PROBLEM TO BE SOLVED: To provide an excellent antimicrobial agent and a cosmetic material which is blended with the antimicrobial agent and has excellent functions. SOLUTION: Ascorbic acid derivatives obtained by reacting a hydroxy group at the 2- and/or
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Paragraph 0061; 0062
(2019/01/05)
GLYCERYL ASCORBIC ACID ACYLATED DERIVATIVE OR ITS SALT, PRODUCTION METHOD THEREOF, AND COSMETICS
A glyceryl ascorbic acid acylated derivative or its salt, which has an ascorbic acid structure where 2- and/or 3-positions of the structure are substituted with glyceryl groups and some of the hydroxyl groups in the structure and/or in the glyceryl group are acylated, a production method of the glyceryl ascorbic acid acylated derivative and a cosmetic containing the glyceryl ascorbic acid acylated derivative or its salt are provided.
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Paragraph 0074-0079
(2013/08/15)
ASCORBIC ACID DERIVATIVE OR SALT THEREOF, METHOD FOR PRODUCING THE SAME, AND COSMETIC PREPARATION
Disclosed is an ascorbic acid derivative or a salt thereof wherein at least one of hydrogen atoms in hydroxy groups at the 2-position and the 3-position of ascorbic acid is substituted by R-O-CH2-CH(OH)-CH2-, R-O-CH2-CH(CH
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Page/Page column 11-12
(2010/06/15)
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