Phenylethanoid glycosides from root of Picrorhiza scrophulariiflora / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the phenylethanoid glycosides from root of Picrorhiza scrophulariiflora.</p><p><b>METHOD</b>Column chromatographic techniques were used for isolation and purification of chemical constituents of the plant and the structures were identified by spectroscopic analysis.</p><p><b>RESULT</b>Six phenylethanoid glycosides were isolated and elucidated as 2-(3,4-dihydroxyphenyl)-ethyl-O-beta-D-glucopyranoside (1), 2-(3-hydroxy-4-methoxyphenyl)-ethyl-O-beta-D-glucopyranosyl (1-->3) beta-D-glucopyranoside (2), scroside B (3), hemiphroside A (4), plantainoside D (5) and scroside A (6), respectively.</p><p><b>CONCLUSION</b>Compounds 1, 2, 4 and 5 were isolated from this plant for the first time and compound 2 was firstly obtained from natural source.</p>