Method for measuring multi-component content of Jingyaokang capsules
A determination method and technology of Jingyaokang are applied in the field of multi-component content determination of Jingyaokang capsule, which can solve the problems of blank detection of various components in Jingyaokang capsule, and it is difficult to reflect the product quality and product as a whole, so as to achieve rapid and efficient determination. , good peak shape, good separation effect
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Embodiment 1
[0040] A method for assaying the multi-component content of Jingyaokang capsules, comprising the following steps:
[0041] S1. Preparation of mixed reference solution:
[0042] Precisely weigh strychnine, α-eucydine, barley toxin, 11-carbonyl-β-boswellic acid, zedodobicycloenone, hydroxysafflower yellow A, naringin, tetrandrine, and fangchinoline , β-ecdysterone reference substance, placed in the same 25mL measuring bottle, diluted to the mark with 70% methanol, and shaken up, the mass concentrations of the above 10 components were successively 85.6 μg / mL, 339.4 μg / mL, 56.3 Mixed reference solution of μg / mL, 285.2μg / mL, 48.9μg / mL, 73.6μg / mL, 24.8μg / mL, 36.2μg / mL, 59.3μg / mL, 285.6μg / mL.
[0043] S2. Preparation of the test solution:
[0044] Accurately weigh 0.5g of the contents of Jingyaokang Capsules, add 70% methanol to make up to 50mL, airtight, weigh, ultrasonically treat for 10 minutes, weigh again, make up the lost mass with 70% methanol, shake well, filter, Take the ...
experiment example
[0057] 1. Inspection of extraction conditions
[0058] 1. Investigation of the preparation method of the test solution:
[0059] Experiments compared the extraction effects of different extraction solvents such as acetone, ethanol, methanol in water bath reflux, Soxhlet extraction, ultrasonic extraction, etc. The results showed that the overall effect of methanol ultrasonic extraction was the best. At the same time, the extraction effect of different concentrations of methanol (50%, 70%, 90%) as extraction solvent and different extraction time (5, 10, 20 min) was also investigated. The results showed that ultrasonic extraction with 70% methanol for 10 minutes was more complete, and the operation method was simple, stable and reproducible. Using methanol to ultrasonically extract the samples, the resulting spectrum has a large amount of information, including both fat-soluble components and water-soluble components, reflecting all the information contained in the medicinal mat...
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