Flos lonicerae and radix scutellariae lung-clearing preparation fingerprint spectrum establishment method and standard fingerprint spectrum and application thereof
A standard fingerprint, the technology of Yinhuang Qingfei, is applied in the application field of the fingerprint in the quality control of the preparation, and can solve the problems of not being able to better guarantee the clinical efficacy and the like
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Embodiment 1
[0165] Example 1 Establishment of Yinhuang Qingfei Capsule Fingerprint
[0166] (1) Instruments and reagents
[0167] Shimadzu LC-10ATVP high performance liquid chromatograph, CLASS-VP 5.0 chromatographic workstation; Inertil C18 chromatographic column.
[0168] (2) preparation of need testing solution
[0169] Take about 1.2 grams of the contents of 130201 batches of Yinhuang Qingfei Capsules, add 30ml of methanol precisely, weigh, and ultrasonically treat for 30 minutes. After cooling, use methanol to make up for the lost weight, filter through a microporous membrane, and take the subsequent filtrate to obtain .
[0170] (3) Preparation of reference substance solution
[0171] Take an appropriate amount of ephedrine hydrochloride reference substance, add methanol to make a solution containing 0.2mg per 1mL, and obtain it;
[0172] Take an appropriate amount of schisandra alcohol A reference substance, add methanol to make a solution containing 6mg per 1mL, and obtain it;...
Embodiment 2
[0209] Example 2 Establishment of Fingerprint of Yinhuang Qingfei Capsules
[0210] (1) Instruments and reagents
[0211] Shimadzu LC-10ATVP high performance liquid chromatograph, CLASS-VP 5.0 chromatographic workstation; Inertil C18 chromatographic column.
[0212] (2) preparation of need testing solution
[0213] Take about 1.5 grams of the contents of 130104 batches of Yinhuang Qingfei capsules, accurately add 40ml of methanol, accurately weigh, reflux and extract for 30 minutes, make up the lost weight with methanol after cooling, filter through a microporous membrane, and take the subsequent filtrate, namely have to.
[0214] (3) Preparation of reference substance solution
[0215] Take an appropriate amount of ephedrine hydrochloride reference substance, add methanol to make a solution containing 0.2mg per 1mL, and obtain it;
[0216] Take an appropriate amount of schisandra alcohol A reference substance, add methanol to make a solution containing 6mg per 1mL, and ob...
Embodiment 3
[0252] Example 3 Establishment of Fingerprint of Yinhuang Qingfei Capsules
[0253] (1) Instruments and reagents
[0254] Shimadzu LC-10ATVP high performance liquid chromatograph, CLASS-VP 5.0 chromatographic workstation; Inertil C18 chromatographic column.
[0255] (2) preparation of need testing solution
[0256] Take about 1 g of the contents of 130216 batches of Yinhuang Qingfei capsules, accurately add 50ml of methanol, weigh, ultrasonically treat for 60 minutes, make up for the lost weight with methanol after cooling, filter through a microporous membrane, and take the subsequent filtrate to obtain .
[0257] (3) Preparation of reference substance solution
[0258] Take an appropriate amount of ephedrine hydrochloride reference substance, add methanol to make a solution containing 0.2mg per 1mL, and obtain it;
[0259] Take an appropriate amount of schisandra alcohol A reference substance, add methanol to make a solution containing 6mg per 1mL, and obtain it;
[026...
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