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Pig-origin bacillus amyloliquefaciens spray drying technology

A technology of amylolysis spores and drying process, which is applied in the direction of bacteria and preserved microorganisms, and can solve the problems of low survival rate of bacteria

Inactive Publication Date: 2015-11-18
黑龙江省兽医科学研究所
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  • Abstract
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  • Application Information

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Problems solved by technology

However, in the prior art, there is a problem in the spray-drying process of Bacillus amyloliquefaciens from pigs: after spray-drying, the survival rate of the bacteria is low, and the general survival rate is between 69% and 72%.

Method used

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  • Pig-origin bacillus amyloliquefaciens spray drying technology
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  • Pig-origin bacillus amyloliquefaciens spray drying technology

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specific Embodiment approach 1

[0009] Specific embodiment one: a spray drying process of porcine-derived Bacillus amyloliquefaciens, characterized in that: the first step is to prepare the porcine-derived Bacillus amyloliquefaciens cell fermentation liquid; Adding the protective agent that concentration is 20% (W / V) in the Bacillus amylobacter thalline fermented liquid; The 3rd step, carry out spray drying by spray drier, setting parameter is: feeding speed is 1200mL / h, and inlet temperature is 150°C, the outlet temperature is 90°C.

[0010] The second specific embodiment is a further description of the spray drying process of the porcine-derived Bacillus amyloliquefaciens described in the first specific embodiment. It is 3g of sucrose, 10g of skimmed milk powder, 2g of sorbitol, 2g of fructo-oligosaccharide, and 3g of glycerin.

[0011] The third specific embodiment is a further description of the spray drying process of the porcine-derived Bacillus amyloliquefaciens described in the first specific embodi...

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Abstract

The invention discloses a pig-origin bacillus amyloliquefaciens spray drying technology, and relates to the field of pig-origin bacillus amyloliquefaciens preparation technologies. The technology comprises the steps that firstly, pig-origin bacillus amyloliquefaciens fermented liquid is prepared; secondly, a protective agent with the concentration of 20% (W / V) is added into the pig-origin bacillus amyloliquefaciens fermented liquid obtained in the first step; thirdly, spray drying is carried out by a spray drying machine, wherein the feeding speed is 1200 mL / h, the inlet temperature is 150 DEG C, and the outlet temperature is 90 DEG C. The pig-origin bacillus amyloliquefaciens spray drying technology is used for pig-origin bacillus amyloliquefaciens spray drying.

Description

technical field [0001] The invention relates to a preparation process of porcine-sourced bacillus amyloliquefaciens, in particular to a spray-drying process of porcine-sourced bacillus amyloliquefaciens. Background technique [0002] Bacillus amyloliquefaciens can efficiently secrete a variety of proteins, digestive enzymes, antibiotics and other beneficial metabolites. It has the functions of regulating the balance of animal intestinal flora, improving growth performance, and enhancing immunity. Therefore, Bacillus amyloliquefaciens is an ideal Probiotics. The spray drying method is to atomize a certain concentration of feed liquid, mix it uniformly with hot air, and process the feed liquid into a powdery dry preparation. This method has the characteristics of simple process, low cost, and easy promotion. Since the feed liquid needs to be exposed to high-temperature air during the spray drying process, probiotics for production must have certain high-temperature resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20C12N1/04
Inventor 刘宇李阳王爽张鹏宇史同瑞朱战波
Owner 黑龙江省兽医科学研究所
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