Question

how did pasteur prove himself to be useful to the manufacturer of lille​

Answer 1

Louis Pasteur worked in the university of Lille, which was involved in alcohol manufacturing. In 1856, a man asked Pasteur the solution to his beer going sour. Pasteur found out the reason to be the micro organisms in air. These microbes were responsible for putrefaction or sourness of beer. This discovery of Pasteur made Pasteur important.

Answer 2

Pasture prove himself to be useful to the manufacture of Lily by the method of pasteurization heating wine or anything at 60 degree Celsius makes germ harmless then the pasteurized solution are stored in bottle and sealed .thus he proved himself