Studies on chemical constituents of Gastrodia elata / 中草药

ABSTRACT

Object To study the low polarity constituents of Gastrodia elata Blume Methods The constituents were isolated by column with prepared TLC, and identified by NMR, MS spectra Results Seven compounds were isolated and identified They were p hydroxybenzyl ethyl ether (Ⅰ), ? sitosterol (Ⅱ), palmitic acid (Ⅲ), 2, 2′ methylenebis (6 tert butyl 4 methylphenl) (Ⅳ), p hydroxy benzyl methyl ether (Ⅴ), dimethyl phthalate (Ⅵ), p hydroxybenz aldehyde (Ⅶ) Conclusion Two compounds were isolated from G elata firstly, and compound Ⅳ as tetra benzol dimer is also isolated from the plants of Gastrodia R. Br. and Orchidaceae for the first time