Ncert Exercises & Solutions

Q. 57 Which type of food would have lactic acid bacteria? Discuss their useful application.

The most common food item that are curd, and yoghurt contain Lactic Acid Bacteria (LAB) of Lactobacillus species. Curd is formed by adding a small amount of curd to milk, which acts as a starter. Microbes present in starter multiply at suitable temperature and convert milk into curd.

Acids released by LAB during the growth coagulate and partially digest milk protein, casein thus increases the digestibility of milk protein

Application of LAB

(i) Improves nutritional quality of milk by increasing vitamin- $B_{12}$ .

(ii) Checks disease-causing microbes in stomach.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions