Method for examination of Sihuang dysentery-relieving particle quality
A technology for the quality of Sihuang Zhili Granules, which is applied in the field of quality inspection of Sihuang Zhili Granules, can solve the problems of no content measurement items and unfavorable quality, achieve good separation of main spots, improve quality level, and ensure product quality Effect
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Embodiment 1
[0039] 1. Identification of Scutellaria baicalensis Georgi:
[0040] Take 14g of the finely ground powder of this product, add 50ml of methanol, sonicate for 20 minutes, filter, evaporate the filtrate, add 2ml of methanol to the residue to dissolve, filter, and use the filtrate as the sample solution to be tested. Take another baicalin reference substance, add methanol to make a solution containing 1mg per 1ml, as the reference substance solution. According to thin layer chromatography (appendix page 32), draw 5μl of each of the above two solutions and place them on the same silica gel G plate with 4% sodium acetate and sodium carboxymethyl cellulose solution as the binder. Ester-butanone-formic acid-water (5:3:1:1) is used as the developing agent, placed in the exhibition tank for pre-saturation for 30 minutes, unfolded, taken out, dried, and sprayed with 1% ferric chloride ethanol solution. In the chromatogram of the sample to be tested, spots of the same color appear on the c...
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