Abstract
Two new sesquiterpene glycosides, 8α,12,15β-trihydroxycopacamphan-15-O-β-D-glucopyranoside (1) and dendrobiumane C-11-O-β-D-glucopyranoside (2), along with three known terpenoids (3-5) were isolated from the aerial stems of Dendrobium henanense. Their structures were elucidated based on NMR-spectroscopic and HR-MS analyses. All compounds could reduce the levels of NO, TNF-α and IL-1β in LPS-induced RAW264.7 cells with IC50 values ranging from 10.37 to 34.55 µΜ.
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