Method for determining traditional Chinese medicine all-along decoction fingerprint spectra by means of HPLC (high performance liquid chromatography)
A technology of fingerprints and traditional Chinese medicine, applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve the effects of avoiding singleness and one-sidedness, easy identification, and high technical content
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Embodiment 1
[0037] A kind of fingerprint method that uses HPLC to measure traditional Chinese medicine Yiguanjian that the present invention proposes, comprises the following steps:
[0038] Octadecylsilane bonded silica gel with a particle size of 5 μm is used as a chromatographic column filler, the inner diameter of the chromatographic column is 4.6 mm, and the length of the chromatographic column is 250 mm; acetonitrile is used as mobile phase A, and formic acid aqueous solution with a volume concentration of 0.01% As mobile phase B, 10 μL Yiguanjian sample solution was subjected to gradient elution, wherein the flow rate was 1.0ml / min, the column temperature was 30°C, and then detected by a DAD detector with a detection wavelength of 316nm to obtain figure 1 .
[0039] Among them, the Yiguanjian sample solution is prepared according to the following process: Weigh 2.0g of Yiguanjian dry cream powder and place it in a stoppered conical flask, add 40ml of methanol, ultrasonicate for 15m...
Embodiment 2
[0051] A kind of fingerprint method that uses HPLC to measure traditional Chinese medicine Yiguanjian that the present invention proposes, comprises the following steps:
[0052] Octadecylsilane bonded silica gel with a particle size of 5 μm is used as a chromatographic column filler, the inner diameter of the chromatographic column is 4.6 mm, and the length of the chromatographic column is 250 mm; acetonitrile is used as mobile phase A, and acetic acid aqueous solution with a volume concentration of 0.1% The mobile phase B is used for gradient elution of Yiguanjian sample solution, wherein the flow rate is 1.0ml / min, the column temperature is 30°C, and then detected by a DAD detector with a detection wavelength of 316nm.
[0053] Among them, the Yiguanjian sample solution is prepared according to the following process: Weigh 2.0 g of Yiguanjian dry cream powder, put it in a stoppered conical flask, add 40 ml of methanol, ultrasonicate for 15 minutes, let cool, filter, and put ...
Embodiment 3
[0057] A kind of fingerprint method that uses HPLC to measure traditional Chinese medicine Yiguanjian that the present invention proposes, comprises the following steps:
[0058] Octadecylsilane bonded silica gel with a particle size of 5 μm is used as a chromatographic column filler, the inner diameter of the chromatographic column is 4.6 mm, and the length of the chromatographic column is 250 mm; acetonitrile is used as mobile phase A, and phosphoric acid aqueous solution with a volume concentration of 0.1% The mobile phase B is used for gradient elution of Yiguanjian sample solution, wherein the flow rate is 1.0ml / min, the column temperature is 30°C, and then detected by a DAD detector with a detection wavelength of 316nm.
[0059] Among them, the Yiguanjian sample solution is prepared according to the following process: Weigh 2.0 g of Yiguanjian dry cream powder, put it in a stoppered conical flask, add 40 ml of methanol, ultrasonicate for 15 minutes, let cool, filter, and ...
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