| abstract |
An ascorbic acid derivative, which is a compound represented by the following general formula (1) or a salt thereof: [Chemical Formula 11] (wherein X and Y each represents H or a protective group for OH, R1 and R2 each represents an alkyl group having from 1 to 19 carbon atoms, which may be linear or branched, and the total number of carbon atoms in R1 and R2 is an integer of 5 to 22). |