PMID: 26767302Jan 16, 2016Paper

Correlation of HPLC Characteristic Spectra of Vinegar Corydalis Rhizoma Decoction Pieces, Water Decoction and Formula Granules

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
Mei WeiXiang-dong Chen

Abstract

To study the correlation of characteristic spectra of Vinegar Corydalis Rhizoma decoction pieces, water decoction and formula granules by HPLC, and to investigate the transfer of the main chemical constituents between three different forms. The analysis was carried out by a Phenomenex Gemini C18 column (250 mm x 4.6 mm,5 μm) with acetonitrile-1% acetic acid and ammonium acetate buffer solution (pH 6.0) as the mobile phase in a gradient elution mode. The detection wavelength was 280 nm with a flow rate of 0.8 mL /min. The column temperature was 30 degrees C. The characteristic spectra from 11 batches of Vinegar Corydalis Rhizoma decoction pieces, 11 batches of water decoction and 11 batches of formula granules were established respectively. Ten peaks in the HPLC characteristic spectra from 11 batches of formula granules could be tracked in the water decoction, nine peaks in the HPLC characteristic spectra could be tracked in the decoction pieces. In the ten common peaks, four components such as protopine, palnatine chloride, berberine hydrochloride and tetrahydropalmatine were verified. The main chemical components of Vinegar Corydalis Rhizoma decoction pieces, water decoction and formula granules are basically the same, the com...Continue Reading

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