Production of food – Micro-organisms are used for the production of curd, cheese, vinegar, etc. Yeast is used for making bread and in fer menting the solution used in the preparation of jalebi. Chlorella is used to make soup and other food ingredients. Food ingredients produced by chlorella are used for making ice – creams.
Preparation of medicines – Vitamin B12 is prepared from a bacteria named Clostridium botulinum and another bacteria named Anthracoid bacilli is used for preparing immunological substances. Penicillin, a life saving drug which is used as a vaccine and antibiotic, is prepared from a fungi named penicillium. Penicillin was discovered by Alexander Fleming.
