Isolation and Measurement of Quercetin Glucosides in Flower Buds of Japanese Butterbur (Petasites japonicus subsp. gigantea Kitam.)(Food & Nutrition Science)
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概要
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Three quercetin glucosides were isolated from flower buds of Japanese butterbur (Petasites japonicus subsp. gigantea Kitam.) together with caffeic acid as the ingredients that had DPPH radical scavenging activity, using the DPPH-HPLC method for measuring the radical scavenging activity. These quercetin glucosides were identified as quercetin 3-O-β-D-glucoside, quercetin 3-O-β-D-6"-O-acetylglucoside, and rutin, and the amounts of the glucosides in flower buds were also examined by HPLC. The flower buds were harvested from four different sites, the total amount of quercetin glucosides in each site was 100-170 mg/100 g fr. wt., and there were no great differences of the amounts between growing fields
- 社団法人日本農芸化学会の論文
- 2002-07-23
著者
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Matsuura Hideyuki
Department Of Bioscience And Chemistry Faculty Of Agriculture Hokkaido University
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Matsuura Hideyuki
Northern Advancement Center For Science & Technology:(present Address)division Of Applied Biosci
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Mizutani J
Hokkaido Univ. Sapporo Jpn
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Mizutani J
Jrdc Plant Ecochemicals Project Eniwa Rbp
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Mizutani Junya
Department Of Applied Bioscience Faculty Of Agriculture Hokkaido University
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Mizutani Junya
Plant Ecochemicals Research Center
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Mizutani Junya
Faculty Of Agriculture Hokkaido University
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Mizutani Junya
Plant Ecochemicals Project Research Development Corporation Of Japan (jrdc)
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AMANO Midori
Northern Advancement Center for Science and Technology, Colabo-Hokkaido
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Amano Midori
Northern Advancement Center For Science & Technology
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Kawabata Jun
Laboratory Of Food Biochemistry Division Of Applied Bioscience Graduate School Of Agriculture Hokkai
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Kawabata Jun
Laboratory Of Food Biochemistry Division Of Applied Bioscience Research School Of Agriculture Hokkai
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Matsuura H
Northern Advancement Center For Science & Technology:(present Address)division Of Applied Biosci
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Mizutani J
Plant Ecochemicals Res. Center Eniwa Jpn
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Mizutani Junya
Jrdc Plant Ecochemicals Project Eniwa Rbp Center Building
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