Method for simultaneously and rapidly determining various phenolic acid and tanshinone components in compound salvia milliorrhiza tablets
A rapid determination technology for compound Danshen tablets, which is applied in the directions of measuring devices, material separation, and material analysis, can solve the problems of simultaneous extraction of multiple components, difficulty in component quality analysis, and relatively difficult analysis, so as to improve quality The effect of control level, short preparation time and saving consumption
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[0053] (1) Preparation of reference substance solution: Accurately weigh the following reference substances in a 10mL volumetric flask: danshensu 0.90mg, protocatechualdehyde 0.42mg, caffeic acid 0.39mg, rosmarinic acid 1.20mg, shikonic acid 0.85mg, Add 0.60mg of salvianolic acid A, 5.10mg of salvianolic acid B, 1.00mg of dihydrotanshinone I, 1.95mg of cryptotanone, 1.73mg of tanshinone I and 2.60mg of tanshinone IIA, dissolve in 80% ethanol aqueous solution, and dilute to 10mL. Dubbed a mixed reference solution.
[0054] (2) Preparation of the test solution: Take 10 tablets of Compound Danshen Tablets, remove the coating, accurately weigh, and grind finely. Accurately weigh 0.500g of the powder and place it in a round bottom flask with a stopper, add 20mL of 80% ethanol aqueous solution precisely, set a stopper, and accurately weigh. Put it in a microwave-assisted extractor, microwave power 400W, temperature 70°C, extract for 1.5min, take it out, put it at room temperature, ...
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