Abstract
Tetrahydropalmatine in Rhizoma corydalis and its preparations were separated and determined with no pretreatment in the buffer solution of 50 mmol/L of sodium acetate in methanol containing 2 mol/L acetic acid.
MeSH terms
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Berberine Alkaloids / analysis*
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Berberine Alkaloids / chemistry
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Drugs, Chinese Herbal / chemistry*
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Molecular Structure
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Plants, Medicinal / chemistry*
Substances
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Berberine Alkaloids
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Drugs, Chinese Herbal
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tetrahydropalmatine