CN102293925B - Preparation method of Jiangzhiling tablets - Google Patents
Preparation method of Jiangzhiling tablets Download PDFInfo
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- CN102293925B CN102293925B CN 201110247781 CN201110247781A CN102293925B CN 102293925 B CN102293925 B CN 102293925B CN 201110247781 CN201110247781 CN 201110247781 CN 201110247781 A CN201110247781 A CN 201110247781A CN 102293925 B CN102293925 B CN 102293925B
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Abstract
The invention discloses a preparation method of Jiangzhiling tablets. The method employs the technology of integrated membrane filter pressing circulating extraction and separation to replace present decocting method and reflux method to extract the effective ingredients of prescribed medicinal materials. With the method of the invention, the technological process is simplified, the production period is greatly shortened, and the energy consumption is saved, thus benefiting for environmental protection and waste residue utilization. Besides, the method provided in the invention can reduce the consumption of the extraction solvent ethanol and substantially enhance the recovery rate of effective ingredients.
Description
Technical field
The invention belongs to pharmaceutical field, relate to a kind of preparation method of Chinese medicine preparation.
Background technology
Record of Chinese Pharmacopoeia version in 2010: JIANGZHILINGPIAN has the effect of the liver and the kidney tonifying, nourishing blood for improving eyesight, and clinical in deficiency of the liver and kindey type hyperlipidemia, disease is seen dizziness, and is dizzy, early whitening of beard and hair.Its prescription is Radix Polygoni Multiflori Preparata 222g, Fructus Lycii 222g, Rhizoma Polygonati 296g, Fructus Crataegi 148g, Semen Cassiae 44g.Its preparation method is that Rhizoma Polygonati, Fructus Lycii are decocted with water secondary, 2 hours for the first time, and 1 hour for the second time, filter, filtrate is condensed into thick paste, and is standby; Three flavors such as all the other Radix Polygoni Multiflori Preparatas extract secondary with 50% alcohol heating reflux, each 1 hour, filter merging filtrate, reclaim ethanol and be condensed into thick paste, merge with above-mentioned thick paste, it is an amount of to add starch, mixing, granule processed is pressed into 1000, sugar coating or film-coat, namely.Adopt decocting method and circumfluence method to extract the effective ingredient of prescription medical material in the said method respectively, have that technology is loaded down with trivial details, extraction time long, extract the temperature height, energy consumption height, thermal sensitivity composition easily lose, shortcomings such as the effective ingredient response rate is low, post processing trouble.
Summary of the invention
In view of this; the object of the present invention is to provide a kind of method of utilizing membrane filter pressing circulation extraction isolation integral technology to prepare JIANGZHILINGPIAN; not only can simplify technological process; significantly shorten the production cycle; energy efficient; be beneficial to environmental conservation and waste residue utilization, and can greatly improve the response rate of effective ingredient.
For achieving the above object, the invention provides following technical scheme:
The preparation method of JIANGZHILINGPIAN, made by following raw materials by weight proportions: 44 parts of 222 parts of Radix Polygoni Multiflori Preparatas, 222 parts of Fructus Lycii, 296 parts of Rhizoma Polygonatis, 148 parts of Fructus Crataegis and Semen Cassiaes may further comprise the steps:
A. the extraction of Rhizoma Polygonati and Fructus Lycii
A1. Rhizoma Polygonati and Fructus Lycii are mixed, be ground into coarse powder, standby;
A2. in material-compound tank, add water, be heated to 50-90 ℃ and insulation; Three-way valve is switched to the material-compound tank position, water in the material-compound tank is pumped into diaphragm filter press, when passing back into material-compound tank to pressing filtering liquid, under stirring condition, in material-compound tank, add step a1 gained medicated powder, finish, under 50-90 ℃ condition, carry out the membrane filter pressing circulation first time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, in material-compound tank, add water, under 50-90 ℃ condition, carry out the membrane filter pressing circulation second time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution A;
B. the extraction of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae
B1. Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae are mixed, be ground into coarse powder, standby;
B2. in material-compound tank, add 40-50% ethanol; Three-way valve is switched to the material-compound tank position, 40-50% ethanol in the material-compound tank is pumped into diaphragm filter press, when passing back into material-compound tank to pressing filtering liquid, under stirring condition, in material-compound tank, add step b1 gained medicated powder, finish, carry out the membrane filter pressing circulation first time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, in material-compound tank, add 40-50% ethanol, carry out the membrane filter pressing circulation second time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution B;
C. preparation
The extracting solution A of step a2 gained is condensed into thick paste; With the extracting solution B decompression recycling ethanol of step b2 gained and be condensed into thick paste; Above-mentioned two kinds of thick pastes are merged, add starch, mixing, granule processed, tabletting, sugar coating or film-coat namely get JIANGZHILINGPIAN.
Preferably, described step a2 adds earlier to be equivalent to Rhizoma Polygonati and Fructus Lycii gross weight 6-8 water doubly, carries out the membrane filter pressing circulation first time and extract under 55-65 ℃ condition, and extraction time is 30-40 minute; Add and be equivalent to Rhizoma Polygonati and Fructus Lycii gross weight 2.5-4.5 water doubly, carry out the membrane filter pressing circulation second time and extract under 55-65 ℃ condition, extraction time is 10-20 minute;
Described step b2 adds earlier to be equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 6-8 45% ethanol doubly, carries out the membrane filter pressing circulation first time and extracts, and extraction time is 30-40 minute; Add and be equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 2.5-4.5 40% ethanol doubly, carry out the membrane filter pressing circulation second time and extract, extraction time is 10-20 minute.
Preferred, described step a2 adds earlier the water that is equivalent to 7 times of Rhizoma Polygonati and Fructus Lycii gross weights, carries out membrane filter pressing circulation extraction first time under 65 ℃ condition, and extraction time is 30 minutes; Add the water be equivalent to 3.5 times of Rhizoma Polygonati and Fructus Lycii gross weights again, carry out membrane filter pressing circulation extraction second time under 65 ℃ condition, extraction time is 15 minutes;
Described step b2 adds earlier 45% ethanol that is equivalent to 7 times of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weights, carrying out the membrane filter pressing circulation first time extracts, extraction time is 30 minutes, add 40% ethanol be equivalent to 3.5 times of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weights again, carry out the membrane filter pressing circulation second time and extract, extraction time is 15 minutes.
Preferably, also comprise step b3 after the described step b2: three-way valve is switched to the material-compound tank position, in material-compound tank, add water, carry out the membrane filter pressing circulation and wash thoroughly, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge pressing filtering liquid and pressed liquor, measure ethanol content, extract preparing solvent liquid as next group Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae.
Preferred, described step b3 adds to be equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 2-3 water doubly, and the membrane filter pressing circulation was washed 3-7 minute thoroughly.
The isolation integral technology is extracted in membrane filter pressing circulation of the present invention, be that the discharging opening of material-compound tank is communicated with the charging aperture of diaphragm filter press by pump (as membrane pump etc.), the liquid outlet of diaphragm filter press is communicated with the import of charging aperture and the filtrate tank of material-compound tank respectively with three-way valve.When three-way valve switches to the material-compound tank position, the liquid outlet of diaphragm filter press is communicated with the charging aperture of material-compound tank, constitute membrane filter pressing circulation extraction system, slip in the material-compound tank is pumped to diaphragm filter press to carry out the pressing filtering liquid that membrane filter pressing comes out from diaphragm filter press and passes back into (medicated powder then is deposited on the filter cloth surface of each filter pressing chamber of diaphragm filter press equably) the material-compound tank, be re-used as and extract solvent and be pumped to diaphragm filter press and carry out membrane filter pressing and constantly circulate, thereby the membrane filter pressing circulation that realizes medical material is extracted; When three-way valve switches to the filtrate tank position, the liquid outlet of diaphragm filter press is communicated with the import of filtrate tank, constitute the membrane filter pressing solid-liquid separation system, after the membrane filter pressing circulation extraction of medical material finishes, to send into the filtrate tank storage from pressing filtering liquid and pressed liquor that diaphragm filter press comes out, thereby herbal extract is well separated with medicinal residues.
About extracting the problem of material, usually pulverizing medicinal materials is become coarse powder as extracting material, the soft medical material (as Radix Rehmanniae Preparata, Fructus Jujubae etc.) that difficulty is ground into coarse powder can add the water that 2-4 doubly measures and be ground into slip as extracting material with feed grinder or tissue mashing machine.
About the problem of charging sequence, when the medical material fibre-bearing more after a little while, can be in material-compound tank directly add medicated powder and extract solvent, under stirring condition, carry out the membrane filter pressing circulation and extract; When the medical material fibre rich, then should adopt the outer circulation method of feeding in raw material, to stop that medicated powder stops up in material-compound tank discharging opening and feeding pipe and phenomenon that the stock circulation is obstructed.The reinforced method of so-called outer circulation is will extract required whole solvents earlier first to add in the material-compound tank, three-way valve is switched to the material-compound tank position, solvent is pumped into diaphragm filter press, (can observe from the manhole of material-compound tank) when passing back into material-compound tank when observing pressing filtering liquid (this moment is actual to be solvent), under stirring condition, progressively drop into medicated powder again, the gained feed liquid is pumped to diaphragm filter press thereupon carries out the membrane filter pressing pressing filtering liquid and passes back in the material-compound tank and circulate, and medicated powder then is deposited on the filter cloth surface of each filter pressing chamber of diaphragm filter press equably.
About extracting the problem of temperature, when being solvent with water, extracting temperature can control at 50-90 ℃, according to polarized light microscopy method measurement result and in conjunction with bibliographical information, starch gelatinization temperature in the plant tissue mostly is 70-71 ℃, for fear of occurring because starch gelatinization blocks cell inclusion (mostly being effective ingredient) stripping or stops up phenomenons such as filter cloth, the medical material of rich in starch is carried out water when carrying, extract temperature and should control below 70 ℃, preferred 55-65 ℃.And when adopting organic solvent extraction, the boiling point height of looking organic solvent can not heat (namely at room temperature extracting) or suitably heating.
About the problem of extraction time and extraction time, can require according to the response rate of index components and economy requirement suitable adjustment extraction time and extraction time.For the extraction of general medicinal material coarse powder, but selective extraction 2 times extracted 30-40 minute for the 1st time, extracted 10-20 minute for the 2nd time; Higher for price of medicinal material, require the higher kind of the index components response rate, extraction time can suitably increase, as extracts 4 times, extracts the 2-4 time extraction 10-20 minute 40-60 minute the 1st time; Also last 1 time extracting solution can be carried out recycled as the solvent of extraction first of next group material.When serving as when extracting solvent with alcohol-water mixed solution, carry out membrane filter pressing and wash and squeeze medicinal residues thoroughly in the extraction back available water that finishes, after gained pressing filtering liquid and pressed liquor are measured pure content, can be used as the next group material and extract preparing solvent liquid and carry out recycled.Carry out membrane filter pressing when washing thoroughly at water, also can close two liquid valves that are in low level in four jiaos of liquid valves of diaphragm filter press, water is fully soaked overflow the top filtering layer, to strengthen washing effect.
Need to extract earlier volatile oil about part medical material in the compound preparation prescription, medicinal residues merge the problem of carrying out decocting with other medical material again, reach a few hours owing to extract the process of volatile oil with the water azeotropic, during the water soluble ingredient of medical material fully is soluble in the aqueous phase in the process of extracting volatile oil, so generally do not need medicinal residues and the merging of other medical material are carried out decocting, and save follow-up concentrated energy consumption simultaneously for the response rate that guarantees effective ingredient, can be after extracting volatile oil, the water of doubly measuring with 2-4 is heated to the 60-90 ℃ of saturating wash slag of membrane filter pressing, wash 1-2 time thoroughly, aqueous solution after the saturating washing liquid of gained and the distillation merges, as the extraction solvent of water first of other medical material.
About the problem of diaphragm filter press, filter cloth should be selected polypropylene multifilament filter cloth for use, and its Air permenbility selection principle is: less (as 3-10L/m with the appropriate to the occasion Air permenbility of selecting for use of organic solvent extraction
2.s) filter cloth is big (as 50-1200L/m with the appropriate to the occasion Air permenbility of selecting for use of water extraction
2.s) filter cloth.Membrane filter plate should select polypropylene etc. to meet the plastic material of medicinal requirements.The feed liquid pipeline should be selected the plastic conduit of 304 above rustless steels or non-PVC for use.
In the present invention, percentage ratio means the ratio of weight with " % " symbolic representation; But the percentage ratio of solution except as otherwise herein provided, means and contains the some grams of solute among the solution 100ml; The percentage ratio of ethanol means percent by volume, contains the some milliliters of ethanol among the ie in solution 100ml.
Beneficial effect of the present invention is: (1) has improved the response rate of effective ingredient: the present invention adopts the membrane filter pressing circulating extraction method to substitute the effective ingredient of decocting method and circumfluence method extraction prescription medical material, this method system adopts the pressure-driven of 0.5-0.6Mpa, circulation is extracted and is piled up in hundreds of the powder beds on the eluting face, effect with pressurized column chromatography or pressurization percolation, extraction efficiency significantly improves, the extraction temperature reduces, the loss of thermal sensitivity composition reduces, the response rate of index components significantly improves, for example, 75% ethanol soluble extraction improves about 40% than decocting method in Rhizoma Polygonati and the Fructus Lycii extract, Radix Polygoni Multiflori Preparata, index components 2 in Fructus Crataegi and the Semen Cassiae extract, 3,5, the content of 4 '-tetrahydroxystilbene-2-O-beta-glucosidase improves about 25% than circumfluence method; And the filter cloth aperture of adopting because of diaphragm filter press is far below being used for the filter screen aperture that medicinal residues separate with decocting liquid at present, and gained extracting solution clarity is good, and naked eyes visible particle thing can not enter in the finished product, has also correspondingly improved the content of active ingredient in the finished product.(2) reduced the consumption that extracts etoh solvent: the inventive method can adopt 40-45% ethanol to substitute the effective ingredient of 50% ethanol extraction Radix Polygoni Multiflori Preparata, Fructus Crataegi and the Semen Cassiae of existing method, and the ethanol consumption reduces greatly.(3) simplified technological process, shortened the production cycle: extract the prescription medical material of same weight, adopt existing decocting method or circumfluence method to need 2-3 hour approximately, and adopt the membrane filter pressing circulating extraction method to be no more than 1 hour, extraction time shortens more than 50%; And the inventive method can realize the integrated of extraction and solid-liquid separation that circulate, and does not have the worry of decocting method and the existing follow-up solid-liquid separation of circumfluence method.(4) energy savings: with 1m
3Water is heated to 55-65 ℃ from 20 ℃ and needs raw coal 18.4-21.7kg, needs raw coal 37.6kg and be heated to 98 ℃, and 42-51% on year-on-year basis lowers consumption; The extraction time of prescription medical material foreshortened to 1 hour by 2-3 hour, and the extraction energy consumption is reduced greatly.(5) be beneficial to environmental conservation and waste residue utilization: the medicinal residues after the isolation integral technical finesse is extracted in the membrane filter pressing circulation are the nearly powdered form block of doing; water content is few; not only be convenient to transhipment; can not pollute to environment; and be convenient to the later use of waste residue; as insert in the coal dust burning with reduce the coal consumption, biofermentation is made feedstuff, dry distilling is made as the charcoal piece and makes heating or domestic fuel etc.
Description of drawings
Fig. 1 extracts the preferred corollary apparatus figure of isolation integral technology for the membrane filter pressing circulation.
The specific embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail.
The preferred corollary apparatus figure of membrane filter pressing circulation extraction isolation integral technology as shown in Figure 1, the discharging opening of material-compound tank is communicated with the charging aperture of diaphragm filter press by membrane pump, the liquid outlet of diaphragm filter press is communicated with the import of charging aperture and the filtrate tank of material-compound tank respectively with three-way valve, when three-way valve switches to the material-compound tank position, the liquid outlet of diaphragm filter press is communicated with the charging aperture of material-compound tank, the pressing filtering liquid that comes out from diaphragm filter press passes back into material-compound tank, constitutes membrane filter pressing circulation extraction system; When three-way valve switched to the filtrate tank position, the liquid outlet of diaphragm filter press was communicated with the import of filtrate tank, and the pressing filtering liquid that comes out from diaphragm filter press enters the filtrate tank storage, constitutes the membrane filter pressing solid-liquid separation system.
Embodiment 1
Prescription: Radix Polygoni Multiflori Preparata 6.66kg, Fructus Lycii 6.66kg, Rhizoma Polygonati 8.88kg, Fructus Crataegi 5.64kg, Semen Cassiae 1.32kg
Preparation method may further comprise the steps:
A. the extraction of Rhizoma Polygonati and Fructus Lycii
A1. Rhizoma Polygonati and the Fructus Lycii with recipe quantity mixes, and is ground into coarse powder, and be standby;
A2. add the water that is equivalent to 7 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, be heated to 65 ℃ and insulation; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, the water in the material-compound tank is pumped into diaphragm filter press (adopt 80 ± 10 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, in material-compound tank, at the uniform velocity add step a1 gained medicated powder, finish, 65 ℃ of membrane filter pressing circulations were extracted 30 minutes, afterwards three-way valve were switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, add 65 ℃ the water of being preheated to that is equivalent to 3.5 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, the circulation of insulation membrane filter pressing was extracted 15 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution A;
B. the extraction of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae
B1. Radix Polygoni Multiflori Preparata, Fructus Crataegi and the Semen Cassiae with recipe quantity mixes, and is ground into coarse powder, and be standby;
B2. in material-compound tank, add 45% ethanol that is equivalent to 7 times of above-mentioned 3 flavor medical material gross weights; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, 45% ethanol in the material-compound tank is pumped into diaphragm filter press (adopt 5-8 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, at the uniform velocity add step b1 gained medicated powder in material-compound tank, finish, the membrane filter pressing circulation was extracted 30 minutes, afterwards three-way valve was switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, three-way valve is switched to the material-compound tank position again, add 40% ethanol that is equivalent to 3.5 times of above-mentioned 3 flavor medical material gross weights in material-compound tank, the membrane filter pressing circulation was extracted 15 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution B;
B3. three-way valve is switched to the material-compound tank position, in material-compound tank, add the water that is equivalent to 3 times of above-mentioned 3 flavor medical material gross weights, close two liquid valves that are in low level in four jiaos of liquid valves of diaphragm filter press, the membrane filter pressing circulation was washed 5 minutes thoroughly, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge pressing filtering liquid and pressed liquor, measure ethanol content, extract preparing solvent liquid as next group Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae;
C. preparation
The extracting solution A of step a2 gained is condensed into thick paste; With the extracting solution B decompression recycling ethanol of step b2 gained and be condensed into thick paste; Above-mentioned two kinds of thick pastes are merged, add starch, mixing, granule processed is pressed into 30000, and sugar coating namely gets JIANGZHILINGPIAN.
Embodiment 2
Prescription: Radix Polygoni Multiflori Preparata 6.66kg, Fructus Lycii 6.66kg, Rhizoma Polygonati 8.88kg, Fructus Crataegi 5.64kg, Semen Cassiae 1.32kg
Preparation method may further comprise the steps:
A. the extraction of Rhizoma Polygonati and Fructus Lycii
A1. Rhizoma Polygonati and the Fructus Lycii with recipe quantity mixes, and is ground into coarse powder, and be standby;
A2. add the water that is equivalent to 6 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, be heated to 55 ℃ and insulation; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, the water in the material-compound tank is pumped into diaphragm filter press (adopt 80 ± 10 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, in material-compound tank, at the uniform velocity add step a1 gained medicated powder, finish, 55 ℃ of membrane filter pressing circulations were extracted 40 minutes, afterwards three-way valve were switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, add 55 ℃ the water of being preheated to that is equivalent to 4.5 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, the circulation of insulation membrane filter pressing was extracted 20 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution A;
B. the extraction of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae
B1. Radix Polygoni Multiflori Preparata, Fructus Crataegi and the Semen Cassiae with recipe quantity mixes, and is ground into coarse powder, and be standby;
B2. in material-compound tank, add 45% ethanol that is equivalent to 8 times of above-mentioned 3 flavor medical material gross weights; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, 45% ethanol in the material-compound tank is pumped into diaphragm filter press (adopt 5-8 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, at the uniform velocity add step b1 gained medicated powder in material-compound tank, finish, the membrane filter pressing circulation was extracted 40 minutes, afterwards three-way valve was switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, three-way valve is switched to the material-compound tank position again, add 40% ethanol that is equivalent to 4.5 times of above-mentioned 3 flavor medical material gross weights in material-compound tank, the membrane filter pressing circulation was extracted 10 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution B;
B3. three-way valve is switched to the material-compound tank position, in material-compound tank, add the water that is equivalent to 2.5 times of above-mentioned 3 flavor medical material gross weights, close two liquid valves that are in low level in four jiaos of liquid valves of diaphragm filter press, the membrane filter pressing circulation was washed 7 minutes thoroughly, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge pressing filtering liquid and pressed liquor, measure ethanol content, extract preparing solvent liquid as next group Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae;
C. preparation
The extracting solution A of step a2 gained is condensed into thick paste; With the extracting solution B decompression recycling ethanol of step b2 gained and be condensed into thick paste; Above-mentioned two kinds of thick pastes are merged, add starch, mixing, granule processed is pressed into 30000, and sugar coating namely gets JIANGZHILINGPIAN.
Embodiment 3
Prescription: Radix Polygoni Multiflori Preparata 6.66kg, Fructus Lycii 6.66kg, Rhizoma Polygonati 8.88kg, Fructus Crataegi 5.64kg, Semen Cassiae 1.32kg
Preparation method may further comprise the steps:
A. the extraction of Rhizoma Polygonati and Fructus Lycii
A1. Rhizoma Polygonati and the Fructus Lycii with recipe quantity mixes, and is ground into coarse powder, and be standby;
A2. add the water that is equivalent to 8 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, be heated to 60 ℃ and insulation; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, the water in the material-compound tank is pumped into diaphragm filter press (adopt 80 ± 10 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, in material-compound tank, at the uniform velocity add step a1 gained medicated powder, finish, 60 ℃ of membrane filter pressing circulations were extracted 35 minutes, afterwards three-way valve were switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, add 60 ℃ the water of being preheated to that is equivalent to 2.5 times of Rhizoma Polygonati and Fructus Lycii gross weights in the material-compound tank, the circulation of insulation membrane filter pressing was extracted 10 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution A;
B. the extraction of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae
B1. Radix Polygoni Multiflori Preparata, Fructus Crataegi and the Semen Cassiae with recipe quantity mixes, and is ground into coarse powder, and be standby;
B2. in material-compound tank, add 45% ethanol that is equivalent to 6 times of above-mentioned 3 flavor medical material gross weights; Three-way valve is switched to the material-compound tank position, open agitator, membrane pump and the diaphragm filter press of material-compound tank, 45% ethanol in the material-compound tank is pumped into diaphragm filter press (adopt 5-8 L/m
2.s polypropylene multifilament filter cloth), when passing back into material-compound tank to pressing filtering liquid, at the uniform velocity add step b1 gained medicated powder in material-compound tank, finish, the membrane filter pressing circulation was extracted 35 minutes, afterwards three-way valve was switched to the filtrate tank position and carried out membrane filter pressing, collected pressing filtering liquid; After filter pressing finishes, three-way valve is switched to the material-compound tank position again, add 40% ethanol that is equivalent to 2.5 times of above-mentioned 3 flavor medical material gross weights in material-compound tank, the membrane filter pressing circulation was extracted 20 minutes, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution B;
B3. three-way valve is switched to the material-compound tank position, in material-compound tank, add the water that is equivalent to 2 times of above-mentioned 3 flavor medical material gross weights, close two liquid valves that are in low level in four jiaos of liquid valves of diaphragm filter press, the membrane filter pressing circulation was washed 3 minutes thoroughly, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor, last release is opened plate, slag dumping; Merge pressing filtering liquid and pressed liquor, measure ethanol content, extract preparing solvent liquid as next group Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae;
C. preparation
The extracting solution A of step a2 gained is condensed into thick paste; With the extracting solution B decompression recycling ethanol of step b2 gained and be condensed into thick paste; Above-mentioned two kinds of thick pastes are merged, add starch, mixing, granule processed is pressed into 30000, and sugar coating namely gets JIANGZHILINGPIAN.
Employing is with a collection of medicinal raw material, adopt embodiment 1-3 method and existing method (Chinese Pharmacopoeia one one of version in 2010 is recorded method) to compare experiment respectively, and products obtained therefrom carried out quality inspection, the result shows: the product that adopts the described method of embodiment 1-3 to make all meets the requirement of quality standard, and the content of index components is higher.Wherein, the cost-effectiveness of embodiment 1 described method is than best, adopt that 75% ethanol soluble extraction improves about 40% than decocting method in Rhizoma Polygonati that this method makes and the Fructus Lycii extract, index components 2 in Radix Polygoni Multiflori Preparata, Fructus Crataegi and the Semen Cassiae extract, 3,5, the content of 4 '-tetrahydroxystilbene-2-O-beta-glucosidase improves about 25% than 50% ethanol refluxing process.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by invention has been described with reference to the preferred embodiments of the present invention, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (5)
1. the preparation method of JIANGZHILINGPIAN, made by following raw materials by weight proportions: 44 parts of 222 parts of Radix Polygoni Multiflori Preparatas, 222 parts of Fructus Lycii, 296 parts of Rhizoma Polygonatis, 148 parts of Fructus Crataegis and Semen Cassiaes, it is characterized in that, may further comprise the steps:
A. the extraction of Rhizoma Polygonati and Fructus Lycii
A1. Rhizoma Polygonati and Fructus Lycii are mixed, be ground into coarse powder, standby;
A2. in material-compound tank, add water, be heated to 50-90 ℃ and insulation; Three-way valve is switched to the material-compound tank position, water in the material-compound tank is pumped into diaphragm filter press, when passing back into material-compound tank to pressing filtering liquid, under stirring condition, in material-compound tank, add step a1 gained medicated powder, finish, under 50-90 ℃ condition, carry out the membrane filter pressing circulation first time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, again three-way valve is switched to the material-compound tank position, in material-compound tank, add water, under 50-90 ℃ condition, carry out the membrane filter pressing circulation second time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution A;
B. the extraction of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae
B1. Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae are mixed, be ground into coarse powder, standby;
B2. adding concentration of volume percent in the material-compound tank is the ethanol of 40-50%; Three-way valve is switched to the material-compound tank position, be that the ethanol of 40-50% pumps into diaphragm filter press with the concentration of volume percent in the material-compound tank, when passing back into material-compound tank to pressing filtering liquid, under stirring condition, in material-compound tank, add step b1 gained medicated powder, finish, carry out the membrane filter pressing circulation first time and extract, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, three-way valve is switched to the material-compound tank position, adding concentration of volume percent in the material-compound tank is the ethanol of 40-50% again, carries out membrane filter pressing circulation extraction second time, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge twice pressing filtering liquid and pressed liquor, be designated as extracting solution B;
C. preparation
The extracting solution A of step a2 gained is condensed into thick paste; With the extracting solution B decompression recycling ethanol of step b2 gained and be condensed into thick paste; Above-mentioned two kinds of thick pastes are merged, add starch, mixing, granule processed, tabletting, sugar coating or film-coat namely get JIANGZHILINGPIAN.
2. the preparation method of JIANGZHILINGPIAN according to claim 1, it is characterized in that, described step a2 adds earlier to be equivalent to Rhizoma Polygonati and Fructus Lycii gross weight 6-8 water doubly, carries out the membrane filter pressing circulation first time and extract under 55-65 ℃ condition, and extraction time is 30-40 minute; Add and be equivalent to Rhizoma Polygonati and Fructus Lycii gross weight 2.5-4.5 water doubly, carry out the membrane filter pressing circulation second time and extract under 55-65 ℃ condition, extraction time is 10-20 minute;
Described step b2 adds earlier that to be equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 6-8 concentration of volume percent doubly be 45% ethanol, carries out membrane filter pressing circulation extraction first time, and extraction time is 30-40 minute; Adding and being equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 2.5-4.5 concentration of volume percent doubly is 40% ethanol, carries out membrane filter pressing circulation extraction second time, and extraction time is 10-20 minute.
3. the preparation method of JIANGZHILINGPIAN according to claim 2, it is characterized in that, described step a2 adds earlier the water that is equivalent to 7 times of Rhizoma Polygonati and Fructus Lycii gross weights, carries out membrane filter pressing circulation extraction first time under 65 ℃ condition, and extraction time is 30 minutes; Add the water be equivalent to 3.5 times of Rhizoma Polygonati and Fructus Lycii gross weights again, carry out membrane filter pressing circulation extraction second time under 65 ℃ condition, extraction time is 15 minutes;
Described step b2 is that to add earlier the concentration of volume percent that is equivalent to 7 times of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weights be 45% ethanol, carrying out the membrane filter pressing circulation first time extracts, extraction time is 30 minutes, add the concentration of volume percent be equivalent to 3.5 times of Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weights again and be 40% ethanol, carry out the membrane filter pressing circulation second time and extract, extraction time is 15 minutes.
4. according to the preparation method of the described JIANGZHILINGPIAN of the arbitrary claim of claim 1 to 3, it is characterized in that, also comprise step b3 after the described step b2: three-way valve is switched to the material-compound tank position, in material-compound tank, add water, carrying out the membrane filter pressing circulation washes thoroughly, afterwards three-way valve is switched to the filtrate tank position and carry out membrane filter pressing, collect pressing filtering liquid; After filter pressing finishes, start the squeezing program of diaphragm filter press, collect pressed liquor; Merge pressing filtering liquid and pressed liquor, measure ethanol content, extract preparing solvent liquid as next group Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae.
5. the preparation method of JIANGZHILINGPIAN according to claim 4 is characterized in that, described step b3 adds to be equivalent to Radix Polygoni Multiflori Preparata, Fructus Crataegi and Semen Cassiae gross weight 2-3 water doubly, and the membrane filter pressing circulation was washed 3-7 minute thoroughly.
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| 中华人民共和国卫生部药典委员会编.降脂灵片.《中华人民共和国卫生部药品标准中药成方制剂第十七册》.1998,第166页. * |
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