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Preparation method of cough tablet

A technology of membrane pressure filtration and batching tank, which is applied to medical preparations containing active ingredients, pharmaceutical formulas, plant raw materials, etc. It can solve the problems of high extraction temperature, troublesome post-processing, and long extraction time, and reduce the loss of heat-sensitive ingredients. , The effect of lowering the extraction temperature and improving the extraction efficiency

Active Publication Date: 2011-12-28
TAIJI GRP CHONGQING FULING PHARM FACTORY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above methods, the decoction method and the reflux method are used to extract the active ingredients of the prescription medicinal materials, which have the disadvantages of long extraction time, high extraction temperature, high energy consumption, easy loss of heat-sensitive ingredients, low recovery rate of active ingredients, and troublesome post-processing.

Method used

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  • Preparation method of cough tablet
  • Preparation method of cough tablet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Prescription: Baibu 6.25kg, Peucedanum 6.25kg, Bitter almond 3.125kg

[0041] The preparation method comprises the following steps:

[0042] a. Peucedanum extraction

[0043] a1. Crush 70% of Peucedanum pectoralis into coarse powder, set aside;

[0044] a2. Add water equivalent to 7 times the weight of Peucedanum coarse powder into the batching tank, heat to 65°C and keep warm; switch the three-way valve to the position of the batching tank, turn on the agitator, diaphragm pump and diaphragm filter press of the batching tank, and put The water in the batching tank is pumped into the membrane filter press (using 80±10 L / m 2 .s polypropylene multifilament filter cloth), when the press filtrate flows back into the batching tank, add the medicinal powder obtained in step a1 into the batching tank at a constant speed, after the addition is completed, 65 ° C diaphragm filter press cycle extraction for 30 minutes, and then switch the three-way valve to The position of th...

Embodiment 2

[0056] Prescription: Baibu 6.25kg, Peucedanum 6.25kg, Bitter almond 3.125kg

[0057] The preparation method comprises the following steps:

[0058] a. Peucedanum extraction

[0059] a1. Crush 70% of Peucedanum pectoralis into coarse powder, set aside;

[0060] a2. Add water equivalent to 6 times the weight of Peucedanum coarse powder into the batching tank, heat to 60°C and keep warm; switch the three-way valve to the position of the batching tank, turn on the agitator, diaphragm pump and diaphragm filter press of the batching tank, and put The water in the batching tank is pumped into the membrane filter press (using 80±10 L / m 2.s polypropylene multifilament filter cloth), when the press filtrate flows back into the batching tank, add the powder obtained in step a1 into the batching tank at a constant speed, after the addition, 60 ° C diaphragm filter press cycle extraction for 35 minutes, and then switch the three-way valve to The position of the filtrate storage tank ...

Embodiment 3

[0072] Prescription: Baibu 6.25kg, Peucedanum 6.25kg, Bitter almond 3.125kg

[0073] The preparation method comprises the following steps:

[0074] a. Peucedanum extraction

[0075] a1. Crush 70% of Peucedanum pectoralis into coarse powder, set aside;

[0076] a2. Add water equivalent to 8 times the weight of Fenugreek coarse powder into the batching tank, heat to 55°C and keep warm; switch the three-way valve to the position of the batching tank, turn on the agitator, diaphragm pump and diaphragm filter press of the batching tank, and put The water in the batching tank is pumped into the membrane filter press (using 80±10 L / m 2 .s polypropylene multifilament filter cloth), when the press filtrate flows back into the batching tank, add the powder obtained in step a1 into the batching tank at a constant speed, after the addition is completed, the membrane filter press cycle is extracted at 55°C for 40 minutes, and then the three-way valve is switched to The position of th...

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Abstract

The invention discloses a preparation method of cough-relieving tablets. By employing a technology of integrated membrane filter pressing circulating extraction and separation to replace present decocting method and refluxing method to extract the effective components of prescriptive medicinal materials, the method of the invention not only simplifies the technical process, greatly shortens the production period, saves the energy consumption and benefits environmental protection and waste residue utilization, but also can reduce the consumption of the extracting solvent ethanol, and substantially enhances the recovery rate of the effective components.

Description

technical field [0001] The invention belongs to the field of pharmacy and relates to a preparation method of a traditional Chinese medicine preparation. Background technique [0002] The drug standard WS3-B-0700-91 of the Ministry of Health records: cough-relieving tablets have the effects of moistening the lungs and relieving asthma, eliminating phlegm and relieving cough, and are clinically used for cough, phlegm, asthma, whooping cough in children, and acute and chronic bronchitis. Its prescription is 312.5g of Baibu, 312.5g of Qianhu, and 156.25g of bitter almond. Its preparation method is to crush Baibu (20%) and Peucedanum (30%) into fine powder; add the remaining Peucedanum to decoct three times, the first time for 3 hours, the second time for 1 hour, the third time for 0.5 hours, and combine Decoction, filter; the rest of the basil are refluxed twice with 70% ethanol and bitter almonds with 80% ethanol, the first time is 3 hours, the second time is 2 hours, filter, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/904A61K9/20A61P11/14
Inventor 冯天炯张少正殷树荣张运伟郭平牯喻贵英
Owner TAIJI GRP CHONGQING FULING PHARM FACTORY CO LTD
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