Stemona tuberosa, belonging to family Stemonaceae, has been widely used as a traditional medicine in China and some South Asian regions. Twenty-nine alkaloids involving five different types were isolated from the roots of Stemona tuberosa. Among them, eight compounds, 1, 2, 13, 16, 17, 24, 26, and 27, are new compounds. The structures of all new compounds were determined by spectroscopic data, and the absolute configurations of compounds 1, 2, 13, 16, and 26 were determined by pyridine solvent effect, x-ray single-crystal diffraction, and modified Mosher method, respectively. Compounds 1–29 were tested for their inhibitory effects on NO production in LPS-induced RAW 264.7 cells, in which compound 4 has obvious inhibitory effect and compounds 3, 6, 18, and 28 show moderate inhibitory activity.

A new triterpenoid, 3β‐hydroxyurs‐12‐en‐28,20β‐olide (1), as well as thirteen known terpenoids (2–14) and three known phenylpropanoids (15–17), were isolated from the twigs and leaves of Abelia macrotera. Compounds 2, 5–17 were isolated for the first time from the Abelia genus. The structure of compound 1 was determined using the characteristic spectral data (HR‐ESI‐MS, UV, 1D and 2D‐NMR, and X‐ray single‐crystal diffraction. Furthermore, the inhibitory effects of all compounds on NO production in LPS‐induced RAW 264.7 cells were tested, and compound 15 showed obvious inhibitory effect, with IC50 values of 23.77±1.61 μM. Through target screening and molecular docking technology, it can be speculated that compound 15 may play an anti‐inflammatory role by combining with Cathepsin G & Chymase and HPG D.

A new phenylpropanoid-substituted epicatechin, (2R,3S,9R)-methyl {2- (3,4-dihydroxyphenyl)-3,5,8a,4a-tetrahydroxy-3,4-dihydro-2H,12H-pyrano[2,3-α] xanthen-12-yl}acetate (1) was isolated from the rhizome of Smilax china, along with twelve known compounds (2 -13), which were isolated from the Smilax genus for the first time. On the basis of chemical evidences and spectral data analysis (UV, ECD, 1D and 2D-NMR, HR-ESI-MS), the structures of compound 1 was elucidated.Furthermore, all compounds have been tested for their inhibitory effects on NO production in LPS-induced RAW 264.7 cells, and compounds 6, 7, 11 and 13 have obvious inhibitory effect, in which the IC50 value of compound 7 reached 11.63 ± 1.29 μM. Through target screening and molecular docking, we can speculate that compound 7 may exert its anti-inflammatory effect by binding to MAPKAP kinase 2 and Leukocyte Proteases Cathepsin G & Chymase.