To reduce the per

Microbes used as food supplement are:

i. Spirulina: it is blue green algae which are grown to produce large quantities of food rich in protein, minerals, fats, carbohydrates and vitamins.

ii. Methyllithiums methylotrophs: It is a single cell protein bacterium. 250 gm of Methyllithiums methylotrophs produces 25 tonnes of protein per day.