Canzhiling oral solution fingerprint map building method, fingerprint map and application thereof
A technology of Shenzhiling oral liquid and fingerprints, which is applied in the field of traditional Chinese medicine fingerprint analysis, can solve the problems of incomplete quality of medicines and inability to reflect the integrity characteristics of traditional Chinese medicine compound preparations, and achieve reduced manual processing, good absorption value, and high degree of separation Good results
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Embodiment 1
[0043] Example 1: Construction and methodological verification of fingerprints of Shenzhiling Oral Liquid
[0044] The specific steps are:
[0045] (1) Preparation of the test solution: Precisely measure 1.25ml of Shenzhiling Oral Liquid in a 25ml volumetric flask, add methanol to the volume, ultrasonically extract for 5min, place in a refrigerator at 4°C for 0.5 hour, return to room temperature, After filtering through a 0.22μm organic filter membrane, the test solution diluted 20 times can be obtained.
[0046] (2) Preparation of reference substance solution:
[0047] Accurately weigh 0.0103 g of cinnamic acid standard (batch number: 110786-200503), put it in a 100 mL volumetric flask, add methanol to dissolve and dilute to the mark to obtain a cinnamic acid solution with a concentration of 0.103 mg / mL.
[0048] Accurately weigh 0.0302 g of standard paeoniflorin (batch number: MUST-13030401), put it in a 10 mL volumetric flask, add methanol to dissolve and dilute to the ma...
Embodiment 2
[0066] Example 2: Quality Control of Shenzhiling Oral Liquid by Fingerprint
[0067] Carry out the quality control of Shenzhiling Oral Liquid by fingerprint, the specific method comprises the following steps:
[0068] (1) Construction of the fingerprint of the Shenzhiling oral liquid to be tested: get 11 batches of samples of the Shenzhiling oral liquid to be tested, and construct the fingerprint of the Shenzhiling oral liquid to be tested according to the method in Example 1;
[0069] (2) Using the "Chinese medicine chromatographic fingerprint similarity evaluation system" software to match the chromatographic peaks of the HPLC fingerprints of 11 batches of Shenzhiling oral liquid samples. Select S1 (sample numbered 1) as the reference spectrum, and the generated control fingerprint is R. Table 3 shows the similarity results between the fingerprints of each batch of samples and the control fingerprints and the fingerprints of each sample.
[0070] Table 3 Similarity value o...
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