Bifidobacterium pseudocatenulatum CCFM1046, composition, fermented food, applications, microbial inoculum and preparation method thereof
A bifidobacterium and fermented food technology, applied in the field of microorganisms, can solve problems such as irritating the gastrointestinal tract, liver function damage, and affecting patients, and achieve the effects of alleviating weight gain, improving weight gain, and reducing Parkinson's disease
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Embodiment 1
[0084] Example 1: Pseudo-small chain Bifidobacterium CCFM1046 has good tolerance to simulated gastrointestinal fluid
[0085] Inoculate the cryopreserved Pseudomonas bifidobacterium CCFM1046 in mMRS medium (MRS medium + 0.05% cysteine hydrochloride), culture anaerobically at 37°C for 48 hours, and then subculture in mMRS medium for 2 After ~3 times, take 1mL of the culture solution of Bifidobacterium pseudospermia CCFM1046, mix it with 9.0mL of pH 2.5 artificial simulated gastric juice (mMRS medium containing 1% pepsin, pH=2.5), and anaerobically For culture, samples were taken at 0h, 0.5h, 1h and 2h respectively, poured and cultured with mMRS agar medium to count plate colonies, determine the number of viable bacteria and calculate their survival rate.
[0086]The survival rate is the ratio of the logarithmic value of the number of viable bacteria at the time of sampling to the logarithmic value of the number of viable bacteria at the time of 0h in the culture fluid, expres...
Embodiment 2
[0091] Example 2: Bifidobacterium pseudosmall-chain CCFM1046 has no toxic or side effects on C57BL / 6J mice. Bifidobacterium pseudo-small-chain CCFM1046 bacteria were resuspended in 3% sucrose solution to make a concentration of 3.0 × 10 8 CFU / mL bacterial suspension. Get 6 healthy male C57BL / 6J mice with a body weight of about 20g. After acclimating to the environment for a week, give the bacterial suspension of this concentration orally once a day, observe for a week, and record the death and body weight.
[0092] The results of these tests are listed in Table 3. These results indicate that feeding concentrations of 3.0×10 8 The pseudo small chain bifidobacteria CCFM1046 of CFU / mL did not cause significant impact on mice, and the body weight had no significant change, and no death phenomenon occurred. The appearance of the mice had no obvious pathological symptoms.
[0093] Table 3 Changes in body weight and death of mice
[0094]
[0095] Note: -: no death of mice
Embodiment 3
[0096] Embodiment 3: Pseudosmall chain Bifidobacterium CCFM1046 has a recovery effect on the intestinal flora imbalance caused by high-fat feed
[0097] 36 healthy male C57BL / 6J mice weighing 18-20 g were taken, adapted to the environment for 1 week, and randomly divided into 6 groups: blank control group (NC), high-fat model control group (HFD), simvastatin control group (SC ), the rosiglitazone control group (RH), the Bifidobacterium pseudobacterium CCFM1046 intervention group (CCFM1046), the Bifidobacterium animalis BB12 control group (BB12), each group contained 6 mice, and the bacteria suspension The dose is 3.0 x 10 8 CFU / mL, resuspended in 3% sucrose solution. The grouping and treatment methods of experimental animals are shown in Table 4:
[0098] Table 4 Grouping of experimental animals
[0099]
[0100] The body weight of the mice was monitored regularly during the experiment.
[0101] At the end of the experiment, the fresh feces of the mice were collected an...
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