Glucosylation of Caffeic Acid with Bacillus subtilis X-23 α-Amylase and a Description of the Glucosides
スポンサーリンク
概要
- 論文の詳細を見る
Caffeic acid was glucosylated with hydroquinone glucosylating enzyme (HGE) from Bacillus subtilis X-23 in order to improve its characteristics. Caffeic acid glucosides were found to be produced effectively from maltopentaose and caffeic acid in 30% ethanol solution. The glucosides were isolated from the reaction mixture by successive chromatography on DIAION HP-20,Sephadex G-10,and octadecyl sililated silica gel, following which two kinds of glucosides were obtained. The structures of these glucosides were confirmed to be caffeic acid 3-O-α-glucopyranoside and caffeic acid 4-O-α-glucopyranoside by ^1H-NMR and ^<13>C-NMR. The solubility of caffeic acid in water was increased by glucosylation without the loss of any biological activity, such as its antioxidative and antimutagenic properties.
- 社団法人日本生物工学会の論文
- 1995-07-25
著者
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NISHIMURA Takahisa
Biochemical Research Laboratory, Ezaki Glico Co., Ltd.
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Tanimoto H
Ajinomoto Co. Inc. Kawasaki Jpn
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Okada S
School Of Pharmaceutical Sciences University Of Shizuoka
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Kometani T
Biochemical Res. Lab. Ezaki Glico Co. Ltd.
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Kuriki T
Ezaki Glico Co. Ltd. Osaka Jpn
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Kometani Takashi
Biochemical Research Laboratory, Ezaki Glico Co., Ltd.
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Terada Yoshinobu
Biochemical Research Laboratory, Ezaki Glico Co., Ltd.
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Okada Shigetaka
Biochemical Research Laboratory, Ezaki Glico Co., Ltd.
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To-o Kenji
Health Science Laboratory Ezaki Glico
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Kuriki Takashi
Biochemical Research Laboratories Ezaki Glico Co. Ltd.
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Nishimura Takahisa
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Takii H
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Nakae Takashi
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Nishimura T
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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TAKII HIROSHI
Bioechemical Research Laboratory, Ezaki Glico Co. Ltd.
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Kometani Takashi
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Okada Shigetaka
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Terada Y
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Terada Yoshinobu
Biochemical Research Laboratory Ezaki Glico Co. Ltd.
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Terada Yoshinobu
Research Institute For Food Science Kyoto University
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