4.sup.G -alpha-D-glucopyranosyl rutin, and its preparation and u

Details 4.sup.G -alpha-D-glucopyranosyl rutin, and its preparation and u 4.sup.G -alpha-D-glucopyranosyl rutin, and its preparation and u

1991-08-15

1992-12-15

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424 49, 424 59, 424 64, 424 70, 424439, 426540, 426541, 426545, 426590, 426635, 426648, 426658, 514827, 514844, 514845, 514846, 514847, 514848, 536 8, 536 181, A61K 600

Patent

active

051715732

ABSTRACT:
A novel glycoside, 4.sup.G -alpha-D-glucopyranosyl rutin, is formed by a saccharide-transferring enzyme and glucoamylase in a solution which contains rutin together with glucoamylase. The 4.sup.G -alpha-D-glucopyranosyl rutin formed in such a solution is purified with a synthetic macroreticular resin, and crystallization in an organic solvent yields a complex crystal with the organic solvent. 4.sup.G -Alpha-D-glucopyranosyl rutin exhibits the same molecular absorption coefficient as intact rutin, and is readily water-soluble, substantially tasteless and odorless, and readily hydrolyzable in vivo to exhibit physiological activities inherent to rutin. These render 4.sup.G -alpha-D-glucopyranosyl rutin very useful as a highly-safe, natural yellow coloring agent, antioxidant, stabilizer, quality-improving agent, preventive, remedy, uv-absorbent and deterioration-preventing agent in foods, beverages, tobaccos, cigarets, feeds, pet foods, pharmaceuticals, cosmetics and plastics.

REFERENCES:
Merck Index. (1983) #8164.

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