Identification method of herba siegesbeckiae in anti-rheumatism medicinal liquor
A technology of Fengshi Ning medicine and Xixuecao, which is applied in the field of identification of Xixuecao, achieves the effect of short extraction time, good extraction effect, and improved quality inspection standards
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Embodiment 1
[0043] The method for identifying the Herba chinensis in Fengshining medicinal liquor comprises the following steps:
[0044] (1) Preparation of the test solution: take 40 mL of this product, add 20 mL of ethyl acetate, shake and extract once to obtain ethyl acetate solution, evaporate to dryness, add 1 mL of methanol to the residue to dissolve it, and use it as the test solution;
[0045] (2) Preparation of reference substance solution: take chinonyl alcohol reference substance, add methanol to make a solution containing 0.1 mg chinonyl alcohol reference substance in every 1 mL, as the reference substance solution;
[0046] (3) Identification: According to the TLC test of "Chinese Pharmacopoeia" in 2015, the four general rules 0502, draw 2 μL of the reference substance solution and 8 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, and use chloroform-methanol =3︰1 is the developer, develop, take out, dry, spray with 5% vanillin sulfuric ac...
Embodiment 2
[0048] The method for identifying the Herba chinensis in Fengshining medicinal liquor comprises the following steps:
[0049] (1) Preparation of the test solution: Take 55mL of this product, add 35mL, 30mL, and 20mL of ethyl acetate respectively, shake and extract 3 times, combine the ethyl acetate solution, evaporate to dryness, add 2mL of methanol to the residue to dissolve it, and use it as The test solution;
[0050] (2) Preparation of reference substance solution: take chinonyl alcohol reference substance, add methanol to make a solution containing 0.1 mg chinonyl alcohol reference substance in every 1 mL, as the reference substance solution;
[0051] (3) Identification: According to the "Chinese Pharmacopoeia" 2015 edition four general rules 0502 thin-layer chromatography test, absorb 4 μL of the reference substance solution and 12 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, with chloroform-methanol =5︰2 is the developing agent,...
Embodiment 3
[0053] The method for identifying the Herba chinensis in Fengshining medicinal liquor comprises the following steps:
[0054] (1) Preparation of the test solution: Take 50 mL of this product, add 20 mL and 30 mL of ethyl acetate respectively, shake and extract twice, combine the ethyl acetate solution, evaporate to dryness, add 1 mL of methanol to the residue to dissolve it, and use it as the test solution. product solution;
[0055] (2) Preparation of reference substance solution: take chinonyl alcohol reference substance, add methanol to make a solution containing 0.1 mg chinonyl alcohol reference substance in every 1 mL, as the reference substance solution;
[0056] (3) Identification: According to the "Chinese Pharmacopoeia" 2015 edition four general rules 0502 thin-layer chromatography test, absorb 3 μL of the reference substance solution and 10 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, with chloroform-methanol =4︰1 is the deve...
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