Method for establishing halimasch liquid fermentation production HPLC fingerprint pattern and its standard fingerprint pattern
A technology of fermentation products and fingerprints, which is applied in the direction of measuring devices, instruments, scientific instruments, etc.
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[0022] 1. Instruments and reagents
[0023] 1.1 Instrument
[0024] American Agilent 1100 high performance liquid chromatograph, DAD detector.
[0025] Chromatographic column: ZORBAX SB-C18 (4.6×150mm, 5μm), Agilent Company, USA.
[0026] 1.2 Reagents
[0027] Methanol was chromatographically pure reagent from Fisher Company of the United States, and trifluoroacetic acid was chromatographically pure reagent from Tedia Company of the United States. The reference substances uridine, adenosine and 5-hydroxymethylfurfural were purchased from China Institute for the Control of Pharmaceutical and Biological Preparations.
[0028] 2. Methods and Results
[0029] 2.1 Preparation of reference substance solution: Weigh 2 mg each of uridine, adenosine and 5-hydroxymethylfurfural into a 2ml volumetric flask, add 50% methanol to dissolve, set the volume to the mark, and use it as a reference solution for later use ;
[0030] 2.2 Preparation of the test product: After the liquid ferme...
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