Content and Composition of Isoflavonoids in Mature or Immature Beans and Bean Sprouts Consumed in Japan
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概要
- 論文の詳細を見る
The content of 9 types of isoflavonoids(daidzein, glycitein, genistein, formononetin, biochanin A, coumestrol, daidzin, glycitin and genistin)in 34 domestic or imported raw beans including soybeans, 7 immature beans and 5 bean sprouts consumed in Japan were systematically analyzed. Each isoflavonoid was analyzed in total after acid hydrolysis to the aglycone, and intact individual isoflavonoids were also analyzed without hydrolysis. After the sample clean up, daidzein, glycitein, genistein, formononetin, biochanin A, daidzin, glycitin and genistin were determined by HPLC with a diode array detector and coumestrol was determined by spectrofluorimetry. The content and composition of isoflavonoids varied greatly between soybean sprouts, immature soybeans and mature beans of the same type but of different source. Isoflavonoid content was highest in mature soybeans. The composition of isoflavonoids differed in each growth stage of soybeans. In other beans, the largest content of isoflavonoids was found in mature chickpeas, but this value was less than 1/27 of the isoflavonoid content in mature soybeans. Thus, the contribution of beans other than soybeans to the daily intake of isoflavonoids in a Japanese diet is negligible.
- 公益社団法人日本薬学会の論文
- 2001-08-01
著者
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Tonogai Yasuhide
Osaka Pharmaceutical Association
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Ishimitsu Susumu
Osaka Branch National Institute Of Health Sciences
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Tonogai Y
Osaka Pharmaceutical Association
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Tonogai Yasuhide
Division Of Food Chemistry National Institute Of Health Sciences
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Nakamura Yumiko
Division of Food Chemistry, National Institute of Health Sciences, Osaka Branch
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Tsumura Yukari
Division of Food Chemistry, National Institute of Health Sciences, Osaka Branch
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Tsumura Yukari
National Institute Of Health Sciences Osaka Branch Division Of Food Chemistry
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Nakamura Y
National Inst. Health Sci. Osaka Jpn
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Kaihara Akiko
National Institute of Health Sciences
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Kaihara Akiko
Division of Food Chemistry, National Institute of Health Sciences
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Yoshii Kimihiko
Division of Food Chemistry, National Institute of Health Sciences
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Ishimitsu Susumu
Division of Food Chemistry, National Institute of Health Sciences
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Yoshii K
Pharmaceutical Affairs Division Department Of Public Health And Welfare Osaka Prefectural Government
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Yoshii Kimihiko
Division Of Drugs Osaka Branch The National Institute Of Health Sciences
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Nakamura Yumiko
Division Of Food Chemistry National Institute Of Health Sciences
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