Abstract
The TLC method was established for identification of Holotricha diomphalia larvae and the HPLC method was used to determine the content of inosine and guanosine in H. diomphalia larvae. The HPLC analysis was performed on a Waters HSS T3（4.6 mm×250 mm, 5 μm） column of with mobile phase consisting of acetonitrile (A) and 0.08% trifluoroacetic acid (B) in gradient elution. The detection wavelength was 260 nm. The flow rate was 1.0 mL·min⁻¹. The column temperature was 30 °C. As a result, TLC identification method had a good reproducibility and highly specificity. The linear equations of inosine and guanosine were in good linear range (r>0.999 8). The average recovery of inosine and guanosine was 96.53% (RSD=1.6%), 99.71% (RSD=2.7%). The method is simple, accurate and reproducible, which can provide a basis for quality standard improvement H. diomphalia larvae.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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