3 matokeo
Two new ent-kaurane diterpenoids, dayecrystals D-E (1-2), together with nine known compounds, isojaponin A (3), rabdosin A (4), lushanrubescensin J (5), wikstroemioidin B (6), maoyecrystal C (7), rabdosin B (8), isodonal (9), shikokianin (10), and effusanin A (11), were isolated from the leaves of
Four new ent-kaurane diterpenoids lushanrubescensins F-I (1-4), together with 11 known ones, lasiodonin (5), oridonin (6), ponicidin (7), isodonoiol (8), isodonal (9), rabdosin B (10), rabdoternins A and B (11 and 12), enmenol (13), epinodosin (14), and inflexusin (15), were isolated from Isodon
The cytotoxicity of six ent-kaurene diterpenoids isolated from the leaves of Isodon japonica (Burm.f.) Hara var. galaucocalyx (maxin) Hara was evaluated against three human tumour HepG2, GLC-82 and HL-60 cell lines through SRB assay, and their DNA damage potential (against HepG2 cell line) was