Quality detection method for liver protection dropping pill of traditional Chinese medicine preparation
A quality inspection method and technology for protecting liver dripping pills, applied in the biological field to achieve the effect of quality control
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Embodiment 1
[0051] The mensuration of active ingredient content in Hugan dripping pill of the present invention
[0052] (1) Detection of components of Bupleuri
[0053] Chromatographic conditions and system suitability test use octadecyl bonded silica gel as filler; acetonitrile as mobile phase A, water as mobile phase B; during the detection process, during 0-50 minutes, mobile phase A:B with ( 25→90:75→10) for gradient elution, during 50-55 minutes, use mobile phase A:B (90:10) for elution; the detection wavelength is 210nm; the number of theoretical plates is based on the peak of saikosaponin a The calculation is not less than 10000;
[0054] Preparation of reference substance solution Take an appropriate amount of saikosaponin a reference substance, weigh it accurately, add methanol to make a solution containing 0.4 mg of saikosaponin a per 1 ml, shake well, and obtain.
[0055] The preparation of need testing solution takes 100 balls of liver-protecting dripping pills, accurately ...
Embodiment 2
[0068] The identification method of embodiment 2 liver-protecting dripping pills of the present invention
[0069] (1) Identification of Schisandra
[0070] Take 40 pills of Hugan Dropping Pills, add 20ml of methanol, sonicate for 20 minutes, freeze for 2 hours, filter, put the filtrate on a water bath and evaporate to dryness, add 30ml of cyclohexane to the residue, sonicate for 30 minutes, filter, and use the medicine residue for later use; Put it on a water bath and evaporate to dryness, add 2ml of ethyl acetate to the residue to dissolve it, and use it as the test solution. Another Schizandrin B reference substance, add methanol to make a solution containing 1mg per 1ml, as the reference solution. According to the thin-layer chromatography test, draw 2 μl of each of the above two solutions, and spot them on the same silica gel GF respectively. 254 Use toluene-ethyl acetate (9:1) as the developer on the TLC plate, develop it, take it out, dry it, and inspect it under a UV...
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