Study on chemical constituents from stem of Dendrobium aphyllum / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the active constituents of Dendrobium aphyllum.</p><p><b>METHOD</b>Various chromatographic techniques were used to isolate and purify the constituents, their physico-chemical properties and spectral data are determinated to elucidate the structure.</p><p><b>RESULT</b>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).</p><p><b>CONCLUSION</b>Compounds 1-3, 6-8 were isolated from genus Dendrobium for the first time, additionally, the others were obtained firstly from the plant.</p>