Stereoisomer-specific allosteric activation of xanthine oxidoreductase by shikonin and alkannin: mechanistic insights and hyperuricemia risk assessment - Li Liu; Huizhi Zhan; Yonglan Chen; Jing Long; Yuxin Lan; Huan Liu; Gan Qiao; Maolin Chen; Shi Zhen; Bing He; Liangliang Zhu; Xiaoyi Qi; et al. (Food Chemistry, 2026)