Abstract
An unprecedented new skeleton compound (1R, 10R, 11S)-10,11-dimethyl-4-formyl-2,9-dioxa-bicyclo [5.4.0] undeca-4,6-dien-3-one (1), monoterpenoids and monoterpene glycoside picrocrocinic ester (2), epijasminoside B (3) and 6'-O-(3-methoxyl-4-hydroxyl-coumaroyl)-epijasminoside B (4), along with 26 known compounds, were obtained from Zhuyeqing Liquor. These compounds were identified mainly by analyzing their NMR, HR-ESI-MS and CD data. The isolated compounds were screened against alcohol induced HepaG 2 toxicity for hepatoprotective assay. Compounds 10, 19, 21 and 26 displayed the highest potency against alcohol induced HepaG 2 toxicity with the cell viability ratio 41.21, 56.91, 67.69 and 70.32% respectively.
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