Identification method of white fresh bark in Fengshining medicinal wine
A technology of Fengshi Ning medicine and white fresh skin, applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve high controllability, scientific and effective identification, and the effect of improving quality inspection standards
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Embodiment 1
[0041] The identification method of white fresh skin in Fengshining medicinal wine comprises the following steps:
[0042] (1) Preparation of the test solution: Take 45 mL of this product, add 20 mL of ethyl acetate, shake and extract once to obtain ethyl acetate liquid, evaporate to dryness, add 1 mL of methanol to the residue to dissolve it, and use it as the test solution;
[0043] (2) Preparation of reference substance solution: get phellodendron reference substance and alkone reference substance, add methanol to make a mixed solution containing 1 mg phellodendron reference substance and 1 mg alkone reference substance in every 1 mL, as the reference substance solution;
[0044] (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 8 μL of the test solution, respectively spot on the same silica gel G thin-layer plate, and use toluene-cyclohexane -...
Embodiment 2
[0046] The identification method of white fresh skin in Fengshining medicinal wine comprises the following steps:
[0047] (1) Preparation of the test solution: take 55mL of this product, add 20mL, 25mL, and 30mL 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;
[0048] (2) Preparation of reference substance solution: get phellodendron reference substance and alkone reference substance, add methanol to make a mixed solution containing 1 mg phellodendron reference substance and 1 mg alkone reference substance in every 1 mL, as the reference substance solution;
[0049] (3) Identification: According to the "Chinese Pharmacopoeia" 2015 edition four general rules 0502 thin-layer chromatography test, absorb 8 μL of the reference substance solution and 12 μL of the test solution, respectively spot on the same silica gel G thin-layer p...
Embodiment 3
[0051] The identification method of white fresh skin in Fengshining medicinal wine comprises the following steps:
[0052] (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;
[0053] (2) Preparation of reference substance solution: get phellodendron reference substance and alkone reference substance, add methanol to make a mixed solution containing 1 mg phellodendron reference substance and 1 mg alkone reference substance in every 1 mL, as the reference substance solution;
[0054] (3) Identification: According to the "Chinese Pharmacopoeia" 2015 edition four general rules 0502 thin-layer chromatography test, absorb 5 μL of the reference substance solution and 10 μL of the test solution, respectively spot on the same silica gel G...
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