Question

Which of the following contain lactic acid? *

a) Ant’s sting

b) lemon

c) unripe grapes

d) sour milk​

Answer 1

Explanation:

lemon contain lactic acid

Answer 2

Answer:

sour milk

Answer. Lactic acid is found primarily in sour milk products, such as koumiss, laban, yogurt, kefir, and some cottage cheeses. The casein in fermented milk is coagulated (curdled) by lactic acid. Lactic acid is also responsible for the sour flavor of sourdough bread.