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A kind of enzymatic degradation galactomannan product and its preparation method and application

A technology for galactomannan and galactomannan-oligosaccharide, which is applied in the field of enzymatic degradation of galactomannan products and the preparation thereof, can solve problems such as threats to human health, and can inhibit the adhesion of pathogenic bacteria and intestinal cells without reducing the The effect of production performance and simple preparation process

Active Publication Date: 2022-03-15
FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

In recent years, due to bacterial resistance caused by antibiotics, drug-resistant genes can be transferred to humans through animals, posing a potential threat to human health. Different countries and regions have begun to restrict the use of antibiotics

Method used

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  • A kind of enzymatic degradation galactomannan product and its preparation method and application
  • A kind of enzymatic degradation galactomannan product and its preparation method and application
  • A kind of enzymatic degradation galactomannan product and its preparation method and application

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Effect test

Embodiment

[0035] (1) Mannose inhibit the role of Salmonella

[0036] Many Salmonella and other intestinal microorganisms can not only adhere to the intestine, but also condense the red blood cells of guinea pigs or yeast cells containing mannan. Itzhak Ofek believes that the cohesive mechanism of intestinal microorganisms and yeast cells having I-type pylospaceries has better correlation with their adhesion mechanism of intestinal cells (Itzhak Ofek et al, 1978). It has been studied as an adhesion medium in yeast cells as an adhesion medium, which has the advantages of cultivating simple and fast detection, and can be used for pioferia identification of intestinal microorganisms and inhibit the adhesive. EtOAc. , 1989; David et al, 1980). The principle of assay is that yeast cells have a structure similar to intestinal cells and can be agglomerated with Salmonella. The condensed state of Salmonella and yeast cells produce a settling effect, and the light suction value of the 600 nm waveleng...

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Abstract

The invention provides an enzyme-degraded galactomannan product with an antibiotic substitution effect, a preparation method and application thereof. The preparation includes extracting galactomannan from carob gum, and partially degrading the galactomannan with an enzyme, which is characterized in that the enzyme is β-mannanase. The enzymatically degraded galactomannan obtained by the preparation method of the present invention is a mixture of galactomannan, galactomannoligosaccharide and mannose. The enzyme-degraded galactomannan prepared by the invention is applied to the feeding of broilers, which can replace antibiotics, improve the apparent digestibility of dietary nutrients, and improve the growth performance of animals.

Description

Technical field [0001] The present invention belongs to the field of feed additives, and specific relates to an enzyme degradation galactomannan product and a preparation method thereof. Background technique [0002] In 1946, Moore was first reported for the growth of antibiotics. It added penicillin in the feed to improve the production performance of livestock and poultry, and then antibiotics were widely used in animal breeding to improve livestock production performance and improve feed utilization. In recent years, due to bacterial drug resistance caused by antibiotics, drug resistance genes can be transferred to people through animals, bringing potential threats to human health, and different countries began to limit antibiotics. In 1986, Sweden was first disabled against antibacterial promotion growth agents, and the EU banned all antibiotics in 2006 as promoting growth agents. In 2016, in 2016, my country was prohibited as a promotion of growth agents, restricted, and bus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P19/14A23K20/163A23K10/14
CPCA23K10/14A23K20/163
Inventor 乔宇高秀华石波谢静静彭晴徐小轻张宇微魏晨阳
Owner FEED RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES
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