Method for establishing high-pressure liquid-phase fingerprinting of evodia and extractives thereof
A technology for fingerprinting and establishing a method, applied in the field of drug analysis, can solve the problems of a small number of characteristic peaks, and there is no comprehensive reflection of the fingerprinting technology of Evodia Fructus extracts, etc., and achieves good separation, high quality control precision, and reproducibility. Good results
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Embodiment 1
[0033] Embodiment 1, the method for establishing the HPLC fingerprint of medicinal material Evodia rutaecarpa
[0034] 1 Instruments, samples, reagents and reagents
[0035] 1.1 Instrument: Agilent 1100 high performance liquid chromatograph, DAD detector, Agilent Chemstation chromatographic workstation, chromatographic column: Diamonsil C 18 Column (250 mm x 4.6 mm, 5 μm).
[0036] 1.2 Samples: 21 batches of Evodia rutaecarpa (Juss.) Benth.
[0037] 1.3 Reagents: Methanol is chromatographically pure, water is pure water, and other reagents are analytically pure.
[0038] 2 Methods and results
[0039] 2.1 Preparation of the test solution
[0040]Take about 0.2 g of the sample powder (passed through a 60-mesh sieve) dried to constant weight, accurately weigh it, put it in a 50 mL conical flask with a stopper, add 25 mL of 50% methanol, weigh, and ultrasonically process (power 250W, frequency 33kHz) for 20 Minutes, let cool, weigh, make up for the lost weight, filter, take ...
Embodiment 2
[0047] Example 2, Method for Establishing HPLC Fingerprint of Evodia Evodia Extract
[0048] 1 Instruments, samples, reagents and reagents
[0049] 1.1 Instrument: Agilent 1100 high performance liquid chromatograph, DAD detector, Agilent Chemstation chromatographic workstation, chromatographic column: ZORBAX Eclipse XDB-C 18 (4.6×250mm, 5μm).
[0050] 1.2 Sample: The raw medicinal material of Evodia rutaecarpa (Juss.) Benth.var.bodinieri (Dode) Huang produced in Yuqing, Guizhou is the dry and nearly mature fruit of Evodiarutaecarpa (Juss.) Benth.var.bodinieri (Dode) Huang.
[0051] 1.3 Reagents: Acetonitrile is chromatographically pure, water is pure water, and other reagents are analytically pure.
[0052] 2 Methods and Results
[0053] 2.1 Preparation of Evodia Evodia Extract:
[0054] 2.1.1 Preparation of water extract of Evodia rutaecarpa: Weigh 20 g of Evodia rutaecarpa, reflux extraction with 10 times the amount of water for 3 times, 2 hours each time, combine the fi...
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