Summary of the invention
The object of the invention is to provide hypertensive pharmaceutical composition of a kind of control and preparation method thereof.
The present invention seeks to be achieved through the following technical solutions:
Crude drug is by weight:
Herba Taxilli 600-900 weight portion Herba Epimedii 500-700 weight portion
The Cortex Eucommiae (stir-fry) 350-450 weight portion Radix Salviae Miltiorrhizae 400-600 weight portion
Radix Puerariae 400-600 weight portion Radix Astragali 350-450 weight portion
Semen Ziziphi Spinosae (stir-fry) 400-600 weight portion Rhizoma Coptidis 200-400 weight portion
Rhizoma Chuanxiong 350-450 weight portion
Optimum ratio is:
The Herba Taxilli 825 weight portion Herba Epimedii 688 weight portion Cortexs Eucommiae (stir-fry) 413 weight portions
The Radix Salviae Miltiorrhizae 550 weight portion Radix Puerariaes 550 weight portion Radixs Astragali 413 weight portions
Semen Ziziphi Spinosae (stir-fry) 550 weight portion Rhizoma Coptidis 248 weight portion Rhizoma Chuanxiongs 413 weight portions
The above-mentioned raw materials medicine can be made any clinical acceptable forms, as tablet, and capsule, granule, oral liquid, subcutaneous administration preparation, suppository etc.
Preparation of drug combination method of the present invention: above nine flavors, Herba Taxilli, Herba Epimedii, Radix Puerariae, Rhizoma Chuanxiong, Semen Ziziphi Spinosae add 50-70% alcohol reflux 2-3 time, and alcohol adding amount 6-12 is doubly, each 1-2 hour, merge extractive liquid, filtered, decompression filtrate recycling ethanol, medicinal liquid is placed standby; Get all the other flavour of a drug such as the Cortex Eucommiae, the Radix Astragali, Rhizoma Coptidis, Radix Salviae Miltiorrhizae, decoct with water 2-3 time, amount of water 6-10 doubly, each 1-2 hour, collecting decoction filtered, concentrating under reduced pressure merges with above-mentioned medicinal liquid, is concentrated into close relatively 1.12~1.15/60 ℃ clear paste, with the spray drying method for preparation dry extract, make clinical acceptable forms, as tablet, capsule, granule, oral liquid, the subcutaneous administration preparation, suppository etc.
Comprise in the method for quality control of granule of the present invention and differentiating and/or assay.
Discriminating comprises one or more in the following method:
A. get this product 3g, porphyrize adds 1-2: 1-2 methanol-water 60ml, supersound process 20 minutes, power 50W, operating frequency 30KHz filters, filtrate is concentrated into about 20ml, adds water 10ml dilution, adds 5-10% sulphuric acid 0.5mL, boiling reflux 1-1.5 hour, put coldly, move in the separatory funnel, with ethyl acetate extraction 2-3 time, each 30ml merges ethyl acetate liquid, water bath method, residue add ethyl acetate 5ml makes dissolving, as need testing solution.Other gets Herba Taxilli medicinal powder 3g, shines medical material solution in pairs with legal system.Get the Quercetin reference substance again, add the ethyl acetate dissolving, make the solution that every 1ml contains 0.5mg, in contrast product solution.Test according to thin layer chromatography (Chinese Pharmacopoeia version-appendix VI B of portion in 2000), draw need testing solution, each 6 μ l of medical material reference substance solution, reference substance solution 2 μ l, put respectively on same high-efficient silica gel G lamellae, with 4-6: 3-4 :-2 water saturation toluene-ethyl acetate-formic acid are developing solvent, launch, take out, dry, spray is put under the ultra-violet lamp (365nm) and is inspected with 5% aluminum chloride alcoholic solution.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical yellow fluorescence speckle.
B. get this product 2g, porphyrize adds 70% ethanol 50ml, supersound process 20-40 minute, filters, water-bath is steamed to there not being the alcohol flavor, adds water 10ml dilution, adds sodium chloride to saturated, 10-15ml ether extraction 3-5 time, merge ether solution, fling to ether, residue adds ethanol 2ml makes dissolving, as need testing solution.Other gets the protocatechualdehyde reference substance and adds ethanol and make the solution that every 1ml contains 1.5mg, in contrast product solution.Test according to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B), draw reference substance solution 2 μ l, need testing solution 6 μ l, put respectively in same be on the lamellae of silica gel G of adhesive with the carboxymethyl cellulose, with 8-6: 1-2: 1-2 chloroform one acetone one formic acid is developing solvent, launches, and takes out, dry, spray is with 2% ferric chloride alcoholic solution.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical dirty green speckle.
C. get this product 1g, porphyrize adds 60-80% soak with ethanol 10-20min, 60-40ml supersound process 2-3 time, each 20-40 minute, merge extractive liquid,, water-bath is evaporated to about 5ml, mix thoroughly with the 0.5g polyamide, water bath method is put the polyamide column of having handled well, in, it is colourless earlier to be washed till effluent with distilled water, extremely colourless with the 60-80% ethanol elution again, continues with the 80-90% ethanol elution to colourless, collect ethanol elution, steam to there not being the alcohol flavor with water-bath, put cold, with hydrochloric acid solution adjust pH to 2, move in the separatory funnel with 10-15ml ethyl acetate extraction 2-3 time, merge ethyl acetate liquid water bath method, residue adds 70% ethanol 2ml makes dissolving, as need testing solution.Other gets the puerarin reference substance and adds methanol and make the solution that every 1ml contains 2mg, in contrast product solution.Test according to thin layer chromatography (first appendix VIB of Chinese Pharmacopoeia version in 2000), draw reference substance solution 2 μ l, need testing solution 6 μ l, put respectively on same silica gel H lamellae, with 6-8: 2-4: 1-2 chloroform-methanol-subsurface layer solution is developing solvent, launch, take out, dry, put in the ammonia smoked after, under ultra-violet lamp (365nm), inspect.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical sapphirine fluorescence speckle.
D. get this product 2g, add methanol 50ml, supersound process 20-40 minute, filter, filtrate water bath method, residue add water 20ml makes dissolving, extracts 2-4 time with the 15-20ml water-saturated n-butanol, merge n-butyl alcohol liquid, with 10-15ml ammonia solution washing 2-3 time, discard the aqueous alkali layer, the n-butanol layer water bath method, residue adds water 5ml makes dissolving, passes through D
101The type macroporous adsorptive resins, earlier colourless to be washed to effluent, it is colourless to be washed till effluent with 20-40% ethanol again, continues with 50-70% ethanol 50ml eluting, collects eluent, and water bath method, residue add methanol 2ml makes dissolving, as need testing solution.Other gets the astragaloside reference substance and adds methanol and make the solution that every 1ml contains 1.6mg, in contrast product solution.Test according to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B), draw need testing solution 8ul, reference substance solution 4ul, put respectively on same silica gel g thin-layer plate, with 11-14: 5-9: lower floor's solution of 1-2 chloroform-methanol-water is developing solvent, launches, take out, dry, spray is with the 5-10% ethanol solution of sulfuric acid, and it is clear to be heated to speckle colour developing at 100-105 ℃.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, daylight shows down identical sepia speckle, ultra-violet lamp (365nm) shows identical orange-yellow fluorescence speckle down.
E. get this product 2g, porphyrize adds methanol 20ml, and supersound process 10-30 minute, filter, filtrate evaporate to dryness, residue add methanol 5ml makes dissolving, as need testing solution.Other gets Rhizoma Coptidis control medicinal material 0.1g, shines medical material solution in pairs with legal system.Get the berberine hydrochloride reference substance again and add methanol and make the solution that every 1ml contains 0.4mg, in contrast product solution.Test according to thin layer chromatography (appendix VIB of Chinese Pharmacopoeia version in 2000), draw each 2 μ l of above-mentioned three kinds of solution, put respectively on same silica gel g thin-layer plate, with 5-7: 2-4: 2-4: 1-2: 0.5-1 benzene-ethyl acetate-isopropyl alcohol-methanol-ammonia is developing solvent, puts in the chromatography cylinder of ammonia saturated with vapor, after pre-equilibration 10-20 minute, launch, take out, dry, put under the ultra-violet lamp (365nm) and inspect.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical yellow fluorescence speckle.
F. get the need testing solution differentiated under the d item as need testing solution.Other gets jujuboside A and adds methanol and make the solution that every 1ml contains 1mg, in contrast product solution.According to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B) test, draw need testing solution 6 μ l, reference substance solution 4 μ 1, put respectively on same silica gel g thin-layer plate, with 3-5: 1-2: 5-3 n-butyl alcohol-glacial acetic acid-layer solution waterborne is developing solvent, launches, take out, dry.Spray is with 2% vanillin ethanol solution of sulfuric acid, and it is clear that hot blast blows to the speckle colour developing.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical glaucous speckle.
Assay: measure according to high performance liquid chromatography (first appendix VI of Chinese Pharmacopoeia version in 2000 D).
Strong to close silica gel be filler with octadecylsilane for chromatographic condition and system suitability test, and 20-25: 75-80 acetonitrile-water is mobile phase, and detections wavelength is 270nm, and number of theoretical plate should be not less than 1500 by the calculating of icariin peak.It is an amount of that the preparation precision of reference substance solution weighs the icariin reference substance, adds methanol and make the solution that every 1ml contains 43.04 μ g, promptly.This product porphyrize is got in the preparation of need testing solution, about 0.3g, the accurate title, decide, and adds 60-80% ethanol 100ml, ultra-sonic dispersion 1-3 minute, heating and refluxing extraction 1-1.5 hour, filter, with a small amount of washing container of 60-80% ethanol and filtering residue, washing liquid and extracting solution merge, water bath method, residue add water 5ml makes dissolving, puts in the polyamide column of having handled well, it is colourless earlier to be washed till effluent with water 40ml, with 80-95% ethanol 150ml eluting, collect alcohol eluen, water bath method again, residue adds 60-80% ethanol makes dissolving, and be settled to 10ml, with the microporous filter membrane filtration of 0.5 μ m, as need testing solution.Algoscopy, accurate respectively reference substance solution and each 20 μ l of need testing solution of drawing inject high performance liquid chromatograph, measure, and calculate, promptly.The every g of this product contains Herba Epimedii with icariin (C
33H
40O
15) must not count and be lower than 1.70mg.
Described polyamide column is 60~80 orders, 2.5g or 3g, column internal diameter 1.5cm, wet method upper prop.
Pharmaceutical composition of the present invention (a Sang Xian blood pressure lowering material) pharmacodynamic study shows: clear-headed spontaneous hypertensive rat single oral Sang Xian blood pressure lowering granule 2,4,8g crude drug/kg, behind renal hypertension dog single oral 1.25,2.5, the 5g crude drug/kg, blood pressure all obviously reduces, and during blood pressure lowering heart rate is not had obvious influence.Once a day, continuous 14 days oral administrations, blood pressure descends gradually after administration every day, does not produce obvious drug resistance, and 1-2 days blood pressures return to the control period level after the drug withdrawal, no rebound phenomenon; After the anesthetized open-chest dog duodenum gave Sang Xian blood pressure lowering granule 1.25,2.5,5g crude drug/kg, blood pressure had downward trend, and the acting of left chamber obviously reduces, and coronary circulation is not had obvious influence; The oral Sang Xian blood pressure lowering of mice granule 3,6,12g crude drug/kg do not have obvious sedation to the central nervous system.
Following experimental example is used to further specify the present invention.
Embodiment one, to the blood pressure lowering of hypertension model animal experiment
(1) to the hypotensive effect of SHR
1. the acute hypotensive effect of single-dose
SHR body weight 229 ± 44g, the male and female dual-purpose, before the pressure measurement rat is put into 36 ± 1 ℃ of electrothermostat internal heating, use CRB-III type rat computer blood pressure cardiotachometer (Shanghai Research Institute of Hypertension's production) indirect determination rat arteria caudalis systolic pressure (SBP) and heart rate (HR) behind the 10min.Formally test preceding pressure measurement every day once, about 2 weeks.Treat that rat conforms, and experimentizes behind the blood pressure stabilization.SHR is divided into 5 groups at random by blood pressure, body weight, and 8 every group, male and female half and half.Gavage distilled water, Sang Xian blood pressure lowering 2,4,8g crude drug/kg and positive control drug Bezoar pill for lowering blood pressure 0.8g ball weight/kg respectively, volume is 1ml/100g, measure before the administration and after the administration 1,2,3,4,6, blood pressure and the heart rate of 8h.The result shows that the blood pressure of matched group and heart rate do not have significant change in the 8h of observation.After gavaging Sang Xian blood pressure lowering 2,4,8g crude drug/kg, systolic pressure begins obvious decline from 1h, the 2h peaking, the maximum reducing value is respectively 10 ± 4,17 ± 9,20 ± 10mmHg, hypotensive effect is maintained until after the administration 3,3, more than the 4h, 6h all returns to the preceding level of administration after the administration, and blood pressure lowering effectiveness, action time become positive correlation with dosage.Blood pressure also obviously descends after giving positive drug Bezoar pill for lowering blood pressure 0.8g/kg, more than the lasting 3h of hypotensive effect.The Sang Xian blood pressure lowering and the Bezoar pill for lowering blood pressure of above-mentioned dosage do not have obvious influence to the SHR heart rate.
2. the experimental therapy of multiple dosing experiment
Behind 5 days control period blood pressure stabilizations, gavage Sang Xian blood pressure lowering 2,4,8g crude drug/kg/d to SHR, positive drug Bezoar pill for lowering blood pressure 0.8g ball weight/kg/d, the blank group gavages distilled water, and continuous 14 days, the next day, measured before the administration on the same day and SBP and the HR of 2h after the administration.And after drug withdrawal, continue to observe 3 days.The result as can be seen, matched group blood pressure and heart rate volatility are little.After gavaging Sang Xian blood pressure lowering 2,4,8g crude drug/kg/d, blood pressure before interior administration every day of treatment phase (before the administration) is compared there was no significant difference with the control period meansigma methods, 2h institute measuring blood pressure obviously descends after administration every day, 14 days average drop-out values are respectively 7 ± 5,11 ± 6,20 ± 3mmHg, each dosage group blood pressure respectively at the last administration after 24h return to the control period level, the animal heart rate volatility is little during blood pressure lowering.Gavage positive drug Bezoar pill for lowering blood pressure 0.8g ball weight/kg/d; 2h institute measuring blood pressure obviously descends after administration every day; blood pressure also obviously descends before the beginning administration in the 5th day; the preceding SBP's 12 ± 7mmHg of interior administration every day of 14 days treatment phases has on average descended; average 19 ± the 9mmHg that descends after administration every day, heart rate volatility is little.Each treated animal body weight change there was no significant difference in the treatment phase.
Experimental example two,To the hemodynamic influence of anesthetized open-chest dog
Body weight 13 ± 2 (9-16) kg adult healthy hybrid dog, the male and female dual-purpose.Intravenous injection 3% pentobarbital sodium 30mg/kg anesthesia.Tracheal intubation connects SC-3 type electric pulmotor pedestrian worker positive pressure respiration.Left side IV intercostal is opened breast, exposes heart, separates aortic root, and the electromagnetic flowmeter of diameter 12 or 14mm (FC-120/140T) probe is measured ABF through MFV-3200 type electromagnetic blood flow meter on the card, represents cardiac output (CO) with this; Separate LCA, the electromagnetic flowmeter of diameter 2 or 3mm (FC-020/030T) probe is measured coronary flow (CBF) through MFV-3200 type electromagnetic blood flow meter on the card; The apex intubate connects the AP-641G blood pressure amplifier through TP-400T type pressure transducer and measures left indoor pressure (LVSP) to left ventricle; And with LVSP electric signal input EQ-601G pressure processor, maximum rising of mensuration left indoor pressure and fall off rate (± LVdp/dtmax); Separate femoral artery, intubate connects the AP-641G blood pressure amplifier through TP-400T type pressure transducer and measures systolic pressure (SBP), diastolic pressure (DBP), mean arterial pressure (MBP) to ventral aorta; The subcutaneous insertion needle electrode of extremity through AC-601G ecg amplifier measurement standard II lead electrocardiogram (ECG II), and with ECG electric signal input AT-601G cardiotachometer, is measured heart rate (HR).Above-mentioned observation index synchronous recording is led on the RTA-1200 type heat battle array monitor of physiograph in RM-6300 type eight.Simultaneously HR, SBP, DBP, MBP, LVSP are deposited in the disk of VM-187G type memorizer, dynamic observe and the controlled experiment process in the variation of heart rate and blood pressure.Femoral venous catheter separately, venoclysis 0.9%NaCl 30ml/h; Open abdomen, duodenal administration, administration capacity 1ml/kg.
Operation finishes and treats the preceding value of the stable back of every index record medicine, give Sang Xian blood pressure lowering 2.5,5g crude drug/kg then respectively, the blank group gives distilled water, and positive controls gives propranolol 2mg/kg, the record administration after 15,30,60,90, above-mentioned all the index of 120min.By formula derive and calculate cardiac index (CI), the acting of left chamber (LVW) and total peripheral resistance (TPR), experiment finishes back sacrificed by exsanguination animal, cut heart and weigh, with 1/3 heart recast is LC drain district, calculate the blood flow (CF) of every hectogram cardiac muscle, and by formula derive and calculate coronary resistance (CR).Experimental data with mean ± standard deviation (expression of X ± SD), with paired t-test relatively before the administration with administration after the significance of mean difference, the results are shown in Table 1-5.
1. to blood pressure, heart rate and Electrocardiographic influence
The anesthetized open-chest dog duodenum gives SBP, DBP behind the distilled water, HR and compares no significant change with ECG II in 120min with before the administration.
SBP, DBP: duodenum gives Sang Xian blood pressure lowering 2.5,5g crude drug/kkg, and SBP, DBP have the trend of reduction, but with administration before relatively, there was no significant difference.
HR, ECG II: the Sang Xian blood pressure lowering does not all have obvious influence to heart rate and ECG II waveform.
The positive drug propranolol obviously brings high blood pressure down, decreased heart rate.
2. to the influence of left ventricular function
Anesthetized open-chest dog give 120min LVSP behind the distilled water, ± LVdp/dtmax, LVW, LVdp/dt/P do not have significant change.
LVSP: duodenum gives Sang Xian blood pressure lowering 2.5,5g crude drug/kg, and LVSP all has the trend of reduction, but with administration before relatively, no significant difference.
LVEDP: the Sang Xian blood pressure lowering does not have obvious influence to LVEDP.
LVW: duodenum gives Sang Xian blood pressure lowering 2.5g crude drug/kg, and LVW has a declining tendency, but with administration before compare there was no significant difference; 45min LVW obviously descends behind 5g crude drug/kg medicine, acts on more than the lasting 120min.Show that the Sang Xian blood pressure lowering reduces the acting of left chamber, has certain inhibitory action to heart.
± LVdpdtmax: the Sang Xian blood pressure lowering is right ± and LVdp/dtmax do not have obvious influence.
LVdp/dtmax/P (P refers to LVSP): duodenum gives Sang Xian blood pressure lowering 2.5,5g crude drug/kg does not have obvious influence to LVdp/dtmax/P, illustrates that this medicine does not have obvious influence to the contractile function of left ventricle.
The positive drug propranolol obviously reduce LVSP, ± LVdpdtmax and LVW, LVEDP, LVdp/dtmax/P are not had influence.
3. to the influence of cardiac pumping function and total peripheral resistance
The anesthetized open-chest dog duodenum gives that 120min CO, CI and TPR do not have significant change behind the distilled water.
CO, CI: duodenum gives the Sang Xian blood pressure lowering does not have obvious influence to CO, CI.
TPR: duodenum gives the Sang Xian blood pressure lowering does not have obvious influence to TPR.
The positive drug propranolol obviously reduces CO, CI, and TPR is not had obvious influence.
4. to the influence of coronary flow and arteria coronaria resistance
Duodenum gives Sang Xian blood pressure lowering 2.5,5g crude drug/kg CF, CR has no significant change.
Gains in depth of comprehension are equipped with the trend that reduces CF, and CR is not had influence.
Experimental example three, to the influence of the nervous plain I of renal hypertensive rat blood plasma medium vessels, Angiotensin II and aldosterone content
Treating excess syndrome tests one, the rat of administration in the time of 20 days, the 2h eye socket is got blood behind medicine, blood is joined in vitro off-the-shelf, centrifugal, separated plasma.Adopt the homogeneous phase competition law directly to measure, add blood plasma and various mensuration reagent successively, measure with radioimmunity r-enumerator at last, calculate the nervous plain I of each treated animal blood plasma medium vessels, the content of Angiotensin II and aldosterone the results are shown in Table 6.
Experimental result shows, Sang Xian 2,4g crude drug/kg have the trend that reduces renal hypertensive rat angiotensin I, Angiotensin II and aldosterone, strengthen along with dosage strengthens its effect, the 8g crude drug/the kg group is compared angiotensin I with matched group, Angiotensin II has notable difference.
Embodiment 1:
The Herba Taxilli 825g Herba Epimedii 688g Cortex Eucommiae (stir-fry) 413g
Radix Salviae Miltiorrhizae 550g Radix Puerariae 550g Radix Astragali 413g
Semen Ziziphi Spinosae (stir-fry) 550g Rhizoma Coptidis 248g Rhizoma Chuanxiong 413g
More than nine flavors, Herba Taxilli, Herba Epimedii, Radix Puerariae, Rhizoma Chuanxiong, Semen Ziziphi Spinosae add twice of 60% alcohol reflux (12,7 times of alcohol adding amounts), 2 hours for the first time, 1.5 hours for the second time, merge extractive liquid, filtered, decompression filtrate recycling ethanol, medicinal liquid is placed standby; Get all the other flavour of a drug such as the Cortex Eucommiae, the Radix Astragali, Rhizoma Coptidis, Radix Salviae Miltiorrhizae, decoct with water twice (amount of water 10,8), 1.5 hours for the first time, 1.5 hours for the second time, collecting decoction filtered, concentrating under reduced pressure merges with above-mentioned medicinal liquid, is concentrated into the clear paste of relative density 1.12~1.15 (60 ℃), with the spray drying method for preparation dry extract, get 3 parts of dry extracts, add 1 part in dextrin, aspartame 3.5%, behind the mix homogeneously, dry granulation, granulate is made 1000g, promptly.
Embodiment 2: the method for quality control of medicament composition granule agent of the present invention:
A. get this product 3g, porphyrize adds 1: 1 methanol-water 60ml, supersound process [power 50W, operating frequency 30KHz] 20 minutes filters, filtrate is concentrated into about 20ml and adds water 10ml dilution, adds 10% sulphuric acid 0.5mL, boiling reflux 1 hour, put coldly, move in the separatory funnel, with ethyl acetate extraction 2 times, each 30ml merges ethyl acetate liquid, water bath method, residue adds ethyl acetate 5ml makes dissolving, as need testing solution.Other gets Herba Taxilli medicinal powder 3g, shines medical material solution in pairs with legal system.Get the Quercetin reference substance again, add the ethyl acetate dissolving, make the solution that every 1ml contains 0.5mg, in contrast product solution.Test according to thin layer chromatography (Chinese Pharmacopoeia version-appendix VI B of portion in 2000), draw need testing solution, each 6 μ l of medical material reference substance solution, reference substance solution 2 μ l, putting respectively on same high-efficient silica gel G lamellae, is developing solvent with 5: 4: 1 water saturation toluene-ethyl acetate-formic acid, launches, take out, dry, spray is put under the ultra-violet lamp (365nm) and is inspected with 5% aluminum chloride alcoholic solution.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical yellow fluorescence speckle.
B. get this product 2g, porphyrize adds 70% ethanol 50ml, supersound process (power 50W, operating frequency 30KHz) 30 minutes filters, water-bath is not steamed to there being alcohol and is distinguished the flavor of,, add water 10ml dilution, add sodium chloride to saturated, 15ml, 15ml, 10ml, 10ml ether extraction 4 times merge ether solution, fling to ether, residue adds ethanol 2ml makes dissolving, as need testing solution.Other gets the protocatechualdehyde reference substance and adds ethanol and make the solution that every 1ml contains 1.5m g, in contrast product solution.Test according to thin layer chromatography (appendix VIB of Chinese Pharmacopoeia version in 2000), draw reference substance solution 2 μ l, need testing solution 6 μ l, put respectively in same be on the lamellae of silica gel G of adhesive with the carboxymethyl cellulose, with 8: 1: 1 chloroform one acetone one formic acid was developing solvent, launched, and took out, dry, spray is with 2% ferric chloride alcoholic solution.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical dirty green speckle.
C. get this product 1g, porphyrize, add 70% soak with ethanol 15min, 60ml, 40ml supersound process 2 times, each 30 minutes, power 50W, operating frequency 30KHz merge extractive liquid,, water-bath are evaporated to about 5ml, mix thoroughly with the 0.5g polyamide, water bath method, put the polyamide column of having handled well, in, it is colourless to be washed till effluent with distilled water earlier, extremely colourless with 70% ethanol elution again, it is extremely colourless with 90% ethanol elution to continue, and collects ethanol elution, steams to there not being pure flavor with water-bath, put cold, with hydrochloric acid solution adjust pH to 2, move in the separatory funnel with 15ml, 10ml ethyl acetate extraction 2 times merges ethyl acetate liquid water bath method, residue adds 70% ethanol 2ml makes dissolving, as need testing solution.Other gets the puerarin reference substance and adds methanol and make the solution that every 1ml contains 2mg, in contrast product solution.Test according to thin layer chromatography (first appendix VI of Chinese Pharmacopoeia version in 2000 B), draw reference substance solution 2 μ l, need testing solution 6 μ l, put respectively on same silica gel H lamellae, with 8: 3.5: 1 chloroform one methanol one subsurface layer solution was developing solvent, launch, take out, dry, put in the ammonia smoked after, under ultra-violet lamp (365nm), inspect.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical sapphirine fluorescence speckle.
D. get this product 2g, add methanol 50ml, supersound process 30 minutes, power 50W, operating frequency 30KHz filters, filtrate water bath method, residue add water 20ml makes dissolving, extracts 4 times with 20ml, 20ml, 15ml, 15ml water-saturated n-butanol, merge n-butyl alcohol liquid, with 15ml, the washing of 15ml ammonia solution 2 times, discard the aqueous alkali layer, the n-butanol layer water bath method, residue adds water 5ml makes dissolving, by the long 15cm D of internal diameter 1.5cm
101The type macroporous adsorptive resins, earlier colourless to be washed to effluent, it is colourless to be washed till effluent with 30% ethanol again, continues with 70% ethanol 50ml eluting, collects eluent, and water bath method, residue add methanol 2ml makes dissolving, as need testing solution.Other gets the astragaloside reference substance and adds methanol and make the solution that every 1ml contains 1.6mg, in contrast product solution.Test according to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B), draw need testing solution 8ul, reference substance solution 4ul, putting respectively on same silica gel g thin-layer plate, is developing solvent with lower floor's solution of 13: 7: 2 chloroform-methanol-water, launches, take out, dry, spray is with 10% ethanol solution of sulfuric acid, and it is clear to be heated to speckle colour developing at 105 ℃.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, daylight shows down identical sepia speckle, ultra-violet lamp (365nm) shows identical orange-yellow fluorescence speckle down.
E. get this product 2g, porphyrize adds methanol 20ml, supersound process 20 minutes, and power 50W, operating frequency 30KHz filters, and filtrate evaporate to dryness, residue add methanol 5ml makes dissolving, as need testing solution.Other gets Rhizoma Coptidis control medicinal material 0.1g, shines medical material solution in pairs with legal system.Get the berberine hydrochloride reference substance again and add methanol and make the solution that every 1ml contains 0.4mg, in contrast product solution.Test according to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B), draw each 2 μ l of above-mentioned three kinds of solution, put respectively on same silica gel g thin-layer plate, with 6: 3: 3: benzene-ethyl acetate-isopropyl alcohol-methanol-ammonia was developing solvent in 1.5: 0.8, put in the chromatography cylinder of ammonia saturated with vapor, and pre-equilibration is after 15 minutes, launch, take out, dry, put under the ultra-violet lamp (365nm) and inspect.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical yellow fluorescence speckle.
F. get the need testing solution differentiated under the d item as need testing solution.Other gets jujuboside A and adds methanol and make the solution that every 1ml contains 1mg, in contrast product solution.According to thin layer chromatography (an appendix VI of Chinese Pharmacopoeia version in 2000 B) test, draw need testing solution 6 μ l, reference substance solution 4 μ l, putting respectively on same silica gel g thin-layer plate, is developing solvent with 4: 1: 5 n-butyl alcohol-glacial acetic acid-layer solution waterborne, launches, take out, dry.Spray is with 2% vanillin ethanol solution of sulfuric acid, and it is clear that hot blast blows to the speckle colour developing.In the test sample chromatograph, with the corresponding position of reference substance chromatograph on, show identical glaucous speckle.
Assay: measure according to high performance liquid chromatography (first appendix VI of Chinese Pharmacopoeia version in 2000 D).
Strong to close silica gel be filler with octadecylsilane for chromatographic condition and system suitability test, and 24: 76 acetonitrile-water is mobile phase, and detections wavelength is 270nm, and number of theoretical plate should be not less than 1500 by the calculating of icariin peak.It is an amount of that the preparation precision of reference substance solution weighs the icariin reference substance, adds methanol and make the solution that every 1ml contains 43.04 μ g, promptly.This product porphyrize is got in the preparation of need testing solution, about 0.3g, and accurate the title, decide, add 70% ethanol 100ml, ultra-sonic dispersion 2 minutes, power 50W, operating frequency 30KHz, heating and refluxing extraction 1 hour filters, with a small amount of washing container of 70% ethanol and filtering residue, washing liquid and extracting solution merge, water bath method, residue add water 5ml makes dissolving, puts in the polyamide column of having handled well, it is colourless earlier to be washed till effluent with water 40ml, with 90% ethanol 150ml eluting, collect alcohol eluen, water bath method again, residue adds 70% ethanol makes dissolving, and be settled to 10ml, with the microporous filter membrane filtration of 0.5 μ m, as need testing solution.Algoscopy, accurate respectively reference substance solution and each 20 μ l of need testing solution of drawing inject high performance liquid chromatograph, measure, and calculate, promptly.The every g of this product contains Herba Epimedii with icariin (C
33H
40O
15) must not count and be lower than 1.70mg, every bag of 6g, three times on the 1st, 1 6g.