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KMID : 1098420070150010056
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Korean Journal of Medicinal Crop Science
2007 Volume.15 No. 1 p.56 ~ p.61
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Antioxidant Activity of Momordica charantia L. Extracts
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Park Yeol
Boo Hee-Ock
Park Young-Lan
Cho Dong-Ha
Lee Hyun-Hwa
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Abstract
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This study was carried out to determine the antioxidant activity and vitamin C contents in plant extracts of the Momordica charantia L. The vitamin C was detected as the highest content in immature fruit (92.2 mg/100 g), while the content in stem (2.5 mg/100 g) was lower 40 times than that of immature fruit. Antioxidant activity for the dried sample was investigated by TBA method. The lowest TBARS values were obtained from extracts of dried leaf and followed by ascorbic acid and BHT, showing that the extracts from dried leaf possess the strongest antioxidant activity. Compared with fresh tissues, SOD activity, ATX activity and CAT activity were high level in the dried tissue. These results suggest that the Momordica charantia L. would be a promising antioxidant source as an alternative antioxidant, based on natural plant resources.
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KEYWORD
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Momordica charantia L., vitamin C, TBA-reactive substance, superoxide dismutase, ascorbic peroxidase, catalase
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