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Amino Acid Fermentation

Amino Acid Fermentations -In recent years there has been a rapid development of the production of particular amino adds by fermentation. Microorganisms can synthesize amino acids from inorganic nitrogen compounds. The rate and the amount of synthesis of some amino acids may exceed the cells need for protein synthesis, where upon the amino acids are excreted into the medium.

Some microorganisms are capable of producing sufficient amounts of certain amino acids, to justify their commercial production. The amino acids can be obtained from hydrolysing protein or from chemical synthesis, but in several instances the microbial process is more economical. Secondly, the microbiological method yields the naturally occurring L-amino acids

The demand for amino acids for use in foods, feeds, and in the pharmaceutical industries is expanding; moreover. When production costs decrease, a new usage is anticipated, as raw material for amino acid polymers.

Microbial production of amino acids shows two outstanding features which are not usually encountered in the development of other microbiological processes. One is the importance of auxotrophic micro organisms

These microorganisms were known only as useful tools in the analysis of metabolic pathways and in genetics but, today; they are proving of great value. The second feature is that a knowledge of metabolic control mechanisms can now be used to good purpose in industrial microbiological processes.

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