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Preparation method of Liuweidihuang pills

A technology for 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 components, easy loss of heat-sensitive components, and high extraction temperature, and achieves the advantages of environmental protection, shortened production cycle, and reduced extraction temperature. Effect

Active Publication Date: 2013-04-17
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 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

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  • Preparation method of Liuweidihuang pills
  • Preparation method of Liuweidihuang pills

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...

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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

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Application Information

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Patent Type & Authority Patents(China)
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
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