Method for measuring content of eighteen ingredients of Huangqi Jianzhong Wan (astragalus mongholicus pill for invigorating stomach and regulating middle warmer)
A technology for Astragalus and Zhongwan pills is applied in the field of determination of 18 components in Astragalus Jianzhong pills by ultra-high performance liquid chromatography tandem mass spectrometry, which can solve the problems of complex ingredients, unclear active substances, complex traditional Chinese medicine ingredients, etc., and achieves simple pretreatment and analysis. Short time, good separation effect
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preparation example Construction
[0021] (1) Preparation of the test solution: Take Huangqi Jianzhong Pills, add liquid nitrogen and quickly grind them to powder, accurately weigh 0.25g and 1.5g each in a centrifuge tube, add 1mL of methanol, vortex for 1min to mix, and carry out Sonicate for 20 minutes, centrifuge for 15 minutes under the condition of 13000r / min, take the supernatant, and obtain the test solution No. 1 and No. 2, which are respectively used for mass spectrometry positive and negative ion mode analysis;
[0022] (2) Preparation of reference solution: take formononetin, formononetin, acteosin, acteosin, pterostalane, pteroside, isoflavane, isoliquiritin, liquiritin, liquiritin, licorice times Acid, cinnamic acid, gallic acid, isoflavane, astragaloside Ⅰ, astragaloside Ⅱ, astragaloside Ⅲ and astragaloside Ⅳ reference substances were accurately weighed, placed in a 5mL volumetric flask, and methanol was added to make the concentrations 0.218mg / mL, 0.192mg / mL, 0.27mg / mL, 0.312mg / mL, 0.256mg / mL, 0....
Embodiment 2
[0029] Example 2 Investigation on the determination method of eighteen kinds of ingredients in Huangqi Jianzhong Pills
[0030] The need testing solution of following experiment all adopts following method preparation:
[0031] Take Huangqi Jianzhong Pills, add liquid nitrogen to quickly grind to powder, accurately weigh 0.25g and 1.5g, add methanol 1mL, ultrasonically extract for 20min, centrifuge at 13000r / min for 15min, take the supernatant, and filter through a 0.22μm microporous membrane , that is, the test solution was used for mass spectrometry positive and negative ion mode analysis.
[0032] 1) Establishment of standard curve and linear range test
[0033] Dilute the mixed standard solutions A and B to the respective final concentrations of 80%, 66%, 33%, 12.5%, 5%, 2% of the serial concentrations, using the proposed method, using Waters ACQUITY UPLC HSS T3 (2.1mm ×100mm, 1.8μm) chromatographic column was detected by Agilent 1290 ultra-high performance liquid chroma...
example 3
[0051] Example 3 Detection of Eighteen Components in Huangqi Jianzhong Pills
[0052] Utilize the determination conditions of the eighteen kinds of ingredients established above to measure Huangqi Jianzhong Pills:
[0053] Take Huangqi Jianzhong pills respectively, add liquid nitrogen and quickly grind them to powder, accurately weigh 0.25g and 1.5g, add 1mL of methanol respectively, vortex for 1min to mix, perform ultrasonic treatment for 20min, centrifuge at 13000r / min for 15min, take the upper Clear, that is, the test solution No. 1 and No. 2.
[0054] Waters ACQUITY UPLC HSS T3 liquid chromatographic column, specification: 2.1mm×100mm, 1.8μm as stationary phase, was tested according to the following liquid phase conditions: column temperature was 45°C; injection volume was 5μL; flow rate was 0.25mL / min; acetonitrile and 0.2% formic acid water as the mobile phase.
[0055] Using MRM multiple reaction monitoring mode, ESI ion source, ion source temperature 400 ℃, mass ran...
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