Quality control method of xiaojiean preparation
A determination method and content technology are applied in the field of quality control of pharmaceutical preparations, and can solve the problems that there is no method for identifying components and content determination methods of Tuckahoe
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Embodiment 1
[0089] Embodiment 1: Take the test product (for example, weigh 1.5 g of the content of 09090505 Pixiaojie’an Capsule), which contains 5 mg of Astilbin; solution 10ml), the test sample contains astilbin 5mg, concentrated to dryness; add methanol 15ml to the above test sample, sonicate for 15 minutes, let cool, filter, and the filtrate is concentrated to 2ml, as the test solution. Another astilbin reference substance 3mg, add methanol 1ml to dissolve, as the reference substance solution. Then take 1 g of Smilax smilax as reference medicinal material, and prepare the reference medicinal material solution in the same way. According to the thin-layer chromatography (Appendix VI B of "Chinese Pharmacopoeia") test, draw 2 μl of each of the above three solutions, respectively spot on the same silica gel G thin-layer plate, and mix with chloroform-methanol-formic acid (4:1: 0.05) as the developer, develop, take out, dry in the air, spray with 5% vanillin and 10% sulfuric acid ethanol ...
Embodiment 2
[0090] Embodiment 2: The color developer described in embodiment 1 is replaced with 2% ferric chloride ethanol solution, after spraying with the color developer, it is inspected under sunlight, and other is the same as embodiment 1.
Embodiment 3
[0091] Embodiment 3: The color developer described in Example 1 was replaced with 1% aluminum chloride ethanol solution, after spraying with the color developer, it was inspected under an ultraviolet lamp (365nm), and the others were the same as in Example 1.
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