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Patent Searching and Data


Title:
ALPHA-GLYCOSYL QUERCETIN, ITS PRODUCTION AND USE
Document Type and Number:
Japanese Patent JPH0532690
Kind Code:
A
Abstract:

PURPOSE: To obtain a quercetin derivative free from the short points of quercetin, having excellent water-solubility and capable of sufficiently exhibiting the physiological activity in the body without causing the problem of toxicity.

CONSTITUTION: The objective α-glycosyl quercetin is produced by reacting a sugar transferase to a solution containing (A) α-glycosyl quercetin obtained by bonding more than equimolar amount of D-glucose residue to quercetin, (B) quercetin and (C) an α-glucosyl sugar compound and the produced α-glycosyl quercetin is collected. The α-glycosyl quercetin of the present invention is useful not only as a vitamin P enriching agent having high safety but also as a yellow-coloring agent, antioxidant, deodorant, stabilizer, quality improver, preventive, treating agent, ultraviolet absorber, deterioration preventing agent, etc., and can advantageously used in various compositions such as food, drink, fancy food, feed, bait, agent for sensitive diseases or cosmetics (e.g. skin cosmetic and face powder) by compounding with other raw materials.


Inventors:
YONEYAMA MASARU
IRITANI SATOSHI
MIYAKE TOSHIO
Application Number:
JP1991000208709
Publication Date:
February 09, 1993
Filing Date:
July 26, 1991
Export Citation:
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Assignee:
HAYASHIBARA BIOCHEM LAB
International Classes:
A23L5/42; A23L5/43; A61K8/00; A61K8/49; A61K31/70; A61K31/7042; A61K31/7048; A61P17/00; A61P17/16; A61Q17/04; A61Q19/00; A61Q19/02; C07H17/07; C09K3/00; C09K15/08; C12P19/60; (IPC1-7): A23K1/16; A23L1/275; A61K7/00; A61K7/42; A61K7/48; A61K31/70; C07H17/07; C09K3/00; C09K15/08; C12P19/60