Method for detecting effective components of girald daphne bark
A technology of active ingredient and determination method, applied in the field of active ingredient determination of Zu Shima, can solve the problem of fingerprints without any reports and the like
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Embodiment 1
[0209] Zushima tablet of the present invention, preparation method is as follows:
[0210] Take 1100g Zushima, add water and decoct three times, the first time for 2 hours, the second time, and the third time for 1 hour, combine the decoction, filter, and concentrate the filtrate to a clear paste with a relative density of 1.22-1.26 (50°C). Add ethanol to make the alcohol content reach 75%, let it stand for precipitation, take the supernatant, recover the ethanol and concentrate to an appropriate amount, add 10g of calcium carbonate, appropriate amount of starch, and dextrin, mix well, make granules, dry, and press into 1000 Tablets, film-coated or sugar-coated, ready to serve.
Embodiment 2
[0212] The active ingredient assay method of the zushima preparation of the present invention comprises the following steps:
[0213] 1) Preparation of the reference substance solution Take an appropriate amount of the reference substance of ancestralin and 7-hydroxycoumarin, accurately weigh it, add 85% methanol to make each 1ml contain 0.1 mg of ancestralin and 20 μg of 7-hydroxycoumarin The mixed solution, that is. 2) Preparation of the test solution Take 20 tablets of this product, remove the coating, accurately weigh, grind finely, take about 0.6g,
[0214] Accurately weighed, put in a stoppered Erlenmeyer flask, accurately add 50ml of 85% methanol, seal the plug, weigh, ultrasonically treat (power 500W, frequency 40kHz) for 30 minutes, let cool, weigh again, and use 85% methanol Make up for the lost weight, shake well, filter, and take the filtrate to get it.
[0215] 3) Determination method Precisely draw 10 μl of each of the reference substance solution and the test ...
Embodiment 3
[0221] The identification method of ancestral hemp preparation, described method, comprises the following steps:
[0222] 1) Take 2 Zushima tablets, remove the coating, grind finely, put them in a stoppered Erlenmeyer flask, add 25ml of methanol, sonicate for 20 minutes, filter, and concentrate the filtrate to about 1ml as the test solution.
[0223] 2) Take 1 g of Zushima reference medicinal material, and prepare the reference medicinal material solution in the same way.
[0224] 3) Then take the zushimarin reference substance, add methanol to make a solution containing 1mg per 1ml, and use it as the reference substance solution.
[0225] 4) According to the test of thin-layer chromatography (Appendix VIB of "Chinese Pharmacopoeia" 2010 Edition), draw 2-5 μl of each of the above-mentioned three solutions, and 5 μl of the control extract solution, respectively spot on the same silica gel GF254 thin-layer plate, and use three Chloromethane-acetone-glacial acetic acid (7:1:0.5)...
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