[Studies on the chemical constituents of radix Boehmeriae].
OBJECTIVE
To study the chemical constituents from Radix Boehmeriae.


METHODS
Compounds were isolated by various column chromatographies with silica gel, their structures were elucidated by spectral analysis and chemical evidence.


RESULTS
Eight compounds were isolated and their structures were identified as emodin (1), emodin-8-O-beta-glucopyranoside (2), physcion (3), polydatin (4), catechin (5), epicatechin (6), potassium nitrate (7), sitosterol (8).


CONCLUSIONS
Among these compounds, 3 -7 are isolated from Radix Boehmeriae for the first time.
Xiyuan Hospital China Academy of Traditional Chinese Medicine, Beijing 100091, China. slj811013@sina.com
Li-Jun
LJ
Shao
Jian-Nong
JN
Wang
D032402:Boehmeria / Q000737:chemistry*; D002392:Catechin / Q000737:chemistry / Q000302:isolation & purification*; D002845:Chromatography; D004642:Emodin / Q000031:analogs & derivatives* / Q000737:chemistry / Q000302:isolation & purification; D005960:Glucosides / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D009566:Nitrates / Q000737:chemistry / Q000302:isolation & purification; D018517:Plant Roots / Q000737:chemistry*; D017680:Potassium Compounds / Q000737:chemistry / Q000302:isolation & purification; D013267:Stilbenes / Q000737:chemistry / Q000302:isolation & purification*
D005960:Glucosides; D009566:Nitrates; D017680:Potassium Compounds; D013267:Stilbenes; D002392:Catechin; C008905:physcione; D004642:Emodin; C023844:potassium nitrate; C058229:polydatin