Kangerling granule detection method
A detection method, the technology of Kangerling, applied in the field of quality control of Kangerling granules, can solve the problems of no qualitative detection method for Acanthopanax and insufficient quality control methods
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experiment example 1
[0026] Five batches of Kangerling granules were randomly selected (batch numbers: 20070908-1, 20070913-1, 20071018-1, 20071113-1 and 20070705-1), and this method was repeated for 5 batches of Kangerling granules.
[0027] Take this product and grind it finely, take 20g of powder, add 100ml of absolute ethanol, ultrasonically treat for 30 minutes, filter, evaporate the filtrate to dryness, add 10ml of water to the residue to dissolve, put it in a separatory funnel, and extract it twice with chloroform, each time 15ml, combined chloroform solution, evaporated to dryness, and dissolved the residue in 1ml of methanol as the test solution. Take isoferidin reference substance and add methanol to make a solution containing 0.2mg per 1ml, as the reference substance solution. Test according to thin-layer chromatography (Appendix VIB), draw 15 microliters of the above-mentioned need testing solution, 4 microliters of reference substance solution, point respectively on the same silica ge...
experiment example 2
[0030] Randomly select Kangerling granules of 5 batch numbers (batch numbers are: 20070908-1, 20070913-1, 20071018-1, 20071113-1 and 20070705-1), and the contents of Kangerling granules are subjected to high performance liquid chromatography ( Chinese Pharmacopoeia 2005 edition an appendix VI D) Determination
[0031] [Check] should meet the relevant regulations under the granule (Appendix I C of Chinese Pharmacopoeia 2005 edition).
[0032] 【Content Determination】Determine according to high performance liquid chromatography (Appendix VI D of Chinese Pharmacopoeia 2005 Edition).
[0033] Chromatographic conditions and system suitability test used octadecylsilane bonded silica gel as filler; acetonitrile-water-phosphoric acid (22:78:0.1) as mobile phase; detection wavelength was 283nm. The number of theoretical plates should not be less than 3000 based on the naringin peak.
[0034] Preparation of Reference Substance Solution Accurately weigh an appropriate amount of naringin...
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