Abstract
Eight new triterpenoid saponins, including four ursane-type saponins, ilexchinenosides J-M (1–4), and four oleanane-type saponins, ilexchinenosides N-Q (5–8), along with three known triterpenoid saponins (9–11) were isolated from the leaves of Ilex chinensis Sims. Their structures were established by 1D, 2D NMR and MS spectroscopic analyses and through comparisons with known compounds. Moreover, compounds 1, 3, 5, 7–9 and 11 exhibited significant levels of hepatoprotective activity against N-acetyl-p-aminophenol (APAP)-induced HepG2 cell damage in in vitro assays while compound 10 had moderately inhibitory effects on the NO production of lipopolysaccharide (LPS)-induced murine macrophages.
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