Ginkgo biloba leaf extract injection quality control method based on quantitative analysis of multi-components by single marker and fingerprint spectrum
A measurement method and injection technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve the effect of fast measurement method, high precision and good stability
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Embodiment 1
[0057] Determination method of flavonol glycosides in Shuxuening injection
[0058] (1) Preparation of the reference substance solution: respectively accurately weigh rutin (Rutin), kaempferol-3-O-rutinoside (KGR), isorhamnetin-3-O-rutinoside (IGR), kaempferol Phenol-3-O-rhamnose-2-glucoside (KRG), quercetin-3-O-rhamnose-2-O-(6-OL-p-hydroxytrans-cinnamoyl)-glucoside ( QRcG), kaempferol-3-O-rhamnose-2-O-(6-O-p-hydroxytrans-cinnamoyl)-glucoside (KRcG) appropriate amount of reference substance, add methanol to make each 1mL containing 75μg respectively , 70μg, 60μg, 35μg, 75μg, 75μg solutions, as the reference solution;
[0059] (2) High-performance liquid chromatography detection: 10 μL each of Shuxuening injection and reference solution were accurately drawn, and injected into the high-performance liquid chromatography;
[0060] Wherein, the conditions for the liquid chromatography detection are: using octadecylsilane bonded silica gel as filler, acetonitrile as mobile phase ...
Embodiment 2
[0062] Determination method of flavonol glycosides in Shuxuening injection
[0063] (1) Preparation of the reference substance solution: respectively accurately weigh rutin (Rutin), kaempferol-3-O-rutinoside (KGR), isorhamnetin-3-O-rutinoside (IGR), kaempferol Phenol-3-O-rhamnose-2-glucoside (KRG), quercetin-3-O-rhamnose-2-O-(6-OL-p-hydroxytrans-cinnamoyl)-glucoside ( QRcG), kaempferol-3-O-rhamnose-2-O-(6-O-p-hydroxytrans-cinnamoyl)-glucoside (KRcG) appropriate amount of reference substance, add methanol to make each 1mL containing 75μg respectively , 70μg, 60μg, 35μg, 75μg, 75μg solutions, as the reference solution;
[0064] (2) High-performance liquid chromatography detection: 25 μL each of Shuxuening injection and reference solution were accurately drawn, and injected into high-performance liquid chromatography;
[0065] Wherein, the conditions for the liquid chromatography detection are: using octadecylsilane bonded silica gel as filler, acetonitrile as mobile phase A, a...
experiment example 1
[0067] Shuxuening Injection Fingerprint Detection Method Test Results
[0068] Using the detection method in Example 2, the similarity of 13 batches of samples was measured, and the results all met the limit specified in the current standard. See Table 1, fingerprints see image 3 .
[0069] Table 1 Fingerprint Spectrum Determination Results
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