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  Section: General Biotechnology / Microbial Biotechnology
 
 
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Single Cell Protein (SCP) and Mycoprotein

 
     
 

Advantages of Producing Microbial Protein

Roth (1982) has described a number of advantages in the production of microbial protein, compared to protein problems of conventional crops used as food and feed. These include :

(i)    Rapid succession of generations (algae, 2-6h; yeast, l-3h; bacteria, 0.5-2h);

(ii)   Easily modifiable genetically (e.g. for composition of amino acids);

(iii) High protein content of 43-85 per cent in the dry mass;

(iv) Broad spectrum of original raw material used for the production, which also includes waste products;

(v)   Production in continuous cultures, consistent quality not dependent on climate in determinable amount, low land requirements, ecologically beneficial. Other advantages are : (a) high solar energy conversion efficiency per unit area (net production in cultivated land-290 gC/m2/day, lakes and streams - 225 gC/m2/day ; estuaries - 810 gC/m2/day), (b) easy regulation of environmental factors e.g. physical, nutritional, etc. which maximize solar energy conversion efficiency and yield (c) cellular, molecular and genetic alterations and (d) algal culture in space, which is normally unused instead of competing for land (Vijayan, 1988).

 

 

Content

Advantages of producing microbial protein

Microorganisms use as single cell protein (SCP)

Substrates used for the production of SCP

Nutritional values of SCP

Genetic improvements of microbial cells

Production of algal biomass

 

Factors affecting bio­mass production

 

Harvesting the algal biomass

 

Spirulina as SCP, cultivation and uses

Production of bacterial and actinomycetous biomass

 

Method of production

 

Factors affecting biomass production

 

Product recovery

Production of yeast biomass

 

Factors affecting growth of yeast

 

Recovery of yeast biomass

Production of fungal biomass (Other than Mushrooms)

 

Growth conditions

 

Organic wastes as substrates

 

Traditional fungal foods

 

 

Shoyu

 

 

Miso

 

 

Sake

 

 

Tempeh  

Mushroom culture

 

Historical background

 

Present status of mushroom culture in India

 

Nutritional values

 

Cultivation methods

 

 

Obtaining pure culture 

 

 

Preparation of spawns

 

 

Formulation and preparation of composts

 

 

Spawning, spawn running and cropping

 

Control of pathogens and pests

 

Cultivation of paddy straw mushroom

 

Cultivation of white button mushroom

 

Cultivation of Dhingri (Pleurotus sajor-caju)

 

Recipes of mushroom

 

 
     
 
 
     



     
 
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