期刊
FOOD CHEMISTRY
卷 148, 期 -, 页码 24-29出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2013.09.129
关键词
Procyanidins; Peanut skin; Polyphenols; Flavanoids; Hypolipidemia
资金
- North Carolina State appropriation for the Center for Excellence in Post-Harvest Technologies at the North Carolina Research Campus, Kannapolis, NC
Peanut skin is a rich source of polyphenols including procyanidins and is shown to have hypolipidemic properties. This study investigated the bioavailability of peanut skin polyphenols using a rat model. First, the bioavailability of peanut skin polyphenols in rat plasma was evaluated. Our results showed procyanidin A2 levels in plasma peaked within 30 min of ingestion. The results of a second study show that peanut skin extract supplemented in addition to oil gavage resulted in significant decrease in plasma triglyceride and VLDL within 5 h. In the third study, rats were given a Western type diet for 5 weeks with peanut skin extract at a dose of 150 and 300 mg/kg body weight. The main effects observed were lowering of total blood lipid and reduction of the plasma fatty acids profile. Our results suggest that procyanidin A may impart a key role of hypolipidemic effect seen in peanut skin polyphenols. (C) 2013 Elsevier Ltd. All rights reserved.
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