Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

The preparation method of Liuwei Dihuang Wan

A technology of Liuwei Dihuang Pills and Rehmannia glutinosa, which is applied in the field of preparation of traditional Chinese medicine preparations, can solve the problems of low recovery rate of active ingredients, easy loss of heat-sensitive ingredients, high extraction temperature, etc., and achieve benefits for environmental protection, shorten production cycle, and lower extraction temperature Effect

Active Publication Date: 2011-12-28
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 method, the decoction method is used to extract the active ingredients of the prescription medicinal materials, which has the disadvantages of long extraction time, high extraction temperature, high energy consumption, easy loss of heat-sensitive ingredients, low recovery rate of active ingredients, troublesome post-processing, etc.

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
  • The preparation method of Liuwei Dihuang Wan
  • The preparation method of Liuwei Dihuang Wan
  • The preparation method of Liuwei Dihuang Wan

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Prescription: Rehmannia glutinosa 8kg, Cornus officinalis 4kg, Cortex Moutan 3kg, Chinese yam 4kg, Poria cocos 3kg, Alisma 3kg

[0034] The preparation method comprises the following steps:

[0035] a. Extraction of peony bark

[0036] a1. Crush the peony cortex of the prescribed amount into coarse powder and set aside;

[0037] a2. The medicinal powder obtained in step a1 is placed in a multifunctional extraction tank, and the volatile oil is extracted by straight-through steam distillation, and the distilled aqueous solution is collected in another device for subsequent use;

[0038] a3. Add water equivalent to 3 times the weight of Moutan Cortex into the multifunctional extraction tank containing Moutan Cortex dregs, stir and heat to 80°C, keep warm and stir for 5 minutes, and pump the slurry into a diaphragm filter press (80±10 L / m 2 .s polypropylene multifilament filter cloth) for membrane pressure filtration to collect the filter press liquid; after the pr...

Embodiment 2

[0047] Prescription: Rehmannia glutinosa 8kg, Cornus officinalis 4kg, Cortex Moutan 3kg, Chinese yam 4kg, Poria cocos 3kg, Alisma 3kg

[0048] The preparation method comprises the following steps:

[0049] a. Extraction of peony bark

[0050] a1. Crush the peony cortex of the prescribed amount into coarse powder and set aside;

[0051] a2. The medicinal powder obtained in step a1 is placed in a multifunctional extraction tank, and the volatile oil is extracted by straight-through steam distillation, and the distilled aqueous solution is collected in another device for subsequent use;

[0052] a3. Add water equivalent to twice the weight of Moutan Cortex into the multi-functional extraction tank containing Moutan Cortex dregs, stir and heat to 85°C, keep warm and stir for 10 minutes, and pump the slurry into a diaphragm filter press (80±10 L / m 2 .s polypropylene multifilament filter cloth) for membrane pressure filtration to collect the filter press liquid; after the pr...

Embodiment 3

[0061] Prescription: Rehmannia glutinosa 8kg, Cornus officinalis 4kg, Cortex Moutan 3kg, Chinese yam 4kg, Poria cocos 3kg, Alisma 3kg

[0062] The preparation method comprises the following steps:

[0063] a. Extraction of peony bark

[0064] a1. Crush the peony cortex of the prescribed amount into coarse powder and set aside;

[0065] a2. The medicinal powder obtained in step a1 is placed in a multifunctional extraction tank, and the volatile oil is extracted by straight-through steam distillation, and the distilled aqueous solution is collected in another device for subsequent use;

[0066] a3. Add water equivalent to 4 times the weight of Moutan Cortex into the multi-functional extraction tank containing Moutan Cortex dregs, stir and heat to 75°C, keep stirring for 15 minutes, and pump the slurry into a diaphragm filter press (80±10 L / m 2.s polypropylene multifilament filter cloth) for membrane pressure filtration to collect the filter press liquid; after the pressu...

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 Liuweidihuang pills. The preparation method adopts a diaphragm press filtration cycle extraction separation integrated technology to extract active ingredients of prescription drugs. The preparation method simplifies a process flow, shortens greatly a production period, saves energy consumption, is beneficial for environmental protection and dreg utilization, and improves greatly an active ingredient recovery rate.

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-2102-96 of the Ministry of Health records: Liuwei Dihuang Pills (concentrated pills) have the effect of nourishing yin and nourishing the kidney, and are used for kidney yin loss, dizziness and tinnitus, sore waist and knees, bone steaming hot flashes, night sweats, nocturnal emission, and thirst . The prescription consists of 160g Rehmannia glutinosa, 80g Cornus officinalis, 60g Moutan bark, 80g Chinese yam, 60g Poria cocos and 60g Alisma alisma. The preparation method is to extract paeonol from Moutan cortex; decoct the dregs, 27g of Cornus officinalis, rehmannia glutinosa, Poria cocos and Alisma alisma in water twice, each time for 2 hours, combine the decoction, filter, and concentrate the filtrate to a relative density of 1.35 - 1.40 thick paste; yam and remaining ...

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
IPC IPC(8): A61K36/8945A61K9/20A61P1/14A61P13/12
Inventor 冯天炯顾维菊程地英陈顺珍彭涛刘世琪越亮
Owner TAIJI GRP CHONGQING FULING PHARM FACTORY CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com