5-0-.alpha.-D-Glucopyranosyl-L-ascorbic acid, and its preparatio

Details 5-0-.alpha.-D-Glucopyranosyl-L-ascorbic acid, and its preparatio 5-0-.alpha.-D-Glucopyranosyl-L-ascorbic acid, and its preparatio

1993-04-30

1993-12-21

Lilling, Herbert J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

424 48, 424 59, 424 62, 426 3, 426 72, 426311, 426541, 426548, 426654, 426658, 435 75, 435 97, 435201, 435202, A61K 3170, A61K 968, A23G 330, C12P 1960

Patent

active

052721361

ABSTRACT:
5-O-.alpha.-D-Glucopyranosyl-L-ascorbic acid is a novel derivative of L-ascorbic acid which has a direct reducing activity and a satisfiable stability, as well as being readily hydrolyzed in vivo to form L-ascorbic acid. The 5-O-.alpha.-D-glucopyranosyl-L-ascorbic acid is prepared by allowing a saccharide-transferring enzyme together with or without .alpha.-glucosidase to a solution containing an a-glucosyl saccharide and L-ascorbic acid, and suitably used in food products, agents of anti-susceptive diseases and cosmetics containing thereof.

REFERENCES:
patent: 3763009 (1973-10-01), Suzuki et al.
patent: 4487198 (1984-12-01), Miyake et al.
patent: 5137723 (1992-08-01), Yamamoto et al.
Nippon Eiyo Shokuryo Gakkaishi, Journal of Japanese Society of Nutrition and Food Science, vol. 43, 1990.
Inst. for Agricultural and Biological Sciences, Okayama Univ., Kurashiki, Japan; Miyake et al.: vol. 43, No. 5; 1971, "Enzymatic Formation of New L-Ascorbic Acid Glycosides".
Inst. for Agricultural and Biological Sciences, Okayama Univ., Kurshiki, Japan, Suzuki et al.; vol. 47, No. 6; 1973; "Biosynthesis of Ascorbic Acid Glucoside".

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