Nuclear magnetic resonance quality control method for ginseng and astragalus strengthening injection
A quality control method, Shenqi Fuzheng technology, applied in the direction of nuclear magnetic resonance analysis, etc., can solve the problems of undetectable organic acids and sugar compounds, loss of large water-soluble components, cumbersome operation, etc. The method is simple and easy to implement , Strong specificity, high precision effect
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[0035] Embodiment 1: Shenqi Fuzheng Injection 1 Establishment of H-NMR Standard Fingerprint
[0036] 1.1 Instruments and reagents
[0037] BRUKER AVANCE III600 superconducting nuclear magnetic resonance spectrometer, proton excitation frequency 600.23MHz, equipped with BBFO normal phase observation broadband probe and BVT3200 digital temperature controller. American Wilmad WG-5000 NMR sample tube. D. 2 0 deuterium degree>99.8%, American Norell company. 3-(Trimethylsilyl)propionic acid-d4 sodium salt (TSP) deuteration degree>98%, Sigma-Aldrich company. Ten batches of Shenqi Fuzheng Injection (1109539, 1105304, 1104244, 1012733B, 1012732B, 0910522, 0910521, 0808002, 0808001, 0709299) were provided by Limin Pharmaceutical Factory of Livzon Group.
[0038] 1.2 Preparation of Shenqi Fuzheng Injection Test Sample Solution
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