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Preparation and uses of alpha-glycosyl rutin

Patent: 5145781: Suzuki, Yukio; Suzuki, Kei; Yoneyama, Masaru; Hijiya, Hiromi; Miyake, Toshio
Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo (Okayama, JP)
US Patent Office Abstracts – Sep 8, 1992

Details

Patent:
5145781: Suzuki, Yukio; Suzuki, Kei; Yoneyama, Masaru; Hijiya, Hiromi; Miyake, Toshio
US Patent Office Abstracts – Sep 8, 1992
Patent:
5145781: Suzuki, Yukio; Suzuki, Kei; Yoneyama, Masaru; Hijiya, Hiromi; Miyake, Toshio
US Patent Office Abstracts – Sep 8, 1992
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Preparation and uses of alpha-glycosyl rutin

Abstract

Alpha-glycosyl rutin is formed at a high concentration by allowing a saccharide-transferring enzyme to act on a high-rutin content liquid in suspension or solution to effect saccharide-transfer reaction. The resultant alpha-glycosyl rutin is easily recovered from the reaction mixture by allowing it to contact with a synthetic macroreticular resin. Alpha-glycosyl rutin is superior in water-solubility, resistance to light and stability to intact rutin, as well as having the physiological activities as intact rutin has. Thus, alpha-glycosyl rutin is favorably usable as a yellow coloring agent, antioxidant, stabilizer, fading-preventing agent, quality-improving agent, preventive, remedy, uv-absorbent and deterioration-preventing agent in foods, beverages, tobaccos, cigarettes, feeds, pet foods, pharmaceuticals for susceptive diseases, cosmetics including skin-refining agent and skin-whitening agent, and plastics, in addition to the use in vitamin P-enriching agents.
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