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KMID : 1134820180470080795
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Journal of the Korean Society of Food Science and Nutrition
2018 Volume.47 No. 8 p.795 ~ p.803
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Comparison of Flavonoid Glycosides from Korean and French Wines Using UPLC-DAD-QToF/MS
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Kim Heon-Woong
Lee Min-Ki
Lee Seon-Hye
Kim Yong-Jin
Asamenew Gelila
Yoon Brett
Yoo Seon-Mi
Kim Jung-Bong
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Abstract
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Chemical information about 41 individual flavonoids was constructed from grapes and wines based on literature sources and analytical data. A total of 19 flavonoid glycosides, including myricetin 3-O-glucoside (isomyricetrin), quercetin 3-O-glucuronide, myricetin, and quercetin as major flavonols, were identified from the four Korean and four French wines using UPLC-DAD-QToF/MS on the basis of the constructed library. Among these, quercetin 3,7-di-O-glucoside (m/z 627, [M+H]+), quercetin 3-O-(2"-O-acetyl)glucoside (m/z 507, [M+H]+), and quercetin 3-O-glucuronic acid methyl ester (m/z 493, [M+H]+) were newly confirmed from the wine samples. In white wines, only quercetin was detected, and French red wines (55.2∼92.1 mg/L) showed a higher flavonoid content than Korean red wines (11.7∼52.6 mg/L).
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KEYWORD
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wine, grape, flavonoid, UPLC-DAD-QToF/MS
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