Delving into the Latest Updates on Beijing University of Chinese Medicine Factory with Synapse

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An HPLC method was used for determination of cholic acid and hyodeoxycholic acid.Using HPLC-UV with Diamonsil-C₁₈ column (4.6 mm × 150 mm, 5 μm), acetonitrile-water-phosphoric acid (35:65:0.1) as the mobile phase; the detection wavelength was 192 nm; the temperature of the column was 25°; the flow rate was 1.5 mL/min^-1.A better linearity and good correlation coefficient were obtained: cholic acid was 3.154-31.540 μg, r = 0.999 5; hyodeoxycholic acid was 1.927-19.266 μg, r = 0.9992.The satisfactory reconvenes were obtained: cholic acid was 98.98%, RSD = 0.42%; hyodeoxycholic acid was 98.29%, RSD = 0.61%.The method was accurate, reliable, and repeatable, which can be used as the method of quality control for cholic acid and hyodeoxycholic acid.

Zhongguo Shiyan Fangjixue Zazhi

Effect of drying methods on salvianolic acid B contents in Rukuaixiao tablet extract

Author: Hao, Su-mei ; Huang, Ying ; Shi, Xue-hong ; Shi, Li-rong

The objective of this paper is to investigate the effect of drying method on content of salvianolic acid B in the extract of Rukuaixiao tablets.Using high performance liquid chromatog., Diamonsil C₁₈ (4.6 mm × 150 mm, 5 μm); mobile phase: methanol-acetonitrile-formic acid-water (30:10:1:59); flow rate is 1.0 mL/min^-1; the detection wavelength is 286 nm.Salvianolic acid B shows good linear relationship with the area of chromatog. peak in the range of 0.225-6.75 μg, r = 0.999 8 (n = 6) average recovery rate is 100.06%.Content of salvianolic acid B in the extract of Rukuaixiao tablet which is prepared by spray drying is higher.

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Pipeline

Pipeline Snapshot as of 02 Feb 2025

The statistics for drugs in the Pipeline is the current organization and its subsidiaries are counted as organizations,Early Phase 1 is incorporated into Phase 1, Phase 1/2 is incorporated into phase 2, and phase 2/3 is incorporated into phase 3

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