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Natural antioxidant pedicularioside G inhibits angiogenesis and tumourigenesis in vitro and in vivo.
The results suggest that the anti-angiogenic and antitumoural effects of pedicularioside G might partially attribute to its antioxidative activity.
Cytotoxic germacranolides and acyclic diterpenoides from the seeds of Carpesium triste.
Four new highly oxygenated germacranolides (1, 4, 6, and 7) and four new acyclic diterpenes (8-11) were isolated from the seeds of Carpesium triste and exhibited significant cytotoxicity against HL-60 cells, and compound 10 exhibited cytotoxic activity against SMMC-7721 cells.
Sesquiterpenes from Ligularia Hodgsonii
A new nor-sesquiterpenoid eremophilane derivative and a new eudesmane derivative were isolated from the whole plants of Ligularia hodgsonii. Their structures were elucidated by spectroscopic methods
Aromatic Constituents from Vladimiria souliei.
The polar parts of the title plant gave several lignans including six new ones named vladinol A-F. The structures were elucidated by high field (1)H-NMR spectroscopy and a few chemical reactions. The