Quality detection method of fallopia multiflora (thunb.) harald-aloe constipation relieving capsules
A Shouhui laxative and capsule technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of constipation, high recurrence rate, obvious side effects of drugs, etc., to meet the needs of medical treatment and the market, Controllable conditions, scientific and reasonable detection methods
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Embodiment 1
[0043] Example 1 HPLC methodological study of 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside
[0044] 1) Drugs and reagents: 2,3,5,4'-tetrahydroxystilbene-2-O-β-D-glucoside reference substance 0081-9304 (National Institute for the Control of Pharmaceutical and Biological Products), acetonitrile and methanol as chromatographic Pure, other reagents were analytically pure, and water was double distilled water.
[0045] 2) Instrument: AgiLent 1100 high performance liquid chromatograph, VWD detector.
[0046] 3) Chromatographic conditions: chromatographic column: KromasiL C18 chromatographic column (4.6mm×250mm, 5μm); mobile phase: acetonitrile-methanol-water (20:8:72); detection wavelength: 320nm; flow rate: 1mL / min.
[0047] 4) Solution preparation
[0048] 4.1) Comparison and determination of sample pretreatment methods
[0049] 4.1.1) Take the contents of Shouhui Laxative Capsules, grind it finely, take about 0.5g, weigh it accurately, put it in a conical flask, add 50mL wa...
Embodiment 2
[0082] Example 2 Research on the High Performance Liquid Phase Determination Methodology of Naringin
[0083] 1) Drugs and reagents: Naringin reference substance 110722-200610 (National Institute for the Control of Pharmaceutical and Biological Products), acetonitrile and methanol are chromatographically pure, other reagents are analytically pure, and water is double distilled water.
[0084] 2) Instrument: AgiLent 1100 HPLC, VWD detector
[0085] 3) Chromatographic conditions: chromatographic column: KromasiL C18 chromatographic column (4.6mm×250mm, 5μm); mobile phase: acetonitrile-0.1% phosphoric acid solution (20:80); detection wavelength: 283nm; flow rate: 1mL / min.
[0086] 4) Solution preparation
[0087] 4.1) Preparation of the test solution
[0088] Take the content of Shouhui Laxative Capsules, grind it finely, take about 0.7g, weigh it accurately, put it in a stoppered Erlenmeyer flask, add 25mL of methanol precisely, weigh it, treat it with ultrasound for 30 minutes,...
Embodiment 3
[0113] Example 3 TLC identification of ginseng in Shouhui Tongbian Capsules
[0114] 1) Preparation of the test solution: take 17g of the contents of the Shouhui laxative capsule, grind it finely, add 30mL of methanol for ultrasonic treatment for 30 minutes, filter, evaporate the filtrate to dryness, add 10mL of water to dissolve the residue, add 80mL of n-butanol and mix well , placed in a separatory funnel, washed 4 times with 5% sodium hydroxide solution, 30 mL each time, discarded the lye, then washed with n-butanol-saturated water until neutral, evaporated the n-butanol solution to dryness, and added 2 mL of methanol to the residue To dissolve, add 1g of alumina and mix well, evaporate the solvent, add to a neutral alumina column (100-200 mesh, 5g, inner diameter 1.5cm), elute with 30mL of water, evaporate the eluent to dryness, add 1mL of methanol to the residue To dissolve, as the test solution.
[0115] 2) Preparation of the reference substance solution: take another ...
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