7 結果
Lung cancer is the leading cause of cancer-related deaths worldwide. Compound Batatasin III isolated from Dendrobium draconis Rchb.f. was tested for the possible anti-cancer activities including anti-proliferative, anti-migration and invasion in human non-small lung cancer H460 cells.
The effect of
OBJECTIVE
To study the phenolic constituents of Dendrobium aphyllum.
METHODS
Various chromatographic techniques were used to isolate and purify the constituents, their physico-chemical properties and spectral data were employed to elucidate their structures.
RESULTS
Nine bibenzyls and two
Two new dihydrophenanthrenes, dendroinfundin A (1) and dendroinfundin B (2) were isolated from the whole plant of Dendrobium infundibulum, together with 7 known compounds (3-9). The structures of the new compounds (1 and 2) were established on the basis of their spectroscopic data. All of the
A MeOH extract from the whole plant Dendrobium venustum exhibited significant antimalarial and anti-herpetic activities. Bioassay-guided isolation of the plant extract resulted in the isolation of seven known phenolic compounds. Densiflorol B (3) and phoyunnanin E (6) showed the strongest
A number of Dendrobium species (Orchidaceae) have been used as health foods. In Thailand, the tea prepared from the stems of Dendrobium draconis Rchb.f. (Orchidaceae) has been used as a blood tonic. Our phytochemical investigation of this plant led to the isolation of a new compound namely
Chemical investigation of Flickingeria fimbriata (Bl.) Hawkes (Orchidaceae) resulted in the isolation and identification of one new dihydrophenanthrene, 1,2,5,6,7-pentamethoxy-9,10-dihydrophenanthrene (1), together with seven known dihydrophenanthrenes, erianthridin (2), coelonin (3),
Three bibenzyls 1-3 and six other compounds 4-9 were firstly isolated from Dendrobium huoshanense stems. They were identified as 3',4-dihydroxy-3,5'-dimethoxybibenzyl(1), batatasin Ⅲ(2), 3,4'-dihydroxy-5-methoxy bibenzyl(3), dihydroconiferyl dihydro-p-coumarate(4), syringaresinol(5),