Fingerprint spectrum construction method of traditional Chinese medicine preparation for treating cervical spondylosis and application
A technology of traditional Chinese medicine preparations and fingerprints, applied in the field of medical testing, can solve the problems of weak representation, inability to fully represent the quality control ability of preparations, and narrow coverage.
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[0035] (1) Preparation of the test solution: take an appropriate amount of traditional Chinese medicine preparation for the treatment of cervical spondylosis, grind it into a fine powder, first use pure water for ultrasonic extraction, then use methanol for ultrasonic extraction, and combine the extracts to obtain the test solution;
[0036] (2) Preparation of mixed reference substance solution: Precisely weigh ginsenoside Rg1, ginsenoside Rb1, notoginsenoside R1, ferulic acid, tetrahydropalmatine, notopterygium alcohol, paeoniflorin, oleanolic acid, phenylethyl ferulic acid , isoimperatorin, and 11 kinds of reference substances of falcarindiol, add methanol to configure a mixed reference solution;
[0037] (3) Determination: Accurately measure the need testing solution that step (1) prepares and the reference substance solution that step (2) prepares respectively, inject high-performance liquid chromatography and measure, mobile phase is 0.1% phosphoric acid aqueous solution-a...
Embodiment 1
[0055] 1. Instruments and reagents:
[0056] Shimadzu (LC-2040C 3D) high performance liquid chromatograph; Sartorius 1 / 100,000 electronic analytical balance; fingerprint similarity evaluation software is "Chinese medicine chromatographic fingerprint similarity evaluation system" (National Pharmacopoeia Commission 2004A version); KQ-1000DE CNC ultrasonic instrument; Waters Symmetry Shield RP18 (4.6mm×250mm, 5μm) chromatographic column; The reference substances of oleanolic acid, phenylethyl ferulate, isoimperatorin, and falcarindiol were all purchased from China National Institutes for Food and Drug Control; phosphoric acid, methanol (chromatographically pure, Tianjin Concord); acetonitrile ( Chromatographically pure, Tianjin Concord); experimental water is ultrapure water (18MΩ); neck pain series samples (5 batches of neck pain granules, 5 batches of neck pain tablets, and 5 batches of neck pain capsules) were obtained from Shandong Mingrenfu Ruida Pharmaceutical Co., Ltd.
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