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KMID : 1134820120410060739
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Journal of the Korean Society of Food Science and Nutrition
2012 Volume.41 No. 6 p.739 ~ p.744
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Antioxidative Components and Activity of Domestic Cirsium japonicum Extract
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Jang Mi-Ran
Hong Eun-Young
Cheong Jae-Hoon
Kim Gun-Hee
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Abstract
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Cirsium japonicum (Gyonggido (GG), Gangwondo (GW), Jeollanamdo (JN) and Jejudo (JJ)) were investigated for their antioxidative components (total polyphenol and flavonoid contents) and their antioxidant activities (2,2-diphenyl-1-picrylhydrazyl) (DPPH), 2,2'-azinobis (3-ethyl-benzothiazoline-6-sulfonic acid) (ABTS), ferric reducing antioxidant power (FRAP) and reducing power). Analysis of antioxidative components and activities showed significant (p<0.05) differences across samples from various regions (GG, GW, JN, JJ). Amounts of total polyphenol and flavonoid contents were in the order of GG?GW>JJ>JN (p<0.05). The results of the antioxidative activity test of Cirsium japonicum showed that GG and GW had higher activities compared to others (p<0.05). Therefore, the results of the antioxidative activity test (DPPH, ABTS, FRAP and reducing power) were correlated with total polyphenol and flavonoid contents values.
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KEYWORD
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Cirsium japonicum, polyphenol, flavonoid, antioxidative activity
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