Flavonoids from Leaves and Exocarps of the Grape Kyoho

  • Park, Hye-Jeong (Department of Biology, College of Advanced Sciences, Dankook University) ;
  • Cha, Hyeon-Cheol (Department of Biology, College of Advanced Sciences, Dankook University)
  • Published : 2003.12.01


We analyzed and compared profiles of flavonols extracted from leaves and exocarps of the grape Kyoho by TLC, HPLC and UV spectrophotometry. In the exocarps, quercetin 3-O-glucoside was the main compound while isorhamnetin 3-O-glycoside (I) was present in minor amounts. In leaves, on the other hand, quercetin 3-O-glucoside and quercetin 3-O-glucoside-7-O-glucronide were the major compounds while isorhamnetin 3-O-glycoside (II) and kaempferol 3, 7-O-diglycoside were present in minor amounts.



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