Question

who discovered fermentation and when

Answer 1

In 1857, Pasteur showed that lactic acid fermentation is caused by living organisms. In 1860, he demonstrated that bacteria cause souring in milk, a process formerly thought to be merely a chemical change, and his work in identifying the role of microorganisms in food spoilage led to the process of pasteurization.

Answer 2

In the year 1857 , Louis Pasteur discovered the process of fermentation .