AI Article Synopsis

  • - A new method was developed to simultaneously measure evodiamine and rutaecarpine in herbal medicine using high-performance liquid chromatography (HPLC) with a specific ion-pair reagent.
  • - The two compounds were successfully separated and analyzed within 60 minutes without interference from other ingredients in the herbal decoctions.
  • - The mobile phase for the HPLC included a mixture of water, methanol, acetonitrile, sodium dodecyl sulfate (SDS), and phosphoric acid, optimized for effective elution with a pH of 5.0.

Article Abstract

A simple and precise method was established for the simultaneous determination of evodiamine and rutaecarpine in oriental pharmaceutical decoctions containing Evodia Fruit using high-performance liquid chromatography with sodium dodecyl sulfate (SDS) as an ion-pair reagent. Evodiamine and rutaecarpine were eluted within 60 min without interference from co-existing components using an ODS column and a mixture of water-methanol-acetonitrile-SDS-phosphoric acid (600:330:70:5:0.01, v/v/v/w/v, pH 5.0) as a mobile phase.

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http://dx.doi.org/10.1248/yakushi1947.116.1_59DOI Listing

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Article Synopsis
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  • They improved extraction methods by combining traditional response surface methodology with a genetic algorithm, and utilized high-speed countercurrent chromatography to isolate these active compounds.
  • The study confirmed the structures of these compounds through nuclear magnetic resonance spectroscopy and validated their neuroprotective properties against cell damage, setting the stage for future development of AChE inhibitors.
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This research aimed to investigate the pharmacological components for liver stagnation and spleen deficiency syndrome (LSSDS) of Evodia rutaecarpa (also called Yu HuangLian [YHL]) by exploring the spectrum-effect relationship between fingerprints and pharmacological actions. The fingerprints of 17 batches of YHL with different preparation conditions according to Box-Behnken Design were generated and analyzed to identify the common peaks by HPLC and FT-IR. Vasoactive intestinal peptide (vip), substance P, and 5-HT levels in colon sample were measured by ELISA.

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