Lactobacillus reuteri JYLB-131 for increasing vitality of alcohol dehydrogenase of people after drinking, and application of lactobacillus reuteri JYLB-131 to foods and drugs
A technology of JYLB-131 and Lactobacillus reuteri, which is applied to the functions, applications, and food ingredients of food ingredients, can solve the problems of expensive hangover drugs, lack of liver protection, and incontinence. To prevent lipid peroxidation and the harm of certain chemical substances, help the distribution of wine, and relieve discomfort symptoms
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[0050] The preparation method of the medium: add peptone, beef powder, yeast powder, K 2 HPO 4 ·7H 2 O, triammonium citrate, sodium acetate 3H 2 O, glucose, Tween 80, MgSO4 7H 2 O, MnSO4 4H 2 O, mix evenly, adjust the pH value to 6.2-6.5, subpackage, sterilize at 115°C for 15 minutes, and prepare MRS liquid medium;
[0051] The preparation of described plate medium: add peptone 10g, beef powder 5g, yeast powder 4g, K in 1000mL distilled water 2 HPO 4 ·7H 2 O 2g, triammonium citrate 2g, sodium acetate 3H 2 O 5g, glucose 20g, Tween 80 1mL, MgSO4 7H 2 O0.2g, MnSO4 4H 2 O 0.05g, mix evenly, add 15g of agar, adjust the pH value to 6.2~6.5, subpackage, the temperature is 115 ℃, and sterilize for 15 minutes to prepare the plate culture medium;
[0052] MRS liquid medium Ⅰ: add beef extract 10g, yeast extract 5g, peptone 10g, anhydrous sodium acetate 5g, calcium carbonate 1g, Tween-80 1mL, K in 1000mL distilled water 2 HPO 4 2g, 20g grapes, 5mL salt solution A, mix well, ...
Embodiment 1
[0055] A kind of Lactobacillus reuteri JYLB-131 provided by the invention
[0056] 1. The source of the strain
[0057] The sample came from the feces of a 30-year-old healthy male in Dali, Sichuan (adult male with no family genetic disease history);
[0058] 2. Isolation and purification of strains
[0059] 1) Dilute the sample in 10 gradients under sterile conditions, add deionized water to the sample, mix well, and prepare the bacterial solution;
[0060] 2) Inoculate 100 μL of the bacterial solution on the plate medium, and incubate overnight under anaerobic conditions at 37°C until the characteristic colonies with a diameter of 1.5 mm to 3 mm, a smooth surface, milky white, and regular surroundings grow out;
[0061] 3) Pick a characteristic colony with a diameter of 3 mm, inoculate it on a new plate medium, and anaerobically activate it at 37°C for 1 day to obtain a culture strain named JYLB-131.
[0062] 3. Identification of strains
[0063] 1) Select general primer...
Embodiment 2
[0068] Antioxidative properties of Lactobacillus reuteri JYLB-131
[0069] 1) Strain selection
[0070] Selected strains: Lactobacillus reuteri JYLB-131, ATCC53608, ATCC55148, ATCC55739, ATCC23272, DSMZ 8535, JCM 2764, DSMZ 20056, DSMZ 20053;
[0071] 2) Preparation of detection bacteria solution
[0072] Taking Lactobacillus reuteri JYLB-131 as an example to prepare Lactobacillus reuteri JYLB-131 for different culture time to be tested
[0073] ①The inoculation amount is calculated according to the volume ratio of 1%. Inoculate 1% Lactobacillus reuteri JYLB-131 into the MRS liquid medium, and cultivate it for 30 hours at 37°C. 1 hour and 30 hours of fermentation broth, and then the fermentation broth cultivated for different periods of time was centrifuged for 20 minutes at a speed of 3500 rpm, and the supernatant was taken respectively, and the pH value was adjusted to 6.0 to obtain 12 hours of cultivation. Lactobacillus reuteri JYLB-131 detection bacteria liquid, Lactoba...
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