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Eucheuma muricatum extract and application of Eucheuma muricatum extract in preparation of drugs for treatment of organ fibrosis

A technology of organ fibrosis and Eucheuma, applied in drug combination, drug delivery, pharmaceutical formula, etc., can solve the problems of unreported and undiscovered Eucheuma polypeptide components, and achieve a significant effect on the treatment of organ fibrosis

Active Publication Date: 2019-11-19
GUANGDONG ZHANJIANG PROVINCIAL LAB OF SOUTHERN MARINE SCI & ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no document reporting the function of Eucheuma polypeptide components in treating organ fibrosis, and there are no reports of using Eucheuma polypeptide components as drugs for treating organ fibrosis or food for special medical treatment at home and abroad.

Method used

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  • Eucheuma muricatum extract and application of Eucheuma muricatum extract in preparation of drugs for treatment of organ fibrosis
  • Eucheuma muricatum extract and application of Eucheuma muricatum extract in preparation of drugs for treatment of organ fibrosis
  • Eucheuma muricatum extract and application of Eucheuma muricatum extract in preparation of drugs for treatment of organ fibrosis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of Eucheuma extract, its preparation method comprises the following steps:

[0032] 1) Wash Eucheuma;

[0033] 2) Take 100g of the Eucheuma treated in step 1), add 1000g of water, go through homogenization, high-pressure steam sterilization, three-layer gauze filtration, centrifugation in sequence, collect the supernatant, and ultrafiltration with an ultrafiltration membrane system, 0.1 A microporous membrane with a molecular weight cut-off of 5000 Daltons and an operating pressure difference of 0.1-0.5 MPa to obtain Eucheuma extract (containing 1% tripeptide molecules: GIYYGQCSEICGINHGFMPIVVEATSLPNYVSWISNKLNE, MISDSQIFIAMLFALVSAVLAIQLGAELYS, TGACFCLIYQGVLYP); wherein, the centrifugal speed is 3500 rpm per minute, the centrifugation time is 10 minutes. High pressure steam sterilization control parameters are as follows: 0.6 kg / cm 2 Sterilize under pressure (110°C) for 10 minutes; the gauze is medical gauze with 2mmX1mm holes.

Embodiment 2

[0035] A kind of Eucheuma extract, its preparation method comprises the following steps:

[0036] 1) Wash Eucheuma;

[0037] 2) Take 100g of the Eucheuma treated in step 1), add 800g of water, go through homogenization, high-pressure steam sterilization, three-layer gauze filtration, centrifugation in sequence, collect the supernatant, and use an ultrafiltration membrane system for ultrafiltration, 0.1 micron microporous membrane, the molecular weight cut-off is 5000 Daltons, and the operating pressure difference is 0.1-0.5MPa to obtain the Eucheuma extract (containing 1% tripeptide molecules: GIYYGQCSEICGINHGFMPIVVEATSLPNYVSWISNKLNE, MISDSQIFIAMLFALVSAVLAIQLGAELYS, TGACFCLIYQGVLYP); wherein, the centrifugal speed is 3000 rpm per minute, the centrifugation time is 8 minutes. Others are the same as in Example 1.

Embodiment 3

[0039] A kind of Eucheuma extract, its preparation method comprises the following steps:

[0040] 1) Wash Eucheuma;

[0041] 2) Take 100g of the Eucheuma treated in step 1), add 1200g of water, go through homogenization, high-pressure steam sterilization, three-layer gauze filtration, centrifugation in sequence, collect the supernatant, and use an ultrafiltration membrane system for ultrafiltration, 0.1 micron microporous membrane, the molecular weight cut-off is 5000 Daltons, and the operating pressure difference is 0.1-0.5MPa to obtain the Eucheuma extract (containing 1% tripeptide molecules: GIYYGQCSEICGINHGFMPIVVEATSLPNYVSWISNKLNE, MISDSQIFIAMLFALVSAVLAIQLGAELYS, TGACFCLIYQGVLYP); wherein, the centrifugal speed is 4000 rpm per minute, the centrifugation time is 12 minutes. Others are the same as in Example 1.

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Abstract

The invention discloses an organ fibrosis-preventing oral solution prepared from an Eucheuma muricatum extract. The oral solution comprises the following components: in percent by mass, 0.5-2% of mucilage, 0.2-1% of a preservative, 0.1-1% of a co-solvent and the balance Eucheuma muricatum extract. The preparation method of the Eucheuma muricatum extract includes the following steps: (1) washing Eucheuma muricatum; (2) taking the step-(1) washed Eucheuma muricatum with a quality of M1, adding water of a quality M2, then performing homogenizing, sterilizing, filtration and centrifugation sequentially, collecting the supernatant, and then performing ultrafiltration by using an ultrafiltration membrane system with 0.1 micron microporous membranes, molecular weight cut-off of 5,000 Daltons andoperating pressure difference of 0.1-0.5 MPa so as to obtain the Eucheuma muricatum extract Extract, wherein the ratio of M1 to M2 is 1:(8-12). The prepared oral solution has remarkable efficacy in treatment of organ fibrosis, and has a better effect on treatment of organ fibrosis than pirfenidone and Nintedanib, and in addition, compression ultrafiltration of the ultrafiltration membrane system is adopted by the preparation method of the Eucheuma muricatum extract, and the efficiency is better than that of a chromatography extraction technology.

Description

technical field [0001] The invention relates to the technical field of food and medicine, and more specifically relates to an Eucheuma extract and its application in the preparation of medicines for treating organ fibrosis. Background technique [0002] Fibrosis can occur in a variety of organs. The main pathological changes are the increase of fibrous connective tissue and the reduction of parenchymal cells in organ tissues. Continuous progress can lead to organ structural damage, functional decline, and even failure, which seriously threaten human health and life. Worldwide, tissue fibrosis is the main cause of disability and death in many diseases. According to relevant statistics in the United States, nearly 45% of patients who died of various diseases can be attributed to tissue fibroproliferative diseases. At present, in the pharmaceutical industry, the types of drugs used to treat organ fibrosis are very scarce. The currently marketed drug pirfenidone can only relieve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/04A61K9/08A61P43/00
CPCA61K9/0095A61K36/04A61K47/14A61K2236/53A61P43/00
Inventor 张海涛余华军伍俊罗辉
Owner GUANGDONG ZHANJIANG PROVINCIAL LAB OF SOUTHERN MARINE SCI & ENG
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