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Oxygen-resistant bifidobacterium animalis

A technology of animal bifidobacteria and oxygen resistance, which is applied in the field of food science, can solve the problems of oxygen resistance and hydrogen peroxide tolerance, achieve good oxygen resistance and hydrogen peroxide tolerance, and have wide application prospects Effect

Active Publication Date: 2021-06-18
UNIV OF SHANGHAI FOR SCI & TECH
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  • Description
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Problems solved by technology

However, the oxygen resistance and hydrogen peroxide tolerance of the existing patent reported strains are not strong, such as patents CN201110089493.7 and 202010739487

Method used

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  • Oxygen-resistant bifidobacterium animalis
  • Oxygen-resistant bifidobacterium animalis
  • Oxygen-resistant bifidobacterium animalis

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Embodiment Construction

[0011] In order to make the technical means and effects realized by the present invention easy to understand, the present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0012]

[0013] An aerobic-resistant Bifidobacterium animalis AR668-R1 strain in this example has been preserved in the General Microbiology Center of the China Committee for the Collection of Microbial Cultures (Address: Beichen West Road, Chaoyang District, Beijing) on ​​July 27, 2020. No. 1 Courtyard No. 3), the preservation number is CGMCC No.20457.

[0014] The oxygen-resistant Bifidobacterium animalis AR668-R1 strain is obtained after the oxygen-resistant domestication of Bifidobacterium animalis AR668, and the specific process is as follows:

[0015] Materials used: Bifidobacterium animalis AR668, obtained from infant feces, obtained through isolation; Bifidobacterium BS medium, Qingdao Haibo Biotechnology Co., Ltd.

[0016] Instruments and...

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Abstract

The invention provides an oxygen-resistant bifidobacterium animalis AR668-R1 strain. The strain is preserved in the general microbiological center of the China Committee for Culture Collection of Microorganisms, and the preservation number of the strain is CGMCC No.20457. The strain can normally grow under a shake flask aerobic culture condition, the viable count of the strain can reach 1.7*10 <9> CFU / mL or above, the strain still can survive under the H2O2 concentration of 10.0 mM, the viable count and H2O2 tolerance of the oxygen-resistant bifidobacterium animalis AR668-R1 under the aerobic culture condition are remarkably higher than those of an existing strain, and the strain has good oxygen resistance and hydrogen peroxide tolerance, and has a wide application prospect in the food industry.

Description

technical field [0001] The invention belongs to the field of food science and technology, and in particular relates to an aerobic-resistant bifidobacterium AR668-R1 strain. Background technique [0002] As the most important type of probiotics in human and animal intestines, Bifidobacterium plays a vital role in maintaining the balance of intestinal microecology. Bifidobacteria play an important role in regulating intestinal flora, enhancing immunity, relieving lactose intolerance, and preventing infectious diarrhea, and are widely used in food, health products, and pharmaceuticals. The bifidobacteria approved by the General Office of the Ministry of Health in my country include Bifidobacterium animalis, Bifidobacterium bifidum, Bifidobacterium juvenile, Bifidobacterium infantis, Bifidobacterium breve and Bifidobacterium longum. Bifidobacteria in food for young children are only Bifidobacterium animalis. [0003] Bifidobacteria are widely used in foods such as milk powder, ...

Claims

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Application Information

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IPC IPC(8): C12N1/20C12R1/01
Inventor 艾连中熊智强夏永军王光强张汇宋馨
Owner UNIV OF SHANGHAI FOR SCI & TECH
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