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1. (WO2018101431) 2-O-α-D-MALTOSYL-L-ASCORBIC ACID-CONTAINING COMPOSITION AND METHOD FOR PRODUCING SAME

Pub. No.:    WO/2018/101431    International Application No.:    PCT/JP2017/043137
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Fri Dec 01 00:59:59 CET 2017
IPC: C12P 19/22
A23L 33/15
A61K 8/67
A61K 31/7048
A61P 17/00
A61P 17/16
A61Q 19/00
C07H 19/01
C12P 19/18
Applicants: CARLIT HOLDINGS CO., LTD.
カーリットホールディングス株式会社
Inventors: UMEYAMA, Akinori
梅山 晃典
TAMURA, Masaaki
田村 正明
Title: 2-O-α-D-MALTOSYL-L-ASCORBIC ACID-CONTAINING COMPOSITION AND METHOD FOR PRODUCING SAME
Abstract:
The purpose of the present invention is to provide a 2-O-α-D-glycosyl-L-ascorbic acid composition which has excellent moisturizing properties and excellent skin wettability. The present invention relates to: a 2-O-α-D-maltosyl-L-ascorbic acid-containing composition which is a composition containing a 2-O-α-D-glycosyl-L-ascorbic acid represented by general formula (1) (wherein n represents an integer of 1 or more) or a salt thereof, and which is characterized in that 70% by mole or more of the 2-O-α-D-glycosyl-L-ascorbic acid is 2-O-α-D-maltosyl-L-ascorbic acid (n = 2); and a method for producing this 2-O-α-D-maltosyl-L-ascorbic acid-containing composition. This composition has excellent moisturizing properties and excellent skin wettability, and is useful as an external preparation for the skin.