lignans and allitol

To study the active constituents of Dendrobium aphyllum.. Various chromatographic techniques were used to isolate and purify the constituents, their physico-chemical properties and spectral data are determinated to elucidate the structure.. Eight compounds were isolated and identified as: 4'-methoxyl-tricin (1), tricin (2), 7, 3', 5'-tri-O-methyl-tricetin (3), syringic acid (4), ( + )-syring-aresinol (5), D-allitol (6), sucrose (7), icariside D2 (8).. Compounds 1-3, 6-8 were isolated from genus Dendrobium for the first time, additionally, the others were obtained firstly from the plant.

Topics: Dendrobium; Drugs, Chinese Herbal; Flavonoids; Furans; Gallic Acid; Glucosides; Lignans; Magnetic Resonance Spectroscopy; Plant Stems; Sucrose; Sugar Alcohols