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KMID : 1098420060140050307
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Korean Journal of Medicinal Crop Science
2006 Volume.14 No. 5 p.307 ~ p.310
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Changes in Total Polyphenol, Total Flavonoid Contents and Antioxidant Activities of Hibiscus cannabin us L.
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Ryu Seung-Won
Jin Cheng-Wu
Lee Han-Shin
Lee Ji-Yeon
Sapkota Kumar
Lee Beom-Goo
Yu Chang-Yeon
Lee Myoung-Ku
Kim Myong-Jo
Cho Dong-Ha
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Abstract
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This study purposed to look for its uses by analyzing useful substances in kenaf (Hibiscus cannabin us L.) leaves based on the total polyphenol and flavonoid contents in the leaves, DPPH radical scavenging activity of leaf extract, SOD activity, etc. by different growth stage and variety. According to the results of experiment, the total polyphenol content was highest in Everglade-41 (27.9 mg/g dw.), the total flavonoid content was highest in Tainung-2 (42.3 mg/g dw.), and SOD activity was highest in Dowling (96.1 %). However, DPPH radical scavenging activity was similar among the three varieties.
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KEYWORD
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kenaf, total polyphenol, total flavonoid, antioxidant activity
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