Method for detecting active ingredient content of Yushangling capsules
A technology of active ingredients and Yushangling, applied in the field of modern quality control, can solve the problems of inability to guarantee curative effect, inability to control the content of active ingredients in finished products, and inability to control whether the active ingredients of medicinal materials are lost, etc., to achieve the effect of guaranteeing curative effect
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Embodiment 1
[0015] Embodiment 1, determination Yushangling capsule active ingredient content
[0016] 1) Instruments and reagents
[0017] Shimadzu LC-10AT VP liquid chromatograph; Class VP5.03 chromatographic workstation; ultrasonic cleaner KQ-250BKUN Kunshan Ultrasonic Instrument Factory; batch number of petracenin reference substance: (0703-200020), purchased from China Pharmaceutical Biological Products Laboratory; acetonitrile and methanol are HPLC grade.
[0018] 2) Chromatographic conditions
[0019] Chromatographic column: Hypersil ODS, 4.6×200mm (sn US41E08619), with octadecyl bonded silica gel as filler; methanol-water (22:78) as mobile phase; flow rate: 0.9ml / min; detection wavelength: 275nm , the number of theoretical plates should not be less than 4000 based on the peak of petogenin.
[0020] 3) Preparation of solution
[0021] Preparation of reference substance solution: Accurately weigh 10 mg of petracenin reference substance, place it in a 10ml volumetric flask, dissol...
Embodiment 2
[0032] Embodiment 2, the accuracy test of detection method of the present invention
[0033] 1. Prescription of Yushangling Capsules:
[0034] Panax notoginseng 180g safflower 120g Cucumber seeds (stir-fried) 120g
[0035] Ground Beetle 60g Angelica 90g Natural Copper (Calcined) 30g
[0036] Borneol 12g Dipsacus 60g Astilbe 50.4g
[0037] Makes 2408 capsules
[0038] All the required Chinese herbal medicines were purchased from Hebei Anguo Chinese herbal medicine market.
[0039] 2. Production process: (except for special instructions in the process, all are routine operations)
[0040] 1) Accurately weigh Panax notoginseng, safflower, angelica, Dipsacus, and astilbe five herbs according to the prescription amount, mix and pulverize the coarse powder, add 70% ethanol to reflux, add 6 times the amount of ethanol for the first time, extract for 2 hours, second, Add 3 times the amount of ethanol for the third time, extract each for 2 hours, let stand, filter, combine the fil...
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