Unlock instant, AI-driven research and patent intelligence for your innovation.

Grass-leaved sweetflag extract, medicine composition with grass-leaved sweetflag extract, preparation method and application thereof

A technology of Acorus calamus and its extract, which is applied in the field of Calamus calamus extract, can solve the problems of unspecified content, achieve high safety, low content, and improve the effect of learning and memory

Inactive Publication Date: 2012-07-04
SHANGHAI INST OF PHARMA IND CO LTD
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, in the above-mentioned documents, there is no explanation for the content of α, β-asarone with toxic side effects contained in the Acorus calamus extract.

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
  • Grass-leaved sweetflag extract, medicine composition with grass-leaved sweetflag extract, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The preparation of embodiment 1 Acorus calamus extract SCP-3

[0019] Take 200g of Acorus calamus medicinal material, add 2L (2000g) water to slightly boil (100°C) to extract twice, 1h each time, filter the extract, add ethanol until the solution contains 70% ethanol by volume, collect the precipitate, and freeze-dry it. 79.5g.

Embodiment 2

[0020] The preparation of embodiment 2 Acorus calamus extract SCP-3

[0021] Take 200g of Acorus calamus medicinal material, add 2L (2000g) water to slightly boil (100°C) to extract twice, 40min each time, filter the extract, add ethanol until the solution contains 60% methanol by volume, collect the precipitate, and freeze-dry it. 76.7g.

Embodiment 3

[0022] The preparation of embodiment 3 Acorus calamus extract SCP-3

[0023] Take 200g of Acorus calamus medicinal material, add 2L (2000g) water to slightly boil (100°C) to extract twice, 80min each time, filter the extract, add ethanol until the solution contains 90% ethanol by volume, collect the precipitate, and freeze-dry it. 84.6g.

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 a grass-leaved sweetflag extract, which comprises the following steps: extracting grass-leaved sweetflag by water; then, adding alcoholic solvents into extraction liquid for sedimentation; and collecting and drying precipitates to obtain the grass-leaved sweetflag extract of the invention. The invention also discloses the grass-leaved sweetflag extract prepared by the method, a medicine composition with the grass-leaved sweetflag extract of the invention, and the application thereof in the preparation of medicine, health products or food for improving learning and memory ability or the preparation of medicine for treating senile dementia. The grass-leaved sweetflag extract of the invention has the obvious effect of improving the learning andmemory ability, in addition, the contents of toxic and side ingredients of alpha and beta-asarol are low, the safety is high, and the invention provides a novel path for preparing the medicine, the health products or the food for improving the learning and memory ability and preparing the medicine for treating senile dementia.

Description

technical field [0001] The invention relates to a calamus extract, a pharmaceutical composition containing it, a preparation method and application thereof. Background technique [0002] At present, the etiology of Alzheimer's disease (AD) is still unclear, so there is a lack of effective therapeutic drugs. Researchers at home and abroad are looking for therapeutic drugs in multiple links from pathological basis to symptomatic treatment. Chinese medical research workers are also in-depth research and development of new anti-Alzheimer's drugs. my country has extensive resources of traditional Chinese medicine, and there are many effective drugs that can improve learning and memory in the treasure house of traditional Chinese medicine in our country. Among these drugs, new drugs for the treatment of Alzheimer's disease may be developed. [0003] Shichangpu is one of the few aromatic and resuscitating herbs in traditional Chinese medicine. It is often used in traditional Chin...

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): A61K36/888A61P25/00A61P25/28A23L1/30A23L33/105
Inventor 董文心杨培明顾丰华许海燕陈嘉倪翔陈佳张扬
Owner SHANGHAI INST OF PHARMA IND CO LTD