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KMID : 0613820140240060633
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Journal of Life Science
2014 Volume.24 No. 6 p.633 ~ p.641
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Antioxidant and Antiobesity Activity of Natural Color Resources
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Hwang Cho-Rong
Tak Hyun-Min
Kang Min-Jung
Suh Hwa-Jin
Kwon Oh-Oun
Shin Jung-Hye
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Abstract
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This study investigated the antioxidant and antiobesity activity of extract powders from the following natural color resources: Polygonum indigo, Black locust, Cochineal, Catechu, Grape, Tesu flower, Henna, Chrysanthemum, Sandalwood Red, Himalayan Rhubarb, and Madder. Total phenol content was the highest in Catechu extract, at 348.25 mg/g. DPPH, ABTS radical scavenging activity and ferric reducing antioxidant power (FRAP) were also higher in Catechu extract. Bleaching inhibition activity in the β-carotene linoleic acid system was the highest in Black locust extract, as was α-Glucosidase inhibition activity. α-Amylase inhibition activity was the highest in Catechu extract. Trypsin inhibition activity of Black locust extract was greater than 60%, and α- chymotrypsin inhibition activity of Catechu extract was greater than 40%. Lipase inhibition activity was the highest Black locust extract, at 52.73%. Viability of 3T3-L1 cells was not affected by treatment with extracts at concentrations of 1.25~25 μg/ml. Lipid accumulation in the 3T3-L1 cells was the lowest following treatment with Catechu extract, at 55.8%, and this extract also inhibited adipocyte differentiation. These results suggest that the Catechu and Black locust extracts have high antioxidant and antiobesity activities and can be useful ingredients in functional foods.
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KEYWORD
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Antiobesity, antioxidant activity, lipid accumulation, natural color resource
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