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Simplified acute physiology score II and Mannheim peritonitis index are associated with in-hospital mortality in patients with abdominal sepsis admitted to ICU
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Sánchez-Díaz, Jesús S.
; Escarraman-Martínez, Diego
; Guerrero-Gutiérrez, Manuel A.
; Meza-Comparán, Héctor D.
; Mancilla-Galindo, Javier
; Peniche-Moguel, Karla G.
; González-Escudero, Eduardo A.
; Carpio-Orantes, Luis del
; Monares-Zepeda, Enrique
; Perez-Nieto, Orlando R.
; Zamarrón-López, Eder I.
; Deloya-Tomas, Ernesto
; Calyeca-Sanchez, Verónica
; Kammar-García, Ashuin
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Resumen Objetivo: Evaluar la asociación e interacción de los parámetros de laboratorio, SAPSII, MSI y MPI con la mortalidad intrahospitalaria. Materiales y métodos: Nosotros realizamos un estudio de casos y controles de pacientes adultos con sepsis abdominal desde mayo 2015 a mayo 2020. Recolectamos las características basales, parámetros de laboratorio, SAPSII, MSI y MPI al ingreso. Se aplicó un Análisis de Componentes Principales. El riesgo de mortalidad intrahospitalaria se determinó mediante modelos de regresión logística. Resultados: Identificamos 127 pacientes, 60 de los cuales se incluyeron. Los no supervivientes (48,4%) tuvieron mayor frecuencia de HAS, lactato y MPI, y menores niveles de EB y EB aláctico. Se obtuvieron ocho Componentes Principales (PC), siendo PC1 una combinación lineal de pH, AG, cAG, EB aláctico, bicarbonato y EB. MPI (OR = 9.87, IC95%: 3.07-36.61, p = 0.0002), SAPSII (OR = 1.07, IC95%: 1.01-1.14, p = 0.01) y PC1 (OR = 2.13, IC95%: 1.12-4.76, p = 0.04) se asociaron significativamente con la mortalidad en el análisis univariado, mientras que MPI (OR = 10.1, IC95%: 3.03-40.06, p = 0.0003) y SAPSII (OR = 1.07, IC 95%: 1.01-1.14, p = 0.02) permanecieron significativos después del ajuste por edad y sexo. Conclusiones: MPI y SAPSII se asociaron con mortalidad, aunque la interacción de los parámetros de laboratorio no lo hizo.
Abstract Objective: The objective of this study was to assess the association and interaction of laboratory parameters, Simplified Acute Physiology Score II (SAPSII), Modified Shock Index (MSI), and Mannheim Peritonitis Index (MPI) with in-hospital mortality. Material and methods: We conducted a single-center case–control study. Adult patients with abdominal sepsis were included from May 2015 to May 2020. Baseline characteristics, laboratory parameters, SAPSII, MSI, and MPI scores at admission were collected. A principal component (PC) analysis was applied to evaluate variable interactions. In-hospital mortality risk was determined through logistic regression models. Results: One hundred and twenty-seven patients were identified, 60 of which were included for analyses. Non-survivors (48.4%) had a higher frequency of hypertension, lactate and MPI, and lower BE and alactic BE levels. Eight PCs were obtained, PC1 being a linear combination of pH, AG, cAG, alactic BE, bicarbonate, and BE. MPI (OR = 9.87, 95% CI: 3.07-36.61, p = 0.0002), SAPSII (OR = 1.07, 95% CI: 1.01-1.14, p = 0.01), and PC1 (OR = 2.13, 95% CI: 1.12-4.76, p = 0.04) were significantly associated with mortality in univariate analysis, while MPI (OR = 10.1, 95% CI: 3.03-40.06, p = 0.0003) and SAPSII (OR = 1.07, CI95%: 1.01–1.14, p = 0.02) remained significant after adjusting for age and sex. Conclusion: MPI and SAPSII were associated with mortality, although the interaction of laboratory parameters was not.
2.
Perinatal exposure to a high-fat diet alters proopiomelanocortin, neuropeptide Y and dopaminergic receptors gene expression and the food preference in offspring adult rats
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Santos, L. S.
; Matos, R. J. B.
; Cordeiro, G. S.
; Perez, G. S.
; Santo, D. A. E.
; Silva, R. T.
; Gonçalves, M. S.
; Boaventura, G. T.
; Deiró, T. C. B. J.
; Barreto-Medeiros, J. M.
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Resumo A exposição à dieta hiperlipídica pode alterar o controle da ingestão de alimentos, promovendo hiperfagia e obesidade. O objetivo deste estudo foi investigar os efeitos dessa dieta sobre a expressão gênica dos receptores de dopamina (drd1 e drd2), da proopiomelanocortina (pomc) e neuropeptídeo Y (npy), e preferência alimentar em ratos adultos. Ratas Wistar foram alimentadas com uma dieta hiperlipídica ou controle durante a gestação e lactação. Os descendentes foram alocados em grupos: Lactação – Controle (C) e Hiperlipídica (H). Pós-desmame – Controle Controle (CC), descendentes das genitoras do grupo controle e alimentados com dieta controle após o desmame; Controle Hiperlipídica (CH), descendentes das genitoras do grupo controle e alimentados com dieta hiperlipídica após o desmame; Hiperlipídica Controle (HC), descendentes das genitoras do grupo hiperlipídica e alimentados com dieta controle após o desmame; Hiperlipídica Hiperlipídica (HH), descendentes das genitoras do grupo hiperlipídica e alimentados com dieta hiperlipídica após o desmame. Os grupos CH e HH apresentaram maior expressão de drd1 em comparação ao CC. O drd2 de CH e HC apresentou maior expressão gênica que o CC. HH apresentou maior expressão de pomc em comparação com os outros grupos. O HC também apresentou maior expressão de pomc em comparação ao CH. O npy do HH apresentou maior expressão em relação ao CH e HC. HH e HC tiveram uma preferência maior por uma dieta rica em gordura no 102º dia de vida. A dieta hiperlipídica alterou a expressão gênica dos drd1, drd2, pomc e npy e influenciou na preferência alimentar pela dieta hiperlipídica.
Abstract Exposure to the hight-fat diet may alter the control of food intake promoting hyperphagia and obesity. The objective of this study was to investigate the effects of this diet on dopamine receptors (drd1 and drd2), proopiomelanocortin (pomc), neuropeptideY (npy) genes expression, and preference food in adult rats. Wistar female rats were fed a hight-fat or control diet during pregnancy and lactation. The offspring were allocated into groups: Lactation – Control (C) and High-fat (H). Post-weaning – Control Control (CC), offspring of mothers C, fed a control diet after weaning; Control Hight-fat (CH), offspring of mothers C, fed a hight-fat diet after weaning; Hight-fat Control (HC), offspring of mothers H, fed with control diet after weaning; and Hight-fat Hight-fat (HH), offspring of mothers H, fed a H diet after weaning. The groups CH and HH presented greater expression of drd1 in comparison to the CC. The drd2 of CH and HC presented higher gene expression than did CC. HH presented higher pomc expression in comparison to the other groups. HC also presented greater expression in comparison to CH. The npy of HH presented greater expression in relation to CH and HC. HH and HC have had a higher preference for a high-fat diet at 102º life’s day. The high-fat diet altered the gene expression of the drd1, drd2, pomc and npy, and influencing the food preference for high-fat diet.
https://doi.org/10.1590/1519-6984.234855
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3.
Murinometric measurements and retroperitoneal adipose tissue in young rats exposed to the high-fat diet: Is there correlation?
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Macêdo, A. P. A
; Cordeiro, G. S.
; Santos, L. S.
; Santo, D. A. E.
; Perez, G. S.
; Couto, R. D.
; Machado, M. E. P. C.
; Medeiros, J. M. Barreto
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Resumo Objetivo Este estudo teve como objetivo verificar a correlação entre medidas murinométricas e tecido adiposo retroperitoneal em ratos expostos à dieta hiperlipídica. Material e métodos: Foram utilizados ratos Wistar machos adultos, descendentes de mães que consumiram dieta hiperlipídica durante a gestação e lactação e alimentados com a mesma dieta após o desmame. Aos 60 dias de vida, foram medidos o peso corporal, o eixo longitudinal e a circunferência da cintura (CC). O Índice de Massa Corporal (IMC) e o Índice de Lee foram calculados para posterior análise da correlação com a quantidade de tecido adiposo retroperitoneal dissecado no mesmo dia. Para análise dos dados, utilizou-se o teste de correlação de Pearson, considerando significância estatística para p <0.05. Resultados: O peso corporal apresentou uma correlação fraca (r= 0,31; p= 0,38) com o tecido adiposo retroperitoneal. Enquanto o longitudinal correlacionou moderadamente e negativo (r= -0,40; p= 0,25). A circunferência abdominal (r = 0,62; p = 0,05), índice de massa corporal (r= 0,61; p= 0,03) e Lee (r=0,69; p= 0,03) correlacionaram-se moderada e positivamente com o tecido adiposo. Conclusão: Entre as medidas murinométricas, o peso e o eixo longitudinal não foram bons indicadores para representar o acúmulo de tecido adiposo retroperitoneal em ratos. No entanto, o índice de Lee parece ser o melhor indicador murinométrico para diagnosticar o acúmulo de gordura retroperitoneal. O IMC, índice de Lee e CA foram parâmetros murinométricos com maior correlação.
Abstract Aim This study aimed to verify the correlation between murine measurements and retroperitoneal adipose tissue in rats exposed to the high-fat diet. Material and methods: Wistar male adult rats, descendants of mothers who consumed a high-fat diet during pregnancy and lactation and fed the same diet after weaning were used. At 60 days of life, body weight, longitudinal axis and waist circumference (WC) were measured. The Body Mass Index (BMI) and the Lee Index were calculated for a posterior analysis of the correlation with the amount of retroperitoneal adipose tissue dissected on the same day. For analysis of the data, the Pearson correlation test was used, considering statistical significance for p <0.05. Results: Body weight had a weak correlation (r= 0.31; p= 0.38) with retroperitoneal adipose tissue. While the longitudinal correlated moderately and negative (r= -0.40; p= 0.25). Abdominal circumference (r= 0.62; p= 0.05), body mass index (r= 0.61; p= 0.03) and Lee (r= 0.69; p= 0.03) correlated moderately and positively with adipose tissue. Conclusion: Among the measured murine measurements, weight and longitudinal axis were not good indicators to represent accumulation of retroperitoneal adipose tissue in rats. However, Lee's index seems to be the best murine marker to diagnose the accumulation of retroperitoneal fat. BMI, CA and Lee index were murine parameters with higher correlation.
https://doi.org/10.1590/1519-6984.221405
547 downloads
4.
Systemic Lithium Chloride Administration Improves Tooth Extraction Wound Healing in Estrogen-Deficient Rats
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Duarte, Poliana M.
; Miranda, Tamires S.
; Marins, Letícia M.
; Perez, Erick G.
; Copes, Liliana G.
; Tonietto, Cristine B.
; Montalli, Victor A. M.
; Malta, Fernando S.
; Napimoga, Marcelo H.
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Resumo O objetivo deste estudo foi avaliar os efeitos do Cloreto de Lítio (ClLi) na cicatrização de alvéolos de ratas deficientes em estrogênio. Setenta e duas ratas foram alocadas em um dos seguintes grupos: Controle, Ovariectomia e Cloreto de Lítio (150mg/kg/ oralmente a cada 2 dias) + ovarectomia. Os animais receberam ClLi ou água a partir do 14º dia pós-ovariectomia, até a conclusão do experimento. No 21º dia após a ovariectomia, os primeiros molares foram extraídos. As ratas foram sacrificadas nos dias 10, 20 e 30 após extrações. Foram avaliadas a cicatrização óssea (BH), células positivas para TRAP e coloração imuno-histoquímica para OPG, RANKL, BSP, OPN e OCN. O grupo Ovariectomia apresentou BH diminuída em comparação ao grupo LiCl aos 10 dias e a menor BH aos 20 dias (p<0,05). Aos 30 dias, os grupos Ovariectomia e LiCl apresentaram menor BH do que o Controle (p<0,05). O número de células positivas para TRAP foi menor no grupo ClLi em 20 dias e o maior no grupo Ovariectomia em 30 dias (p<0,05). Aos 10 dias de cicatrização, o grupo ClLi demonstrou imunomarcação mais intensa em todos os marcadores testados quando comparado aos outros grupos, enquanto o grupo Ovariectomia apresentou maior expressão de RANKL do que a do controle (p<0,05). O ClLi melhorou a cicatrização óssea em ratos com deficiência de estrogênio, particularmente nas fases iniciais do reparo. No entanto, como os dados sobre os efeitos do cloreto de lítio no tecido ósseo ainda são preliminares, mais estudos relacionados à sua toxicidade e protocolo de administração são necessários antes de sua aplicação na prática clínica.
Abstract The purpose of this investigation was to evaluate the effects of lithium chloride (LiCl) on the socket healing of estrogen-deficient rats. Seventy-two rats were allocated into one of the following groups: Control, Ovariectomy and LiCl (150 mg/kg/2 every other day orally) + Ovariectomy. Animals received LiCl or water from the 14th day post-ovariectomy, until the completion of the experiment. On the 21st day after ovariectomy, the first molars were extracted. Rats were euthanized on the 10th, 20th and 30th days following extractions. Bone healing (BH), TRAP positive cells and immunohistochemical staining for OPG, RANKL, BSP, OPN and OCN were evaluated. The Ovariectomy group presented decreased BH compared to the LiCl group at 10 days, and the lowest BH at 20 days (p<0.05). At 30 days, the Ovariectomy and LiCl-groups presented lower BH than that of the Control (p<0.05). The number of TRAP-stained cells was the lowest in the LiCl group at 20 days and the highest in the Ovariectomy group at 30 days (p<0.05). At 10 days of healing, the LiCl group demonstrated stronger staining for all bone markers when compared to the other groups, while the Ovariectomy group presented higher RANKL expression than that of the Control (p<0.05). LiCl enhanced bone healing in rats with estrogen deficiency, particularly in the initial healing phases. However, as data on the effects of lithium chloride on bone tissue are still preliminary, more studies related to its toxicity and protocol of administration are necessary before its application in clinical practice.
https://doi.org/10.1590/0103-6440202003595
733 downloads
5.
Influence of mother nutrition during pregnancy and/or lactation on offspring food preference in experimental models
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Santos, L. S.
; Cordeiro, G. S.
; Perez, G. S.
; Santo, D. A. E.
; Macêdo, A. P. A.
; Lima, M. S.
; Carneiro, I. B. C.
; Machado, M. E. P. C.
; Deiró, T. C.B. J.
; Barreto-Medeiros, J. M.
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Resumo Introdução O entendimento das associações entre as preferências alimentares e nutrição materna durante a gravidez e lactação poderia colaborar para a compreensão dos mecanismos da obesidade e fornecer informações para prevenir essa infermidade. Objetivo: Identificar estudos que investigaram os efeitos das intervenções nutricionais durante a gravidez e lactação em preferências alimentares dos descendentes. Método: A revisão foi conduzida com busca de artigos nas bases de dados: Scopus, Pubmed, Medline, Lilacs, Scielo e Science Direct. Os critérios de exclusão utilizados: revisões, estudos em humanos, estudos com drogas ou outras substâncias não-alimentares. Resultados: No final da pesquisa nas bases de dados, 176 referências foram encontradas. Depois de usar os critérios de exclusão, lendo os títulos, resumos e artigos completos, 11 artigos foram selecionados para compor a revisão. Conclusão: Os estudos selecionados sugeriram que a nutrição desequilibrada no início da vida altera a preferência alimentar e componentes neurais relacionadas com o consumo de alimentos gordurosos e açucarados em prole de roedores.
Abstract Introduction Understanding associations between food preferences and maternal nutrition during pregnancy and lactation could inform efforts to understanding the obesity mechanisms and provide insight to prevent it. Objective: To identify studies that investigated the effects of nutritional interventions during the pregnancy and lactation on the food preferences of offspring. Method: The review was conducted with search for articles in the databases: Scopus, Pubmed, Medline, LILACS, Scielo and Science Direct. Exclusion criteria were used: reviews, human studies, studies with drugs or other substances not related to food. Results: At the end of the search in the databases, 176 references were found. After use the exclusion criteria, reading the titles, abstracts and full articles, were selected 11 articles to compose the review. Conclusion: The selected studies suggested that unbalanced nutrition in early life alters the food preference and neural components related to the consumption of fatty and sugary foods in offspring rodents.
https://doi.org/10.1590/1519-6984.179134
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6.
Sexto reporte de eventos adversos con tratamientos biológicos en Argentina: Informe del registro BIOBADASAR
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Gómez, G.
; Pons-Estel, G.
; Citera, G.
; Soriano, E.
; Saurit, V.
; Benavidez, F.
; Velozo, E.
; Dubinsky, D.
; Exeni, I.
; Gobi, C.
; Gómez, G.
; Díaz, M.
; Granel, A.
; Smichowsky, A.
; Garate, G.
; Quinteros, A.
; Cavillon, E.
; Petkovic, I.
; Larroude, M.S.
; de la Sota, M.
; Cappuccio, A.M.
; Berbotto, G.
; Alvarez, A.
; Papasidero, S.
; Lazaro, A.
; Garcia, M.
; Sacnun, M.
; Soares de Souza, S.
; Bertoli, A.
; Bejarano, V.
; Rillo, O.
; Kerzberg, E.
; Quintana, R.
; Agüero, S.
; Somma, L.
; Cruzat, V.
; Battaglitti, C.
; Perez Dávila, A.
; Gallardo, M.
; Pereira, D.
; Verando, M.
; Paira, S.
; Martinez, L.
; Aste, N.
; Pisoni, C.
; Catay, E.
; Graf, C.
; Casado, G.
; de la Vega, M.
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Objective: Update the results of the BIOBADASAR registry on safety, duration and causes of treatment interruption after 8 years of follow-up. Methods: BIOBADASAR is a safety record of biological therapies established by the Argentine Society of Rheumatology. The description of BIOBADASAR 3.0 is presented, a cohort of 53 centers in Argentina followed prospectively from August 2010 to January 2018. Results: 4656 patients were registered, 6234 treatments [3765 cases (therapy with biologicals) and 2469 controls (non-biological therapy)]. Treatment was interrupted in 44.6% in cases vs. 27.9% in controls. Main cause of discontinuation was due to inefficiency (40% cases vs. 32% controls). There were 3154 adverse events (2230 in cases vs. 924 in controls), of which 13.6% were tombs (9.8% in cases and 3.7% in controls). The most frequent adverse event (AE) in both groups were infections (43.56% in cases vs. 34.31% in controls, RR: 3.42, 95% CI: 3.02-3.88), and the upper airway pathways (14.5%). Neoplasms were published in 78 cases versus 45 controls (RR: 1.98, 95% CI: 1.37-2.86). Conclusions: In this article, there are no different trends regarding safety, duration and causes of interruption of treatment compared to previous reports. Infections were the main causes of treatment discontinuation. The advent of new biological agents and the need for control over long-term security, strengthens the use of this type of registration.
Objetivo: Actualizar los resultados del registro BIOBADASAR sobre seguridad, duración y causas de interrupción del tratamiento luego de 8 años de seguimiento. Métodos: BIOBADASAR es un registro de seguridad de terapias biológicas establecido por la Sociedad Argentina de Reumatología. Se presenta la descripción de BIOBADASAR 3.0, una cohorte compuesta por 53 centros de Argentina seguidos prospectivamente desde agosto de 2010 hasta enero de 2018. Resultados: Se registraron 4656 pacientes, 6234 tratamientos [3765 casos (terapia con biológicos) y 2469 controles (terapia no biológicos)]. Se interrumpió el tratamiento en el 44,6% en los casos vs. 27,9% en los controles. Causa principal de discontinuación fue por ineficacia (40% casos vs. 32% controles). Se presentaron 3154 eventos adversos (2230 en casos vs. 924 en controles), de los cuales el 13,6% fueron graves (9,8% en casos y 3,7% en controles). El evento adverso (EA) más frecuente en ambos grupos fueron las infecciones (43,56% en casos vs. 34,31% en los controles, RR: 3,42; IC 95%: 3,02-3,88), y de ellas las de vías aéreas superiores (14,5%). Las neoplasias se presentaron en 78 casos vs. 45 en controles (RR: 1,98; IC 95%: 1,37-2,86). Conclusiones: En este sexto reporte no se observan tendencias diferentes sobre seguridad, duración y causas de interrupción del tratamiento respecto a informes previos. Las infecciones fueron el principal EA y la ineficacia, seguido por EA y la pérdida de pacientes las principales causas de suspensión del tratamiento. El advenimiento de nuevos agentes biológicos y la necesidad de control en seguridad a largo plazo, fortalece el uso de este tipo de registro.
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7.
Effects of maternal high fat intake during pregnancy and lactation on total cholesterol and adipose tissue in neonatal rats
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Lima, M. S.
; Perez, G. S.
; Morais, G. L.
; Santos, L. S.
; Cordeiro, G. S.
; Couto, R. D.
; Deiró, T. C. B. J.
; Leandro, C. G.
; Barreto-Medeiros, J. M.
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Resumo Objetivo A obesidade durante a gestação é um dos fatores de risco mais estabelecidos para uma programação negativa em longo prazo. O objetivo do presente estudo foi investigar os efeitos do consumo materno de uma dieta hiperlipídica durante a gestação e lactação no aumento do peso, do tecido adiposo visceral e colesterolemia em ratos neonatos. Métodos Ratos Wistar foram divididos em dois grupos de acordo com a dieta da mãe durante a gestação e lactação: grupo controle (GC, n=12) composto por filhotes de ratas alimentadas com uma dieta padrão (lipídios 4%) e o grupo teste (GT, n=12) composto de filhotes de ratas alimentadas com dieta hiperlipídica (lipídios 23%). O peso dos animais foi aferido em dias alternados até o 22° dia de vida, quando foi coletado sangue para análises bioquímicas. Para a análise estatística utilizou-se os seguintes testes: two way ANOVA, teste de Sidak e teste t de Student, com p< 0,05. Resultados O grupo teste mostrou diferença no ganho de peso, no tecido adiposo visceral e nos níveis de colesterol. Conclusão Uma exposição materna a uma dieta hiperlipídica durante a gestação e lactação pode promover maior ganho ponderal, hipercolesterolemia e um aumento do tecido adiposo em ratos neonatos.
Abstract Aim Obesity during pregnancy is one of the most established risk factors for negative long-term programming. The aim of the present study was to investigate the effects of maternal consumption of a high-fat diet during pregnancy and lactation on the weight gain, visceral adipose tissue and cholesterolemia in neonatal rats. Methods Wistar rats were divided into two groups according to the mother's diet during pregnancy and lactation: Control group (CG, n = 12) were the offspring of rats fed a standard diet (4% lipid) and the Test group (TG, n = 12) were pups rats fed on a high fat diet (23% lipid). The weight of the animals was measured on alternate days until the 22nd day of life, when collected visceral adipose tissue and blood were collected for biochemical analysis. For statistical analysis the Student t test, Sidak´s teste and two way ANOVA was used, with p <0.05. Results the test group showed differences in weight gain, visceral adipose tissue and higher cholesterol. Conclusion a maternal exposure to a high-fat diet during pregnancy and lactation can promote changes in weight gain, hypercholesterolemia and an increase in adipose tissue in neonatal rats.
https://doi.org/10.1590/1519-6984.166788
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8.
Development and characterization of microsatellite markers in Gaultheria pumila Lf. (Ericaceae)
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Garcia-Gonzales, Rolando
; Pico-Mendoza, José
; Quiroz, Karla
; Carrasco, Basilio
; Cáceres, Pablo
; Chong-Perez, Borys
; Pino, Hugo
; Seiltgens, Marjorie
; Greck, Eglis
; Caligari, Peter D. S.
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Abstract Background: Polymorphic microsatellite markers were developed for Gaultheria pumila (Ericaceae) to evaluate genetic diversity and population structure within its native range in Chile. This is a very important Ericaceae endemic to Chile with a large commercial potential. Its resistance to different abiotic conditions makes it a valuable target for genetic improvement. Results: Ten polymorphic simple sequence repeat (SSR) loci were isolated from Gaultheria pumila using new-generation 454 FLX Titanium pyrosequencing technology. The mean number of alleles per locus ranged from 2 to 4. Observed and expected heterozygosity ranged from 0.00 to 1.0 and 0.00 to 0.64, respectively. Conclusions: From 10 SSR markers developed for G. pumila, 9 markers are promising candidates for analyzing genetic variation within or between natural populations of G. pumila and other species from the same genus.
https://doi.org/10.1186/s40659-018-0193-4
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9.
Reproducción del falso vampiro lanudo Chrotopterus auritus (Chiroptera: Phyllostomidae) en un bosque tropical húmedo de la costa pacífica de Guatemala
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Álvarez-Yax, Rocío A.
; Gomez- Lemus, Ana H.
; Hernández-Fuentes, Julia S.
; Juarez-Bolaños, Andrea P.
; Perez-Quan, Katty J.
; Tijerino-Escobar, Donald G.
; Villatoro-Castañeda, Melissa
; Ariano-Sánchez, Daniel
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Abstract: We documented one female Chrotopterus auritus in a lactation state with her calf present in the ventral part of her body. The specimen was captured with a harp trap in a humid tropical forest of the Pacific coast of Guatemala, within private natural reserve Finca Patrocinio, Quetzaltenango, Guatemala on May 29th, 2017. There is little information about this species’ biology, especially within Guatemala, which reflects the importance of further studies on the wild behavior of this species.
Resumen: Documentamos una hembra de Chrotopterus auritus en estado de lactancia con su cría presente en la parte ventral de su cuerpo. El espécimen fue capturado con una trampa de arpa en un bosque tropical húmedo de la costa del Pacífico de Guatemala, dentro de la reserva natural privada Finca Patrocinio, Quetzaltenango, Guatemala el 29 de mayo de 2017. Hay poca información sobre la biología de esta especie, especialmente en Guatemala, lo que refleja la importancia de nuevos estudios sobre el comportamiento silvestre de esta especie.
https://doi.org/10.21829/azm.2018.3411190
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10.
Resistance training and hormone replacement increase MMP-2 activity, quality and quantity of bone in ovariectomized rats
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Souza, Markus V.C
; Lino, Anderson D. S
; Ruffoni, Leandro G. D
; Domingos, Mateus M.
; Barbosa, Marina R.
; Rodrigues, Maria F C.
; Ferreira, Fabiano C.
; Tomaz, Luciane M.
; Canevazzi, Gustavo H. R.
; Silva, Natália S.
; Teixeira, Jeferson A. A.
; Leite, Richard D.
; Shiguemoto, Gilberto E.
; Perez, Sérgio E. A.
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Abstract AIMS The aim of the present study was to investigate the influence of resistance training (RT) and hormone replacement (HR) on MMP-2 activity, biomechanical and physical properties bone of ovariectomized (OVX) rats. METHODS Sprague-Dawley female rats were grouped into six experimental groups (n = 11 per group): sham-operated sedentary (SHAM Sed), ovariectomized sedentary (OVX Sed), sham-operated resistance training (SHAM RT), ovariectomized resistance training (OVX RT), ovariectomized sedentary hormone replacement (OVX Sed-HR), and ovariectomized resistance training hormone replacement (OVX RT-HR). HR groups received implanted silastic capsules with a 5% solution of 17β-estradiol (50 mg 17β-estradiol/ml of sunflower oil). In a 12-week RT period (27 sessions; 4-9 climbs) the animals climbed a 1.1 m vertical ladder with weights attached to their tails. Biomechanical and physical bone analyses were performed using a universal testing machine, and MMP-2 activity analysis was done by zymography. RESULTS Bone density and bone mineral content was higher in the RT and HR groups. The MMP-2 activity was higher in the RT and HR groups. The biomechanical analysis (stiffness, fracture load and maximum load) demonstrated better bone tissue quality in the RT associated with HR. CONCLUSION The RT alone as well as when it is associated with HR was efficient in increasing MMP-2 activity, biomechanical and biophysical properties bone of ovariectomized rats.
https://doi.org/10.1590/s1980-6574201700040003
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11.
PLANT GROWTH-PROMOTING MICROBIAL INOCULANT FOR Schizolobium parahyba pv. parahyba
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Gonçalves, Priscila Jane Romano de Oliveira
; Oliveira, Admilton Gonçalves
; Freitas, Vanessa Fogaça
; Chiari, Nathaly Andreoli
; Navarro, Miguel Perez
; Cely, Martha Torres
; Leal, Alex Carneiro
; Andrade, Galdino
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RESUMOSchizolobium parahyba var. amazonicum (Huber ex Ducke) Barneby (paricá) ocorre naturalmente na Amazônia e tem grande importância comercial devido ao seu rápido crescimento e excelente performance no sistema de silvicultura extensiva. O objetivo deste trabalho foi avaliar a inoculação de inoculantes microbianos como fungo micorrízico arbuscular (FMA) e Rhizobium sp. que promovem o crescimento da planta. O inóculo foi composto de 10 g de raízes colonizadas e esporos de Glomus clarum e, ou, 1 mL da suspensão de células de Rhizobiumsp. (107UFC/mL) e, ou, 100 g de fertilizante químico NPK 20-05-20 por cova. O desenho experimental foi em bloco completamente ao acaso, com cinco repetições e oito tratamentos (n = 800). Foram avaliados o comprimento da Planta, o diâmetro do caule e a sobrevivência da planta. Os resultados foram testados quanto à normalidade e homogeneidade da variância e as diferenças significativas, determinadas pela ANOVA e teste de Tukey (p < 0,05). A inoculação do Rhizobium sp e G. clarum não tiveram diferenças significativas em relação ao crescimento das plantas-controle. Fatores ambientais provavelmente influenciaram a efetividade da simbiose de ambos os microrganismos e o crescimento da planta. O fertilizante aumentou o crescimento de S. parahyba. Durante os primeiros 120 dias, as plantas sofreram condições de estresse com períodos de seca e geada; aos 180 dias, as plantas inoculadas com microrganismos e adubadas tiveram maior crescimento quando comparada com o controle. Os inoculantes tiveram importação em função do controle da mortalidade das plantas durante os períodos de estresse, mas não foi observado efeito no crescimento da planta. Também, concluiu-se que o período de plantio deve ser entre novembro e dezembro, para evitar que as plantas com porte pequeno entrem no período de inverno, que é seco e frio.
ABSTRACTSchizolobium parahyba pv. amazonicum (Huber ex Ducke) Barneby (paricá) occurs naturally in the Amazon and is significant commercial importance due to its rapid growth and excellent performance on cropping systems. The aim of this paper was to evaluate a microbial inoculants such as arbuscular mycorrhiza fungi (AMF) and Rhizobium sp. that promote plant growth. The inocula was 10 g of root colonized and spores of Glomus clarum and/or 1 mL of cell suspension (107 CFU/mL) of Rhizobium sp. and/or 100 g of chemical fertilizer NPK 20-05-20 per planting hole. The experimental design was complete randomized blocks with five replications and eight treatments (n = 800). Plant height, stem diameter and plant survival were measured. The results were tested for normality and homogeneity of variances and analyzed by ANOVA and Tukey test (p < 0.05). Rhizobium sp and AM fungi showed no effect on plant growth. Environmental factors probably influenced the effectiveness of symbiosis of both microorganisms and plant growth. The chemical fertilizer increased S. parahyba growth. During the first 120 days plants suffered with drought and frost, and at 180 days plants inoculated with microorganism plus chemical fertilizer showed higher survival when compared with control. The results showed that the microbial inoculants used showed an important role on plant survival after high stress conditions, but not in plant growth. Also was concluded that the planting time should be between November to December to avoid the presence of young plants during winter time that is dry and cold.
https://doi.org/10.1590/0100-67622015000400008
1713 downloads
12.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
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; Firens, Marcela
; Flores, Andreia S.
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; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
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; Freitas, Joelcio
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; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
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; Goldenberg, Renato
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; Gomes, Mário
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; Gutierrez, Raul
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; Wanderley, Maria G.L.
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Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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13.
Microbiological changes after periodontal therapy in diabetic patients with inadequate metabolic control
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Silva-Boghossian, Carina Maciel
; Orrico, Silvana Regina Perez
; Gonçalves, Daniela
; Correa, Fernanda Oliveira Bello
; Colombo, Ana Paula Vieira
.
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The present study investigated the effect of non-surgical periodontal treatment (SRP) on the composition of the subgingival microbiota of chronic periodontitis (CP) in individuals with type 2 diabetes (DM2) with inadequate metabolic control and in systemically healthy (SH) individuals. Forty individuals (20 DM2 and 20 SH) with CP underwent full-mouth periodontal examination. Subgingival plaque was sampled from 4 deep sites of each individual and tested for mean prevalence and counts of 45 bacterial taxa by the checkerboard method. Clinical and microbiological assessments were performed before and 3 months after SRP. At baseline, those in the DM2 group presented a significantly higher percentage of sites with visible plaque and bleeding on probing compared with those in the SH group (p < 0.01). Those in the DM2 group presented significantly higher levels of C. rectus and P. gingivalis, and lower prevalence of P. micra and S. anginosus, compared with those in the SH group (p ≤ 0.001). At the 3-month visit, both groups showed a significant improvement in all clinical parameters (p < 0.01). Those in the DM2 group showed significantly higher prevalence and/or levels of A. gerencseriae, A. naeslundii I, A. oris, A. odontolyticus, C. sputigena, F. periodonticum, and G. morbillorum compared with those in the SH group (p ≤ 0.001). However, those in the DM2 group showed a significant reduction in the levels of P. intermedia, P. gingivalis, T. forsythia, and T. denticola (p ≤ 0.001) over time. Those in the SRP group showed improved periodontal status and reduced levels of putative periodontal pathogens at 3 months’ evaluation compared with those in the DM2 group with inadequate metabolic control.
https://doi.org/10.1590/1807-3107BOR-2014.vol28.0007
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14.
User satisfaction with the Family Health Program in Vespasiano, Minas Gerais, Brazil
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Mues, Katherine E.
; Resende, Joana C.
; Santos, Otávio C. dos
; Perez, Lilian G.
; Ferreira, José A.
; Leon, Juan S.
.
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Revista Panamericana de Salud Pública
- Métricas do periódico
OBJECTIVE: To assess factors influencing perspectives on Brazil's national Family Health Program (PSF) by exploring satisfaction with PSF units and home-visit community health agents and perceptions about PSF unit accessibility among frequent users (primary caretakers of children under age 5) in Vespasiano, Minas Gerais. METHODS: Data were collected though cross-sectional household surveys to determine pro grammatic and demographic factors affecting user satisfaction with the PSF. Multivariate logistic modeling was used to estimate users' satisfaction with PSF units and agents and perceived access to PSF unit services. Chi-square and analysis of variance (ANOVA) tests were used to estimate statistical differences. RESULTS: The majority of caretakers were satisfied with both their PSF unit and their PSF community health agent and had received at least one monthly home visit from the health agent. Satisfaction with both the health agent and the unit was positively associated with per ceived access to the unit and frequency of agent home visits. Caretakers who reported that their PSF agent made one or more home visits per month were more likely to perceive the PSF unit as being "accessible" (or "sometimes accessible"). CONCLUSIONS: The current data are important indicators of population health in Minas Gerais, Brazil, and suggest that users' satisfaction with the PSF and perceptions about its accessibility can be improved by ensuring that all households receive at least one health agent home visit per month. These results could be applied to other parts of Brazil or Latin America to improve understanding of user perceptions of health systems.
OBJETIVO: Evaluar los factores que influyen en las perspectivas sobre el Programa de Salud Familiar (PSF) del Brasil, mediante el análisis de la satisfacción de los usuarios frecuentes del PSF (cuidadores primarios de niños menores de 5 años) con las unidades y los agentes de salud comunitarios que efectúan las visitas a domicilio, y de la percepción de dichos usuarios respecto de la accesibilidad a la unidad del PSF en Vespasiano, Minas Gerais. MÉTODOS: Se recopilaron datos mediante encuestas transversales de hogares para determinar los factores programáticos y demográficos que afectaban la satisfacción de los usuarios con el PSF. Para estimar la satisfacción de los usuarios con las unidades y los agentes de salud del PSF y su percepción sobre el acceso a los servicios prestados por la unidad del PSF se usó un modelo logístico multifactorial. Para calcular las diferencias estadísticas se usaron las pruebas de ji al cuadrado y análisis de la varianza (ANOVA). RESULTADOS: La mayoría de los cuidadores estuvieron satisfechos tanto con su unidad del PSF como con su agente de salud comunitario del programa, de quien habían recibido al menos una visita a domicilio mensual. La satisfacción con este y con la unidad se asoció positivamente con la percepción de acceso a la unidad y con la frecuencia de las visitas a domicilio del agente. Los cuidadores que informaron que su agente del PSF hizo una o más visitas al domicilio por mes presentaron mayores probabilidades de considerar a la unidad del PSF como "accesible" (o "a veces accesible"). CONCLUSIONES: Los datos actuales son indicadores importantes del estado de salud de la población en Minas Gerais, Brasil, y sugieren que la satisfacción de los usuarios con el PSF y su percepción acerca de la accesibilidad a este pueden mejorarse si se garantiza que todos los hogares reciban al menos una visita a domicilio mensual del agente de salud. Estos resultados podrían aplicarse a otras zonas del Brasil o de América Latina para comprender mejor la percepción de los usuarios sobre los sistemas de salud.
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15.
Supercritical fluid extraction of volatile and non-volatile compounds from Schinus molle L.
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Barroso, M. S. T.
; Villanueva, G.
; Lucas, A. M.
; Perez, G. P.
; Vargas, R. M. F.
; Brun, G. W.
; Cassel, E.
.
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Brazilian Journal of Chemical Engineering
- Métricas do periódico
Schinus molle L., also known as pepper tree, has been reported to have antimicrobial, antifungal, anti-inflammatory, antispasmodic, antipyretic, antitumoural and cicatrizing properties. This work studies supercritical fluid extraction (SFE) to obtain volatile and non-volatile compounds from the aerial parts of Schinus molle L. and the influence of the process on the composition of the extracts. Experiments were performed in a pilot-scale extractor with a capacity of 1 L at pressures of 9, 10, 12, 15 and 20 MPa at 323.15 K. The volatile compounds were obtained by CO2 supercritical extraction with moderate pressure (9 MPa), whereas the non-volatile compounds were extracted at higher pressure (12 to 20 MPa). The analysis of the essential oil was carried out by GC-MS and the main compounds identified were sabinene, limonene, D-germacrene, bicyclogermacrene, and spathulenol. For the non-volatile extracts, the total phenolic content was determined by the Folin-Ciocalteau method. Moreover, one of the goals of this study was to compare the experimental data with the simulated yields predicted by a mathematical model based on mass transfer. The model used requires three adjustable parameters to predict the experimental extraction yield curves.
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