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KMID : 0903620040450030138
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Journal of the Korean Society for Horticultural Science
2004 Volume.45 No. 3 p.138 ~ p.142
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Analysis of Flavonols Extracted from Leaves of Various Grapevine Cultivars by HPLC
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Park Hye-Jeong
Lim Chae-Eun
Park Chong-Wook
Cha Hyeon-Cheol
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Abstract
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Flavonol profiles were analyzed and compared with leaves of four cultivars of grapevines, ‘Muscat Bailey A’, ‘Neo Muscat’, ‘Rizamat’, and ‘Himrod’ by TLC, HPLC, and UV spectrum. Flavonols detected in four cultivars were glycosylated derivatives of the following flavonols; kaempferol, quercetin, and isorhamnetin. Among them, quercetin 3-O-glucoside 7-O-glucuronide was a common flavonol in the four cultivars and identified as a major compound. The others were expressed differently by specific cultivars. These differences imply that composition of flavonols is unique to cultivars of grapevines; therefore, the profiles of flavonols can be used as a chemo-taxonomical model to classify the grapevine cultivars.
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KEYWORD
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isorhamnetin, kaempferol, phenolic compounds, quercetin
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