Abstract
This study is to establish the HPLC specific chromatogram and determine four main nucleosides of wild and cultivated Cordyceps sinensis. Uridine, inosine, guanosine and adenosine were selected as reference substance. HPLC analysis was performed on a Waters XSelect HSS T3 C₁₈ (4.6 mm×250 mm, 5 μm), with a mobile phase consisting of water(A)-acetonitrile (B) at a flow rate of 0.6 mL•min⁻¹ (0-5 min,0% B;5-15 min,0%-10% B, 15-30 min,10%-20% B, 30-33 min, 20%-50% B, 33-35 min, 50%-0% B, 35-40 min, 0% B). The detection wavelength was 260 nm and the column temperature was controlled at 30 ℃, and the injection volume was 5 μL. HPLC specific chromatogram of wild and cultivated C. sinensis was established and four main nucleosides were simultaneously determined by the above method. Specific chromatograms and contents of four main nucleosides showed no significant differences between cultivated and wild C. sinensis. These results can provide scientific evidences for further development and utilization of cultivated C. sinensis.
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More From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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