A kind of kimchi lactic acid bacteria capsule capable of reducing nitrosamines in human body and preparation method thereof

Abstract

The invention relates to the technical field of strain preparation, in particular to a kimchi lactic acid bacteria capsule capable of reducing nitrosamines in a human body and a preparation method thereof. The method comprises the steps of: 1) screening of nitrosamine-degrading strains; 2) screening of acid-resistant and bile-salt-resistant strains; 3) obtaining Lactobacillus pentosus and short lactobacillus with strong ability to degrade nitrosamines and acid- and bile-salt resistance. The bacilli were freeze-dried and crushed evenly; 4) The obtained Lactobacillus pentosus and Lactobacillus brevis were compounded at a ratio of 10:1‑1:2; 5) The fructose syrup: soybean oil: bacteria powder were mixed in proportion Uniformly make a paste, put the above mixed solution in a boiling coating machine, coat the enteric coating under the conditions of material temperature 30-45°C, spray pressure 0.1-0.50 MPa, flow rate 2-10 g / min, and dry for 2 hours before taking out. ‑10 min, use 10‑40 mesh to screen the whole grains. The kimchi lactic acid bacteria obtained by the method can reduce nitrosamines in the human body and have good enteric solubility.

Description

technical field [0001] The invention relates to the technical field of strain preparation, in particular to a kimchi lactic acid bacteria capsule capable of reducing nitrosamines in a human body and a preparation method thereof. Background technique [0002] Nitrosamine is a kind of N-nitroso compound, which is usually formed by nitrosylation of nitrite, amine and other nitrogen-containing substances under suitable conditions. [0003] Common foods, cosmetics, beer, and cigarettes all contain nitrosamines. Smoked and cured foods contain a large amount of nitrosamines, which will remain in the body after eating, and a large amount will endanger human health. The incidence of certain digestive system tumors, such as esophageal cancer, is related to the amount of nitrosamines ingested in the diet. For example, in countries such as Iceland, Finland and Norway, where smoked fish is customary, the incidence of stomach cancer is very high. Residents of gastric cancer and esophag...

AI Technical Summary

Problems solved by technology

Unreasonable processing methods can easily lead to excessive nitrosamines in food and endanger human health

However, common lactic acid bacteria preparations are not resistant to acid and salt in gastric acid after being taken by the human body, and are easy to die, and there are many proteases in the stomach and intestinal tract, which are easy to decompose lactic acid bacteria, and finally the number of lactic acid bacteria in the intestinal tract is very small

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