Pesquisa | SciELO

Abstract The aim of this study was to characterize the oil obtained from seeds of Campomanesia adamantium by physicochemical quality parameters, oxidative stability, antioxidant activity, quality indexes, optical and thermal stability and its fatty acid profile. These seeds were a relevant source of oil (83 mg g-1) with high potential antioxidant activity (IC50 = 25.32 μg mL-1) evaluated by DPPH (1,1-diphenyl-2-picrylhydrazyl) with induction period above of 50 hours. In addition, palmitic (53%) and oleic (34%) are the primary saturated and monounsaturated fatty acids. This oil showed excellent quality for edible vegetable oil and bioctive compounds. The thermal stability of this oil by thermogravimetric analysis/differential thermogravimetry (TGA/DTG) started at 154 and 231 °C under synthetic air and nitrogen atmospheres, respectively, and by differential scanning calorimetry (DSC) crystallization was onset at 4.94 °C. This study revealed as a novelty that the C. adamantium seeds are an excellent source of oil that presents best qualities, which makes it a great candidate for edible vegetable oil, as well as for production of soap, lotions and biofuel.

ABSTRACT PURPOSE: To perform an integrative review of the main animal disease models in rodents used for obesity. METHODS: Research was conducted in the CAPES Portal database using the following keywords "obesity animal models, diet and rodents", published between the years 2010 to 2016. We found 108 articles, of which 19 were selected and analyzed in full for this study. RESULTS: Larger part of publications occurred in the last 6 years, the rats (n = 10) were used in the same proportion mice (n = 10). The choice of male animals (n = 18) and age greater than 21 days (n = 17) showed a major highlight. The greater than 5 week follow-up period (n = 18) was the most applied. A High Fat Diet was the most used in studies (n = 18) . CONCLUSIONS: Male rodents continue to be considered the species most used in experimental studies to induce obesity, also was found variations of age to the beginning of the experiment. For the most part are follow-up time studies along with the use of High Fat Diet.

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