2-O-β-D-Glucopyranosyl-L-ascorbic acid (AA-2βG), isolated from Lycium chinense, is a stable vitamin C analog with anti-tumor activity.
References:
[1]. Zhang Z, et al. Selective suppression of cervical cancer Hela cells by 2-O-β-D-glucopyranosyl-L-ascorbic acid isolated from the fruit of Lycium barbarum L. Cell Biol Toxicol. 2011 Apr;27(2):107-21.
















