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Concentrated Liuwei dihuang pill preparation method

A technology of Liuwei Dihuang Pills and Rehmannia glutinosa, which is applied in the field of preparation of Liuwei Dihuang Pills (concentrated pills), can solve the problems of low dissolution efficiency, long extraction time, and low transfer rate, so as to improve transfer rate, shorten extraction time, increase The effect of solid-liquid contact

Active Publication Date: 2013-02-13
JIUZHITANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Liuwei Dihuang Wan is a commonly used bulk variety, among which Liuwei Dihuang Wan (concentrated pill) is included in the first part of the "Chinese Pharmacopoeia" 2010 edition P598-9599, but the existing Liuwei Dihuang Wan (condensed pill) technology has the following technical problems: 1 ) Low dissolution efficiency and long extraction time; 2) High energy consumption and low transfer rate

Method used

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  • Concentrated Liuwei dihuang pill preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] (1) Weigh raw materials according to the following parts by weight: 120 parts of Rehmannia glutinosa, 60 parts of wine cornus, 45 parts of Moutan bark, 60 parts of Chinese yam, 45 parts of Poria cocos, 45 parts of Alisma;

[0064] (2) Put the Moutan cortex into the extraction tank, and extract paeonol by steam distillation. Open the condensed water first, then open the direct steam valve, adjust the steam pressure at 0.1Mpa--0.3Mpa, keep the temperature in the tank at 100-110°C, and the pressure at <0.05Mpa, adjust the flow of condensed water so that the material pipe above the crystallization tank flows out of Dan The temperature of the distillate of paeonol is 40°C-60°C, collect the distillate of paeonol, refrigerate, crystallize, and collect paeonol crystals;

[0065] (3) Take 120 parts of Rehmannia glutinosa, 20 parts of wine cornus, 45 parts of Poria cocos, and 45 parts of Alisma, use dynamic extraction method, add water to decoct twice, the amount of water added i...

Embodiment 2

[0070] (1) Weigh raw materials according to the following parts by weight: 120 parts of Rehmannia glutinosa, 60 parts of wine cornus, 45 parts of Moutan bark, 60 parts of Chinese yam, 45 parts of Poria cocos, 45 parts of Alisma;

[0071] (2) Put the Moutan cortex into the extraction tank, and extract paeonol by steam distillation. Open the condensed water first, then open the direct steam valve, adjust the steam pressure at 0.1Mpa--0.3Mpa, keep the temperature in the tank at 100-110°C, and the pressure at <0.05Mpa, adjust the flow of condensed water so that the material pipe above the crystallization tank flows out of Dan The temperature of the distillate of paeonol is 40°C-60°C, collect the distillate of paeonol, refrigerate, crystallize, and collect paeonol crystals;

[0072] (3) Take 120 parts of Rehmannia glutinosa, 20 parts of wine cornus, 45 parts of Poria cocos, and 45 parts of Alisma, use dynamic extraction method, add water to decoct twice, the amount of water added i...

Embodiment 3

[0076] (1) Weigh raw materials according to the following parts by weight: 120 parts of Rehmannia glutinosa, 60 parts of wine cornus, 45 parts of Moutan bark, 60 parts of Chinese yam, 45 parts of Poria cocos, 45 parts of Alisma;

[0077] (2) Put the Moutan cortex into the extraction tank, and extract paeonol by steam distillation. Open the condensed water first, then open the direct steam valve, adjust the steam pressure at 0.1Mpa--0.3Mpa, keep the temperature in the tank at 100-110°C, and the pressure at <0.05Mpa, adjust the flow of condensed water so that the material pipe above the crystallization tank flows out of Dan The temperature of the distillate of paeonol is 40°C-60°C, collect the distillate of paeonol, refrigerate, crystallize, and collect paeonol crystals;

[0078] (3) Take 120 parts of Rehmannia glutinosa, 20 parts of wine cornus, 45 parts of Poria cocos, and 45 parts of Alisma, and use the dynamic extraction method, add water and decoct twice, the amount of wate...

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Abstract

The present invention provides a concentrated Liuwei dihuang pill preparation method. According to the method, the existing preparation method is improved so as to effectively improve component transfer rate and paste yield, save energy consumption and reduce active ingredient loss.

Description

technical field [0001] The invention relates to a preparation method of a traditional Chinese medicine preparation, in particular to a preparation method of Liuwei Dihuang Pills (concentrated pills). Background technique [0002] The main function of Liuwei Dihuang Wan is nourishing yin and tonifying kidney. For dizziness and tinnitus, soreness of the waist and knees, nocturnal emission and night sweats. Liuwei Dihuang Wan is a commonly used bulk variety, among which Liuwei Dihuang Wan (concentrated pill) is included in the first part of the "Chinese Pharmacopoeia" 2010 edition P598-9599, but the existing Liuwei Dihuang Wan (condensed pill) technology has the following technical problems: 1 ) Low dissolution efficiency and long extraction time; 2) High energy consumption and low transfer rate. Contents of the invention [0003] The object of the present invention is to provide a preparation method of concentrated Liuwei Dihuang Wan. [0004] The purpose of the present i...

Claims

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Application Information

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IPC IPC(8): A61K36/8945A61K9/20A61P1/14
Inventor 周芳朱丽黄胜谷陟欣袁莉崔燕滨戴相国
Owner JIUZHITANG
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