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Clematichinenoside AR (C‐AR), a pentacyclic triterpenoid saponin with anti‐inflammatory and anti‐rheumatoid activities, is the main active component of the traditional Chinese medicine Clematidis Radix et Rhizoma. However, its poor oral absorption indicated that not only the parent compound C‐AR itself, but also its metabolites could be responsible for the pharmacological effects in rats. The present...
This study aimed to develop and validate a liquid chromatography tandem mass spectrometry method for measuring clematichinenoside AR in rat plasma. Clematichinenoside AR was extracted by solid‐phase extraction and chromatographed on an XTerra MS C8 column. Pulchinenoside B4 was used as the internal standard. Elution was achieved using an isocratic mobile phase of acetonitrile with 0.1% acetic acid...
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