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http://dx.doi.org/10.3746/jkfn.2008.37.3.269

Antioxidant Activities and Induction of Apoptosis by Methanol Extracts from Avocado  

Lee, Sung-Gyu (Dept. of Food Science and Technology, Keimyung University)
Yu, Mi-Hee (Dept. of Food Science and Technology, Keimyung University)
Lee, Sam-Pin (Dept. of Food Science and Technology, Keimyung University)
Lee, In-Seon (Dept. of Food Science and Technology, Keimyung University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.37, no.3, 2008 , pp. 269-275 More about this Journal
Abstract
The avocado is a widely grown and consumed fruit that is high in nutrients and low in calories, sodium, and fats. In this study, antioxidant activities and induction of apoptosis by methanol extracts from sarcocarp, seed and peel of avocado were investigated in vitro. Contents of total polyphenols in methanol extracts from sarcocarp, seed and peel were 13.89, 137.12 and $223.45{\mu}g/mg$ respectively. Radical-scavenging activities of the methanol extracts were examined by using ${\alpha},{\alpha}$-diphenyl-${\beta}$-picrylhydrazyl (DPPH) radicals and 2,2'-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) assay. The methanol extracts from the peel of avocado showed higher scavenging activities against DPPH, ABTS than those from sarcocarp and seed. Apoptosis in MDA-MB-231 cells mediated by the methanol extracts of avocado was associated with the increase of activation of caspase-3 and caspase-3 target protein, PARP. Therefore, with more researches on identification and action mechanism of active compounds, the methanol extracts from peel and seed of avocado is expected to be a natural source for the developments of functional food and medical agents to prevent human breast cancer.
Keywords
avocado; peel; seed; antioxidant; apoptosis;
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Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 7
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