Probiotic composition for preventing type II diabetes as well as preparation method and application thereof
A technology for probiotics and compositions is applied in the field of probiotic composition preparation, which can solve problems such as adverse reactions in the gastrointestinal tract, hypoglycemia, etc., and achieve the effects of good effect, high number of viable bacteria and strong stability
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Embodiment 1
[0033] Example 1 A preparation method of a probiotic composition for preventing type II diabetes
[0034] The preparation method of the probiotic composition in the present embodiment comprises the following steps carried out in sequence:
[0035] 1) Preparation of Lactobacillus plantarum N3117 bacterial powder
[0036] Take 10 parts of casein peptone, 12 parts of beef extract, 4 parts of yeast extract, 22 parts of glucose, 6 parts of sodium acetate, 1.5 parts of diamine citrate, 1 part of Tween-80, K 2 HPO 4 2.5 parts, MgSO 4 ·7H 2 O 0.15 parts, MnSO 4 ·7H 2 O 0.04 parts and 1000 parts of distilled water, mix well to prepare MRS liquid medium.
[0037] Get 0.2kg of Lactobacillus plantarum N3117 and inoculate it in the MRS liquid medium of 10kg (the inoculum size of Lactobacillus plantarum N3117 is 2% of the weight of the MRS liquid medium, marked as FL1), after 40°C anaerobic proliferation and cultivation for 52h, the obtained The cultured bacterial solution was centr...
Embodiment 2~6
[0043] The preparation method of embodiment 2~6 probiotic composition
[0044] Examples 2 to 6 are respectively a preparation method of a probiotic composition, and their steps are basically the same as in Example 1, the difference is only in the amount of raw materials, see Table 1 for details:
[0045] Table 1 The amount of raw materials in the probiotic composition and a list of parameters
[0046]
[0047]
[0048] The content of the other parts of Examples 2-6 is the same as that of Example 1.
Embodiment 7
[0049] Example 7 Preventive effect of probiotic composition on blood sugar in type II diabetic rats
[0050] 40 clean healthy male SD rats were randomly divided into normal control group (ND group, n=10), diabetes model group (DM group, n=10), preventive high-dose group (Pre-High group, n=10 ) and the low-dose prevention group (Pre-Low group, n=10), the ND group was fed with common feed, and the remaining three groups were fed with high-fat feed and mixed with high and low doses of bacterial powder for prevention. After feeding for 4 weeks, the model group and the composition intervention group received once or twice STZ (30mg / kg) to induce diabetes by intraperitoneal injection, and the fasting blood glucose and postprandial 2h blood glucose data of the rats in the diabetes model group and the composition intervention group were analyzed, Fasting blood glucose level ≥ 7.8mmol / L and 2h postprandial blood glucose level ≥ 11.1mmol / L were the successful criteria for modeling. Rat...
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