financially supported by Higher Institution Centerof Excellence(HICoE)of the Ministry of Higher Education Malaysia(grant No.311/CIPPM/440105)
Objective:To evaluate antioxidant,antimicrobial and cytotoxic activity of different parts(root, flower,leaf and stem)of Leucas aspera(L.aspera)(Labiatae).Methods:Different parts of L.aspera were extracted with 80%(v/v...
Two new ent-kaurane diterpenoids, sculponeatins L (1) and M (2), were isolated from the EtOAc extract of Isodon sculponeata. Their structures were elucidated by spectroscopic evidences. The cytotoxicities of 1 and 2...
Two new ent-kauranoids, tenuifolin A (3beta,6alpha, 15beta-trihydroxy-1alpha, 7beta-diacetoxy-11beta, 16beta-epoxy-ent-kaurane) (1) and tenuifolin B (1alpha,6alpha, 11beta-trihydroxy-3beta,7beta-diacetoxy-ent-kaur-16-...
Nine compounds were isolated from Elsholtzia blanda (Benth.) Benth. Their structures were identified with spectral and chemical methods as follows: 5,6-dihydro-6-styry-2-pyrone (1), friedelin (2), 4-hydroxy-3-methoxys...
A new lignan, together with a known one, was isolated from Isodon lophanthoides var. gerardianus [Bentham] H. Hara. The structure of the new lignan was elucidated as 1_acetoxyl_2e_piperonyl_6e_[6_methoxyl_pi...