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Validation of the Vancouver Symptom Score Questionnaire for bladder and bowel dysfunction for Brazilian children and adolescents
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Pinto, Fernanda Nunes Coelho Siqueira

; de Bessa Junior, José

; Bastos Netto, José Murillo

; Dias, Gláucia Cristina Medeiros

; Vasconcelos, Mônica Maria de Almeida

; Lima, Eleonora Moreira

; Almeida, Tailly de Souza

; Silva, Ana Cristina Simões e

; Mrad, Flávia Cristina de Carvalho

International braz j urol

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feb 2023, Volume 49 N. 1 Pages 110 - 122

Abstract: En | Text: En | PDF: En

ABSTRACT Objective: This study aimed to translate, and perform a cross-cultural adaptation, and validation of the Vancouver Symptom Score (VSS) for bladder and bowel dysfunction (BBD) for Brazilian children and adolescents Materials and Methods: Six steps were performed for the translation and cross-cultural adaptation: (1) translation, (2) synthesis of translations, (3) back-translation, (4) pre-final version of the translated instrument, (5) pilot test and degree of comprehensibility and (6) elaboration of the Brazilian version of the VSS. For validation, the Brazilian Dysfunctional Voiding Score (DVSS) questionnaire was used. Results: Validation was performed on a sample of 107 children and adolescents with a mean age of 9.2 ± 2.84 years, presenting BBD and 107 without BBD (control group-CG). There was a positive correlation (r = 0.91, 95% CI 0.88 to 0.93, p < 0.0001) between total VSS score and total DVSS score. VSS was higher in patients with BBD (p < 0.0001). The internal consistency estimated by Cronbach's alpha was 0.87 for patients with BBD. The VSS showed excellent diagnostic accuracy in detecting cases, with an area under the ROC curve of 98% (95% CI 0.96 to 0.99, p < 0.001). A cut-off value of >11 points produced a sensitivity of 100% (95% CI 96.4% to 100%) and a specificity of 91.8% (95% CI 85.1% to 95.6%). Conclusion: The translated, cross-culturally adapted, and validated VSS for the Brazilian population is a reliable and valid tool to identify symptoms of BBD in children and adolescents aged five to 16 years, whose first language is Brazilian Portuguese.

https://doi.org/10.1590/s1677-5538.ibju.2022.0495

Relationship between primary monosymptomatic enuresis and process toilet training: a case-control
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Carvalho, Tânia Antunes

; Vasconcelos, Mônica Maria de Almeida

; Bessa Junior, José de

; Bastos Netto, José Murillo

; Dutra, Melissa Faria

; Guimarães, Isabela Cristina de Oliveira

; Lima, Eleonora Moreira

; Silva, Ana Cristina Simões e

; Mrad, Flávia Cristina de Carvalho

International braz j urol

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dec 2022, Volume 48 N. 6 Pages 944 - 951

Abstract: En | Text: En | PDF: En

ABSTRACT Objective: Primary monosymptomatic nocturnal enuresis (PMNE) is a prevalent condition in childhood, and the pathophysiology is multifactorial. This study investigated the relationship between the toilet training process (TT) and PMNE in children and adolescents. Patients and Methods: A case-control study was carried out from 2015 to 2020. The presence of PMNE was identified according to International Children's Continence Society criteria. A semi-structured questionnaire was applied to assess TT. Results: The study included 103 children and adolescents with PMNE and 269 participants with normal psychomotor development without PMNE (control group [CG]). Readiness signals were more remembered and less frequent in participants with PMNE (p=0.001) when compared to control group. No differences were found between the groups regarding the onset age of the daytime TT (p= 0.10), the nocturnal TT (p=0.08), the acquisition of daytime continence (p=0.06), and the type of equipment used for the TT (p=0.99). The use of Child-Oriented approach in group of children with enuresis was lower than in controls [87.4% (90/103) versus 94% (250/266)], respectively (OR= 0.44, 95% CI 0.21-0.94, p = 0.039). Conclusions: The age of onset of TT, acquisition of daytime continence, and the type of equipment were not associated with higher occurrence of PMNE. On the other hand, the Child-Oriented approach was a protective factor for the occurrence of PMNE.

https://doi.org/10.1590/s1677-5538.ibju.2022.0381

Métodos para avaliação da efetividade de vacinas para COVID-19 com ênfase em abordagens quase-experimentais
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Pescarini, Julia Moreira

; Teixeira, Camila Silveira Silva

; Cruz, Enny Paixão

; Ortelan, Naia

; Pinto, Priscila Fernanda Porto Scaff

; Ferreira, Andrêa Jacqueline Fortes

; Alves, Flavia Jôse Oliveira

; Pinto Junior, Elzo Pereira

; Falcão, Ila Rocha

; Rocha, Aline dos Santos

; Silva, Nivea Bispo da

; Ortiz, Renzo Flores

; Saavedra, Ramon da Costa

; Oliveira, Vinicius de Araújo

; Ribeiro-Silva, Rita de Cássia

; Ichihara, Maria Yury Travassos

; Boaventura, Viviane

; Barral Netto, Manoel

; Kerr, Ligia Regina Franco Sansigolo

; Werneck, Guilherme Loureiro

; Barreto, Mauricio L.

Ciência & Saúde Coletiva

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nov 2021, Volume 26 N. 11 Pages 5599 - 5614

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo A avalição da efetividade de vacinas é feita com dados do mundo real e é essencial para monitorar o desempenho dos programas de vacinação ao longo do tempo bem como frente a novas variantes. Até o momento, a avaliação da efetividade das vacinas para COVID-19 tem sido baseada em métodos clássicos como estudos de coorte e caso controle teste-negativo, que muitas vezes podem não permitir o adequado controle dos vieses intrínsecos da alocação das campanhas de vacinação. O objetivo dessa revisão foi discutir os desenhos de estudo disponíveis para avaliação de efetividade das vacinas, enfatizando os estudos quase-experimentais, que buscam mimetizar os estudos aleatorizados ao introduzir um componente exógeno para atribuição ao tratamento, bem como suas vantagens, limitações e aplicabilidade no contexto dos dados brasileiros. O emprego de métodos quase-experimentais, incluindo as séries temporais interrompidas, o método de diferença em diferenças, escore de propensão, variáveis instrumentais e regressão descontínua, são relevantes pela possibilidade de gerar estimativas mais acuradas da efetividade de vacinas para COVID-19 em cenários como o brasileiro, que se caracteriza pelo uso de várias vacinas, com respectivos número e intervalos entre doses, aplicadas em diferentes faixas etárias e em diferentes momentos da pandemia.

Abstract The evaluation of vaccine effectiveness is conducted with real-world data. They are essential to monitor the performance of vaccination programmes over time, and in the context of the emergence of new variants. Until now, the effectiveness of COVID-19 vaccines has been assessed based on classic methods, such as cohort and test-negative case-control studies, which may often not allow for adequate control of inherent biases in the assignment of vaccination campaigns. The aim of this review was to discuss the study designs available to evaluate vaccine effectiveness, highlighting quasi-experimental studies, which seek to mimic randomized trials, by introducing an exogenous component to allocate to treatment, in addition to the advantages, limitations, and applicability in the context of Brazilian data. The use of quasi-experimental approaches, such as interrupted time series, difference-in-differences, propensity scores, instrumental variables, and regression discontinuity design, are relevant due to the possibility of providing more accurate estimates of COVID-19 vaccine effectiveness. This is especially important in scenarios such as the Brazilian, which characterized by the use of various vaccines, with the respective numbers and intervals between doses, applied to different age groups, and introduced at different times during the pandemic.

https://doi.org/10.1590/1413-812320212611.18622021 1 downloads

Association between Attention Deficit Hyperactivity Disorder and lower urinary tract symptoms in children and adolescents in a community setting
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Vasconcelos, Mônica Maria de Almeida

; Bastos Netto, José Murillo

; Arana, Isaac Eduardo

; Teixeira, Isabela Benevenuto

; Lima, Eleonora Moreira

; Carvalho, Tânia Antunes

; Bessa Junior, José de

; Mrad, Flávia Cristina de Carvalho

International braz j urol

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oct 2021, Volume 47 N. 5 Pages 969 - 978

Abstract: En | Text: En | PDF: En

ABSTRACT Introduction: The present study aims to investigate the prevalence of lower tract urinary symptoms (LUTS) and symptoms of attention-deficit/hyperactivity disorder (ADHD) in children and adolescents and their association in a community setting using validated scoring instruments. Materials and Methods: A cross-sectional study was carried out from February 2015 to December 2019, during which the parents or guardians of 431 children and adolescents from 5 to 13 years of age, attending a general pediatric outpatient clinic were interviewed. Results: The prevalence of ADHD symptoms and LUTS were 19.9% and 17.9%, respectively. Of the 82 children and adolescents with ADHD, 28% (23) had LUTS (OR 2.31, 95% CI 1.28 to 3.75, p=0.008). Mean total DVSS score in children in the group of children presenting ADHD symptom was significantly higher than those without ADHD symptom (10.2±4.85 vs. 4.9±2.95, p=0.002). Urgency prevailed among LUTS as the most frequent symptom reported by patients with ADHD symptoms (p=0.004). Analyzing all subscales of the DVSS, the items “When your child wants to pee, can't he wait? “Your child holds the pee by crossing his legs, crouching or dancing?” were higher in those with ADHD symptoms (p=0.01 and 0.02, respectively). Functional constipation was present in 36.4% of children with LUTS and 20.7% without LUTS (OR 4.3 95% CI 1-5.3 p=0.001). Conclusion: Children and adolescents with ADHD symptoms are 2.3 times more likely to have LUTS. The combined type of ADHD was the most prevalent among them.

https://doi.org/10.1590/s1677-5538.ibju.2020.0978 177 downloads

Métodos para avaliação da efetividade de vacinas para COVID-19 com ênfase em abordagens quase-experimentais
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Pescarini, Julia Moreira

; Teixeira, Camila Silveira Silva

; Cruz, Enny Paixão

; Ortelan, Naia

; Pinto, Priscila Fernanda Porto Scaff

; Ferreira, Andrêa Jacqueline Fortes

; Alves, Flavia Jôse Oliveira

; Pinto Junior, Elzo Pereira

; Falcão, Ila Rocha

; Rocha, Aline dos Santos

; Silva, Nivea Bispo da

; Ortiz, Renzo Flores

; Saavedra, Ramon da Costa

; Oliveira, Vinicius de Araújo

; Ribeiro-Silva, Rita de Cássia

; Ichihara, Maria Yury Travassos

; Boaventura, Viviane

; Barral Netto, Manoel

; Kerr, Ligia Regina Franco Sansigolo

; Werneck, Guilherme Loureiro

; Barreto, Mauricio L.

Ciência & Saúde Coletiva

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2021, Volume 26 N. 11 Pages 5599 - 5614

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.1590/1413-812320212611.18622021

Medidas de distanciamento social no controle da pandemia de COVID-19: potenciais impactos e desafios no Brasil
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Aquino, Estela M. L.

; Silveira, Ismael Henrique

; Pescarini, Julia Moreira

; Aquino, Rosana

; Souza-Filho, Jaime Almeida de

; Rocha, Aline dos Santos

; Ferreira, Andrea

; Victor, Audêncio

; Teixeira, Camila

; Machado, Daiane Borges

; Paixão, Enny

; Alves, Flávia Jôse Oliveira

; Pilecco, Flávia

; Menezes, Greice

; Gabrielli, Ligia

; Leite, Luciana

; Almeida, Maria da Conceição Chagas de

; Ortelan, Naiá

; Fernandes, Qeren Hapuk R. Ferreira

; Ortiz, Renzo Joel Flores

; Palmeira, Raquel Nunes

; Pinto Junior, Elzo Pereira

; Aragão, Erika

; Souza, Luis Eugenio Portela Fernandes de

; Barral Netto, Manoel

; Teixeira, Maria Glória

; Barreto, Mauricio Lima

; Ichihara, Maria Yury

; Lima, Raíza Tourinho dos Reis Silva

Ciência & Saúde Coletiva

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jun 2020, Volume 25 Suppl. 1 Pages 2423 - 2446

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo A pandemia de COVID-19 tem desafiado pesquisadores e gestores a encontrar medidas de saúde pública que evitem o colapso dos sistemas de saúde e reduzam os óbitos. Esta revisão narrativa buscou sistematizar as evidências sobre o impacto das medidas de distanciamento social na epidemia de COVID-19 e discutir sua implementação no Brasil. Foram triados artigos sobre o efeito do distanciamento social na COVID-19 no PubMed, medRXiv e bioRvix, e analisados atos do poder público nos níveis federal e estadual para sumarizar as estratégias implementadas no Brasil. Os achados sugerem que o distanciamento social adotado por população é efetivo, especialmente quando combinado ao isolamento de casos e à quarentena dos contatos. Recomenda-se a implementação de medidas de distanciamento social e de políticas de proteção social para garantir a sustentabilidade dessas medidas. Para o controle da COVID-19 no Brasil, é imprescindível que essas medidas estejam aliadas ao fortalecimento do sistema de vigilância nos três níveis do SUS, que inclui a avaliação e uso de indicadores adicionais para monitorar a evolução da pandemia e o efeito das medidas de controle, a ampliação da capacidade de testagem, e divulgação ampla e transparente das notificações e de testagem desagregadas.

Abstract The COVID-19 pandemic has challenged researchers and policy makers to identify public safety measures forpreventing the collapse of healthcare systems and reducingdeaths. This narrative review summarizes the available evidence on the impact of social distancing measures on the epidemic and discusses the implementation of these measures in Brazil. Articles on the effect of social distancing on COVID-19 were selected from the PubMed, medRXiv and bioRvix databases. Federal and state legislation was analyzed to summarize the strategies implemented in Brazil. Social distancing measures adopted by the population appear effective, particularly when implemented in conjunction with the isolation of cases and quarantining of contacts. Therefore, social distancing measures, and social protection policies to guarantee the sustainability of these measures, should be implemented. To control COVID-19 in Brazil, it is also crucial that epidemiological monitoring is strengthened at all three levels of the Brazilian National Health System (SUS). This includes evaluating and usingsupplementary indicators to monitor the progression of the pandemic and the effect of the control measures, increasing testing capacity, and making disaggregated notificationsand testing resultstransparentand broadly available.

https://doi.org/10.1590/1413-81232020256.1.10502020 73073 downloads

Medidas de distanciamento social no controle da pandemia de COVID-19: potenciais impactos e desafios no Brasil
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Aquino, Estela M. L.

; Silveira, Ismael Henrique

; Pescarini, Julia Moreira

; Aquino, Rosana

; Souza-Filho, Jaime Almeida de

; Rocha, Aline dos Santos

; Ferreira, Andrea

; Victor, Audêncio

; Teixeira, Camila

; Machado, Daiane Borges

; Paixão, Enny

; Alves, Flávia Jôse Oliveira

; Pilecco, Flávia

; Menezes, Greice

; Gabrielli, Ligia

; Leite, Luciana

; Almeida, Maria da Conceição Chagas de

; Ortelan, Naiá

; Fernandes, Qeren Hapuk R. Ferreira

; Ortiz, Renzo Joel Flores

; Palmeira, Raquel Nunes

; Pinto Junior, Elzo Pereira

; Aragão, Erika

; Souza, Luis Eugenio Portela Fernandes de

; Barral Netto, Manoel

; Teixeira, Maria Glória

; Barreto, Mauricio Lima

; Ichihara, Maria Yury

; Lima, Raíza Tourinho dos Reis Silva

Ciência & Saúde Coletiva

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2020, Volume 25 Suppl. 1 Pages 2423 - 2446

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.1590/1413-81232020256.1.10502020

Antioxidant capacity of amaranth products: effects of thermal and enzymatic treatments
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Pazinatto, Caroline

; Malta, Luciana Gomes

; Pastore, Gláucia Maria

; Maria Netto, Flavia

Food Science and Technology

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sep 2013, Volume 33 N. 3 Pages 485 - 493

Abstract: En | Text: En | PDF: En

The effect of different process -defatting, protein concentration, thermal treatment, hydrolysis with Alcalase and in vitro digestion- on the antioxidant capacity of amaranth seeds was studied. The antioxidant capacity of the products was determined in methanolic and aqueous extracts and varied from 1.00 to 21.22 and 4.97 to 369.18 µ mol TE/g sample for DPPH and ORAC assays, respectively. The combination of protein concentration and hydrolysis with Alcalase led to products with higher antioxidant activity. However, after in vitro digestion, protein concentrate and its hydrolysate showed similar antioxidant capacity. A high correlation was observed between the antioxidant capacity and the total phenolic content for methanolic extracts, with r² values ranging from 0.6133 to 0.9352.

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In search of a tolerance-induction strategy for cow's milk allergies: significant reduction of beta-lactoglobulin allergenicity via transglutaminase/cysteine polymerization
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Olivier, Celso Eduardo

; Lima, Regiane Patussi dos Santos

; Pinto, Daiana Guedes

; Santos, Raquel Acacia Pereira Goncalves dos

; Silva, Grayce Katlen Moreno da

; Lorena, Sônia Letícia Silva

; Villas-Boas, Mariana Battaglin

; Netto, Flávia Maria

; Zollner, Ricardo de Lima

Clinics

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oct 2012, Volume 67 N. 10 Pages 1171 - 1179

Abstract: En | Text: En | PDF: En

OBJECTIVE: To explore the use of β-lactoglobulin polymerized using microbial transglutaminase and heating to identify whether protein polymerization could reduce in vivo allergenicity and maintain in vitro and ex vivo immunoreactivity for use in tolerance-induction protocols. METHODS: Based on previous protocols applied in mice and children, we performed in vivo challenges (using a skin prick test) with native and polymerized β-lactoglobulin in adult patients with an IgE-mediated allergy to plactoglobulin. In vitro humoral immunoreactivity was analyzed using immunoblotting. Cell-mediated immunoreactivity was analyzed using ex vivo challenges with native and polymerized β-lactoglobulin and monitored by leukocyte adherence inhibition tests. RESULTS: The skin tests demonstrated that there was a significant reduction in immediate cutaneous reactivity after polymerization. Polymerization did not decrease the immunoblotting detection of s-IgE specific to β-lactoglobulin. Cell-mediated immunoreactivity, as assessed by ex vivo challenges and leukocyte adherence inhibition tests, did not exhibit significant differences between leukocytes challenged with native versus polymerized β-lactoglobulin. CONCLUSIONS: The polymerization of β-lactoglobulin decreased in vivo allergenicity and did not decrease in vitro humoral or ex vivo cell-mediated immunoreactivity. Therefore, we conclude that inducing polymerization using transglutaminase represents a promising technique to produce suitable molecules for the purpose of designing oral/ sublingual tolerance induction protocols for the treatment of allergies.

https://doi.org/10.6061/clinics/2012(10)09 2800 downloads

10.

Elaboration of sausage using minced fish of Nile tilapia filleting waste
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Oliveira Filho, Paulo Roberto Campagnoli de

; Maria Netto, Flavia

; Ramos, Kazumi Kawazaki

; Trindade, Marco Antônio

; Viegas, Elisabete Maria Macedo

Brazilian Archives of Biology and Technology

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dec 2010, Volume 53 N. 6 Pages 1383 - 1391

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo deste estudo foi avaliar a inclusão de carne mecanicamente separada (CMS) (0, 20, 40, 60, 80 e 100%), obtido de resíduos de filetagem de tilápias do Nilo, em salsichas e determinar suas propriedades físico-químicas, nutricionais e sensoriais. As salsichas apresentaram diminuição de proteína e aumento de lipídeos com a inclusão de CMS. A qualidade nutricional dos produtos foi alta, com digestibilidade acima de 85%. Os parâmetros de textura e cor instrumental amarela (b*) diminuíram com inclusão crescente de CMS. A avaliação sensorial da cor mostrou que o nível máximo de inclusão de CMS não foi bem aceito pelos provadores. As salsichas com melhor aceitação do atributo sabor foram aquelas com 60% de CMS. Os resultados demonstraram a boa qualidade nutricional das salsichas utilizando CMS de resíduos de filetagem de tilápias do Nilo e de acordo com avaliação sensorial, a porcentagem máxima de inclusão é de 60%.

The objective of this study was to evaluate the inclusion of minced fish (MF) (0, 20, 40, 60, 80 and 100%), obtained from Nile tilapia filleting waste, in sausage and determine their physicochemical, nutritional and sensory properties. The sausages showed a decrease in protein and increase in fat content with increasing inclusion of MF. The nutritional quality of the products was high, with digestibility over 85%. The parameters of texture instrumental and yellow color (b*) decreased with the increasing inclusion of MF. The sensory evaluation of the color showed that the maximum level of inclusion of MF was not well accepted by the panelists. The sausage with the best acceptance for the flavor attribute was those with 60% of MF. The results showed good nutritional quality of sausages utilizing MF of Nile tilapia filleting waste and according to the sensory evaluation, the maximum level of inclusion should not exceed 60%.

5795 downloads

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Efeito da concentração de enzima e de substrato no grau de hidrólise e nas propriedades funcionais de hidrolisados proteicos de corvina (Micropogonias furnieri)
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Centenaro, Graciela Salete

; Prentice-Hernández, Carlos

; Salas-Mellado, Myriam

; Netto, Flavia Maria

Química Nova

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2009, Volume 32 N. 7 Pages 1792 - 1798

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

The objective of this work was to obtain hydrolysates with different degrees of hydrolysis using Alcalase 2.4L® and to evaluate the effect of the enzyme [E] and substrate [S] concentration on the functional properties of the hydrolysates. It was obtained hydrolysates with hydrolysis degree values ranging from 12.2 to 43.7%. The values of solubility and water holding capacity were similar for the greater number of the hydrolysates with minimum values in the pH 5.0. The hydrolysis degree showed direct relationship with the solubility and indirect with the water holding capacity, oil holding capacity, emulsifying capacity and foaming capacity.

4642 downloads Cited 1 time in SciELO

12.

Caracterização da fração protéica da cianobactéria Aphanothece Microscopica Nägeli cultivada no efluente da parboilização do arroz
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Jacob-Lopes, Eduardo

; Zepka, Leila Queiroz

; Queiroz, Maria Isabel

; Netto, Flavia Maria

Food Science and Technology

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jun 2006, Volume 26 N. 2 Pages 482 - 488

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo do presente trabalho foi avaliar a fração protéica da cianobactéria Aphanothece microscopica Nägeli cultivada no efluente da parboilização do arroz quando submetida a diferentes condições de secagem. A produção da biomassa foi realizada a partir da água residuária do processo de parboilização do arroz em bioreatores de coluna de bolhas. A biomassa foi separada do efluente por centrifugação e desidratada em secador descontínuo de bandejas nas condições de 40, 50 e 60ºC e espessuras de bandejas de 5 e 7 mm. O comportamento eletroforético das proteínas da biomassa foi analisado por eletroforese em gel de poliacrilamamida na presença de dodecil sulfato de sódio (SDS-PAGE) e apresentou bandas com peso molecular de 15 kDa a 62,5 kDa. O perfil aminoacídico mostrou teores superiores aos recomendados pelo padrão FAO, com exceção dos aminoácidos lisina e dos sulfurados (MET+CYS). A caracterização funcional, expressa em termos de solubilidade e capacidade emulsificante, demonstrou a influência da condição de secagem na funcionalidade protéica da biomassa.

The objective of the present work was to evaluate the protein fraction of Aphanothece microscopica Nägeli cyanobacteria cultivated in the parboiled rice effluent, submitted to different drying conditions. The production of the biomass was done by using wastewater from the process of rice parboiling in a bubble column bioreactor. The biomass was separated from the effluent by centrifugation and dehydrated in a tray dryer at 40, 50 and 60ºC and thicknesses of 5 and 7 mm. The eletroforetic profile of proteins of the biomass was analysed by SDS-PAGE and presented bands with molecular weight between 62.5-15kDa. The amino acid profile was higher than the concentrations recommended by standard FAO, with the exception of the amino acids (LYS) and the sulphurated (MET+CYS). The functional properties characterisation in terms of protein solubility and emulsification capacity demonstrated the influence of the drying condition in the protein functionality of the biomass.

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Caracterização química parcial da semente de jatobá-do-cerrado (Hymenaea stigonocarpa Mart.)
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- SciELO Analytics

Matuda, Tatiana G.

; Maria Netto, Flavia

Food Science and Technology

Journal Metrics
- Sobre o periódico
- SciELO Analytics

jun 2005, Volume 25 N. 2 Pages 353 - 357

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Este trabalho teve como objetivo a caracterização química parcial da semente de jatobá-do-cerrado (Hymenaea stigonocarpa Mart.), a fim de avaliar o potencial de aproveitamento desta espécie e contribuir para a preservação de espécies nativas do cerrado, através da valorização de seus recursos naturais. A semente apresentou alto teor de fibras (85,31%), 9,05% de proteínas e 5,30% de lipídios (base seca). A análise de aminoácidos mostrou que a proteína, como outras leguminosas, tem os aminoácidos sulfurados e a treonina como aminoácidos limitantes. A fração lipídica apresentou 75% de ácidos graxos insaturados, sendo o ácido linoléico dominante (46,9%). Dentre os fatores antinutricionais estudados, os compostos fenólicos, com 48mg/g de farinha de jatobá desengordurada (base seca), mostraram teor acima do encontrado em outras leguminosas. A semente de jatobá mostrou-se pobre em macronutrinentes quando comparada a leguminosas utilizadas na alimentação, mas o alto teor de fibras, possivelmente constituídas de xiloglucanas e galactomananas, pode levar ao aproveitamento rentável destas sementes.

The objective of this work was the partial chemical characterization of the jatobá-do-cerrado (Hymenaea stigonocarpa Mart.) seed in order to evaluate the potential value as a food and/or feed source and to contribute to the preservation of Brazilian native species from "cerrado" through valorization of its natural resources. Jatobá-do-cerrado seeds had a high crude fiber content (85.31%), 9.05% of crude protein and 5.30% of total lipids (dry basis). Amino acids analysis showed that protein was deficient in sulfur amino acids and treonin and high in other essential amino acids. Lipid fraction showed 75% of unsaturated fatty acid and linoleic acid was dominant (46.9%). Amongst the studied antinutritional factors, total phenolics (48mg/Êg of defatted flour, dry basis)) was higher than in other leguminous seeds. However, despite the fact that this seed showed lower macronutrients content than other legume seeds used as human food, the high fiber content, possibly composed of xiloglucanns and galactomananns could lead to an interesting use of these seeds.

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