Analysis of Total Phenol, Flavonoid content and Antioxidant Activity of Various Extraction Solvents Extracts from Onion (Allium cepa L.) Peels
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- 2016.04.02
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- 2015.09
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서지정보
ㆍ발행기관 : 한국유화학회
ㆍ수록지정보 : 韓國油化學會誌 / 32권 / 3호
ㆍ저자명 : Yishan Duan, Dong-Hyeok Jin, Han-Soo Kim, Jong-Hwan Seong, Young-Guen Lee, Dong-Seob Kim, Hun-Sik Chung, Seong-Ho Jang
영어 초록
Total phenol contents, total flavonoid contents and antioxidant activity of 70% methanol, 70% ethanol and chloroform-methanol (CM, 2:1, v/v) extracts from onion (Allium cepa L.) peels were studied. The IC50 values of DPPH (2,2-diphenyl-1-picrylhydrazyl) radical and ABTS [2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt] radical scavenging activity in 70% ethanol extract were remained to be lowest followed by 70% methanol extract and CM extract. And the total phenol content (113.56±0.86 mg CAE/g), total flavonoid content (49.63 mg QE/g) and ferric reducing antioxidant power value were also found to be the highest. In contrast, 70% methanol extract possessed the strongest antioxidant activity by β-carotene bleaching assay. CM extract displayed the lowest antioxidant activity compared with other extracts. Onion peels exhibited strong antioxidant activity and abundant phytochemicals, which could be used in a various food products to add phytochemicals and promote good health.
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