ABSTRACT
<p><b>OBJECTIVE</b>To investigate the chemical constituents from roots of Boehmeria nivea.</p><p><b>METHOD</b>The constituents were isolated by repeated column chromatography and preparative liquid chromatography; and their structures were elucidated by chemical properties and spectroscopic analyses.</p><p><b>RESULT</b>Seven compounds were isolated and their structures were identified as tormentic acid (1), hederagenin (2), maslinic acid (3), 2alpha-hydroxyursolic acid (4), trans-p-hydroxycinamic acid (5), 2,4,4'-trihydroxychalcone (6), rutin (7).</p><p><b>CONCLUSION</b>Compounds 1-6 were obtained from this genus for the first time.</p>
Subject(s)
Boehmeria , Chemistry , Drugs, Chinese Herbal , Oleanolic Acid , Plant Roots , Chemistry , TriterpenesABSTRACT
Clinical research progress of Traditional Chinese Medicine(TCM) on treatment of diabetic nephropathy in recent ten years was explained from aspects of pathogen and pathogenesis, patterns classification of TCM, Chinese herbal Compound, single drug and the extractive. And the result showed a good therapeutic effect on early stage of TCM treatment for diabetes mellitus which was worthy to be popularized.
ABSTRACT
The content of total alkaloid in the seed of Peganum harmala L. was determined by bro-mophenol blue colorimetry. It could be considered that this is a specific, quick and simple method for thedetermination of total alkaloid in the seed of P. harmala.