Production technology of lactobacillus plantarum fermented pear juice beverage

[0021] (1) Commercially available Lactobacillus plantarum ( lactobacillus plantarum ) into the liquid seed medium, placed in an incubator for constant temperature cultivation;

[0022] The suitable culture conditions are as follows: the culture temperature is 36°C, and the culture time is 16 hours. Obtain the seed solution containing the thalline;

[0023] Among them, the composition of the liquid seed medium is: 2.5g of soybean peptone, 2.0g of sucrose, 10ml of freshly squeezed snow pear juice with a sugar content of 10-15%, and distilled water to prepare 100mL, and adjust the pH to 7.0 for sterilization.

[0024] Among them, the suitable sterilization temperature is: 105°C; the sterilization time is 15 minutes.

[0025] (2) Select fresh snowflake pears free from diseases and insect pests, wash and squeeze juice, blend, sterilize and cool;

[0026] Add a certain amount of sucrose to snow pear juice to make the final concentration of sucrose (mass concentration m / v) reach 13

[0032] (1) Commercially available Lactobacillus plantarum ( lactobacillus plantarum ) into the liquid medium, placed in an incubator for constant temperature cultivation;

[0033] The suitable culture conditions are as follows: the culture temperature is 37°C, the culture time is 16 hours, and the seed solution containing the bacteria is obtained;

[0034] Among them, the composition of the liquid seed medium is: 3.0 g of soybean peptone, 3.0 g of sucrose, 15 ml of freshly squeezed snow pear juice with a sugar content of 10-15%, and distilled water is added to make 100 mL, and the pH is adjusted to 7.0 for sterilization;

[0035] Among them, the suitable sterilization temperature is: 105°C, and the sterilization time is 20 minutes;

[0036] (2) Select fresh snowflake pears free from diseases and insect pests, wash and squeeze juice, blend, sterilize and cool;

[0037] Add a certain amount of sucrose to snow pear juice to make the final concentration of sucrose (mass concentrati

[0043] (1) Commercially available Lactobacillus plantarum ( lactobacillus plantarum) into the liquid medium, placed in an incubator for constant temperature cultivation;

[0044] The suitable culture conditions are as follows: the culture temperature is 37°C, the culture time is 16 hours, and the seed solution containing the bacteria is obtained;

[0045] Among them, the composition of the liquid seed medium is: 4.0 g of soybean peptone, 4.0 g of sucrose, 20 ml of freshly squeezed snow pear juice with a sugar content of 10-15%, and distilled water is added to make 100 mL, and the pH is adjusted to 6.9 for sterilization;

[0046] Among them, the suitable sterilization temperature is: 111°C, and the sterilization time is 15 minutes;

[0047] (2) Select fresh snowflake pears free from diseases and insect pests, wash and squeeze juice, blend, sterilize and cool;

[0048] Add a certain amount of sucrose to snow pear juice to make the final concentration of sucrose (mass concentratio