Which type of food would have lactic acid bacteria. Discuss their useful application.

Lactic acid bacteria (LAB) is widely used to ferment or culture food products. Lactic acid bacteria (LAB) is found in curd. It’s useful applications are:

i. The Lactic acid bacteria (LAB) is a type of bacteria whiczh can convert milk into curd by producing an enzyme called lactase. Lactase changes the milk protein lactose into lactic acid. The lactic acid produced coagulates the milk protein to convert it into curd.

ii. People who are allergic to lactose and suffer from a condition known as lactose tolerance. The bacteria is useful as it has the ability to remove or convert lactose.

iii. Lactic acid bacteria (LAB) increases the vitamin B₁₂ content.

iv. Lactic acid bacteria (LAB) is also present in our digestive system. It provides resistance to some pathogens in our digestive system.