Method for detecting Jingfang granules
A detection method and particle prevention technology, applied in the field of Jingfang particle detection, can solve the problems of interference, complex components, and decreased drug efficacy.
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Embodiment 1
[0085] [Prescription] Nepeta 75g Fangfeng 75g Notopterygium 75g Duhuo 75g Bupleurum 75g Peucedanum 75g Chuanxiong 75g Citrus aurantium 75g Poria 75g Bellflower 75g Licorice 25g
[0086] [Preparation method] The above eleven herbs, Nepeta, Fangfeng, Notopterygium, Duhuo, Peucedanum, Chuanxiong and Citrus aurantium extract the volatile oil respectively, and the distilled aqueous solution of Chuanxiong and Citrus aurantium is collected separately; , according to the percolation method under the item of liquid extract and extract, use the above aqueous solution to make 25% ethanol solution as solvent, and carry out percolation; Add water to decoct the three flavors of bellflower, licorice, etc. twice, 1.5 hours each time, combine the decoction, filter, and concentrate the filtrate into a thick paste; combine the decoction and thick paste, mix well, let stand, filter, and store at 80-85°C The filtrate is concentrated into a clear paste with a relative density of 1.30 at a temperatu...
Embodiment 2
[0103] In this embodiment, except that the identification method is different, all the other detection methods are the same as in Example 1, and the specific identification method is as follows:
[0104] (1) Identification of Schizonepeta
[0105] Take 10g of this product, add 50ml of ether, sonicate for 15 minutes, filter, evaporate the filtrate to dryness, add 1ml of ethanol to the residue to dissolve, and use it as the test solution, and take 1g of Nepeta nepeta reference drug, add 50ml of ether, and sonicate for 15 minutes , filtered, the filtrate was evaporated to dryness, and the residue was dissolved by adding 1ml of ethanol. As the medicinal material solution, according to the thin-layer chromatography test, absorb 5 μl of each of the above two solutions, and respectively spot on the same silica gel G thin-layer plate, with petroleum ether: Chloroform:methanol=10:3:2 is the developing agent, develop, take out, dry in the air, spray with 5% vanillin sulfuric acid soluti...
Embodiment 3
[0115] In this embodiment, except that the identification method is different, all the other detection methods are the same as in Example 1, and the specific identification method is as follows:
[0116] (1) Identification of Schizonepeta
[0117] Take 10g of this product, add 50ml of ether, sonicate for 15 minutes, filter, evaporate the filtrate to dryness, add 1ml of ethanol to the residue to dissolve, and use it as the test solution, and take 1g of Nepeta nepeta reference drug, add 50ml of ether, and sonicate for 15 minutes , filtered, the filtrate was evaporated to dryness, and the residue was dissolved by adding ethanol 1ml. As the medicinal material solution, according to the thin-layer chromatography test, draw each 5 μl of the above-mentioned two solutions, respectively point on the same silica gel G thin-layer plate, and use petroleum ether: Chloroform:methanol=11:4:2.5 is developing agent, develops, takes out, dries, sprays with 5% vanillin sulfuric acid solution, is...
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