期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 81, 期 -, 页码 139-146出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2015.11.078
关键词
Antioxidant activity; Yerba mate; Fruits; Hypolipidemic activity
资金
- CNPq
- CAPES
- FAPESC/SC
- MCTI-FINEP
The main objective of this work to evaluate the antioxidant activity of Hex paraguariensis (popularly known as yerba mate) and to perform a biochemical analysis in rats using fruit extracts. Usually, yerba mate is consumed as tea leaves in typical drinks in south Brazil, Argentina and Uruguay. Its fruit has a strong purple color, indicative of the presence of phenolic compounds such as anthocyanins, which have great antioxidant potential. The extract obtained with acidified ethanol afforded the larger amount of anthocyanins (43.79 mg/g), total phenolic (62.25 mg GAE/100 g sample) and provided the best antioxidant activity to catch the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical (IC50 = 3.61 +/- 0.045 mg/ml). The extract was effective in reducing 36% and 42% of total cholesterol and triglycerides serum levels, respectively, as well as on maltase activity, though reduction in blood glucose levels or an increase in glycogen content was not observed. (C) 2015 Elsevier B.V. All rights reserved.
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