Abstract and Keywords
This article examines the types of microorganisms used to produce microbial biomass protein (MBP), along with their physiology, growth parameters, nutritional requirements, and physicochemical parameters. There are four types of microorganisms used for biomass production: bacteria, yeast, fungi, and algae. The choice of the microorganism depends on the nutritional value of its biomass (energy, protein content, and amino acid balance), growth requirements, and toxicology. Desirable traits in such microorganisms to produce MBP are high specific growth rate and biomass yield, a wide range of temperatures for growth, tolerance to differences in pH, and few nutritional and growth factor requirements. The article first provides an overview of bacteria, yeast, fungi, and algae as used in the production of MBP before discussing the use of grass and woods for MBP production. It also describes the MBP process and concludes by highlighting new innovations and future challenges to MBP production.
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