Quality control method of hyperthyroidism resistance powder
A quality control method, thin-layer chromatography technology, applied in the field of traditional Chinese medicine, can solve the problems that the quality control method cannot meet the requirements, and achieve the effect of ensuring accuracy and advancement
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Embodiment 1
[0065] Determining the content of one component of the drug by high performance liquid chromatography; identifying four components therein by thin layer chromatography;
[0066] Content determination:
[0067] Determination of hesperidin C in the drug by high performance liquid chromatography 28 h 34 o 15 content.
[0068] Chromatographic conditions:
[0069] Octadecylsilane bonded silica gel is used as filler; methanol-water-glacial acetic acid 15:45:0.05 is used as mobile phase; the detection wavelength is 284±2nm, and the number of theoretical plates shall not be less than 3000 based on hesperidin;
[0070] Preparation of reference solution:
[0071] Accurately weigh the appropriate amount of hesperidin reference substance, add methanol to make a solution containing 0.1 mg of hesperidin per 1 ml;
[0072] Preparation of the test solution:
[0073] Accurately weigh 1g of the drug that has been finely ground, put it in a conical flask, accurately add 50ml of methanol, ...
Embodiment approach
[0087] One embodiment of the present invention is: developing agent is n-hexane-chloroform-methanol-diethylamine (5-18: 2-10: 0.5-2: 0.05-1) or n-hexane-chloroform-methanol- Concentrated ammonia test solution (5-18: 2-10: 0.5-2: 0.05-1); and other common developing agents and their proportions.
[0088] b) identify the Ligustrum lucidum composition wherein with thin-layer chromatography:
[0089] Preparation of the test solution:
[0090] Take by weighing 1g of the drug, add 20ml of methanol, heat and reflux for 40 minutes, filter, evaporate the filtrate to dryness, add 0.5ml of the mixed solution of absolute ethanol:chloroform=2:1 to dissolve the residue, and use it as the test solution;
[0091] Preparation of reference solution:
[0092] Weigh the oleanolic acid reference substance, add methanol to make a solution containing 0.5mg of oleanolic acid per 1ml, as the reference substance solution;
[0093] TLC test:
[0094] Take 5 μl of the test solution and 1 μl of the re...
Embodiment 2
[0118] Determining the content of one component of the drug by high performance liquid chromatography; identifying four components therein by thin layer chromatography;
[0119] Content determination:
[0120] Determination of hesperidin C in the drug by high performance liquid chromatography 28 h 34 o 15 content.
[0121] Chromatographic conditions:
[0122] Octadecylsilane bonded silica gel is used as filler; methanol-water-glacial acetic acid 40:56:4 is used as mobile phase; the detection wavelength is 284±2nm, and the number of theoretical plates shall not be less than 3000 based on hesperidin;
[0123] Preparation of reference solution:
[0124] Accurately weigh the appropriate amount of hesperidin reference substance, add methanol to make a solution containing 0.2mg of hesperidin per 1ml;
[0125] Preparation of the test solution:
[0126] Accurately weigh 1 g of the drug that has been finely ground, put it in a conical flask, accurately add 50ml of methanol, weig...
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