Preparation method of cough-relieving tablets

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 improving the extraction efficiency and reducing the extraction temperature

Active Publication Date: 2013-08-21
TAIJI GRP CHONGQING FULING PHARM FACTORY CO LTD
View PDF1 Cites 1 Cited by
  • 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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of cough-relieving tablets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Prescription: Stemone 6.25kg, Peucedanum 6.25kg, bitter almond 3.125kg

[0041] The preparation method includes the following steps:

[0042] a. Extraction of Peucedanum

[0043] a1. Crush 70% of the prescription amount of Peucedanum chinensis into coarse powder for use;

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

Embodiment 2

[0056] Prescription: Stemone 6.25kg, Peucedanum 6.25kg, bitter almond 3.125kg

[0057] The preparation method includes the following steps:

[0058] a. Extraction of Peucedanum

[0059] a1. Crush 70% of the prescription amount of Peucedanum chinensis into coarse powder for use;

[0060] a2. Add water equivalent to 6 times the weight of the coarse powder of Qianhu into the batching tank, heat it to 60℃ and keep it warm; switch the three-way valve to the batching tank position, turn on the agitator, diaphragm pump and diaphragm filter press of the batching tank, The water in the batching tank is pumped into the diaphragm filter press (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 to the batching tank at a constant speed, after the addition, the 60°C diaphragm filter press cycle extracts for 35 minutes, and then the three-way valve is switched to Diaphragm pressure filtration is ...

Embodiment 3

[0072] Prescription: Stemone 6.25kg, Peucedanum 6.25kg, bitter almond 3.125kg

[0073] The preparation method includes the following steps:

[0074] a. Extraction of Peucedanum

[0075] a1. Crush 70% of the prescription amount of Peucedanum chinensis into coarse powder for use;

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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(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
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap