First slide

Microbes in Household Products

Question

Conversion of milk to curd improves its nutritional value by increasing the amount of

Easy

A

vitamin D
B

vitamin A
C

vitamin $B_{12}$
D

vitamin E

Solution

Micro-organisms such as Lactobacillus and others commonly called lactic acid bacteria (LAB) grow in milk and convert it to curd. A small amount of curd added to the fresh milk as inoculum or starter contain millions of LAB, which at suitable temperatures multiply, thus converting milk to curd, which also improves its nutritional quality by increasing vitamin $B_{12}$ . In our stomach too, the LAB play very beneficial role in checking disease causing microbes.

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