• More that 25% of human population is suffering from hunger and malnutrition.
  • One of the alternating sources of proteins for animal and human is SCP.
  • Production of biomass (protein) in large scale using micro-organism and low cost raw material is called single cell proteins.


  • Microbes like Spirulina grown on waste water from potato processing plants, straw, molasses, animal manure and even sewage, to produce large quantities of biomass with rich in protein, mineral, fats, carbohydrate and vitamins.
  • It has been calculated that 250 kg cow produces 200gm of protein per day. In the same period 250gm of micro-organism like Methylophilus methylotophus, expected to produce 25 tones of protein.
  • Another example is production of biomass like mushroom from straw.

Process of Single cell protein production:


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