Propionic Acid: Method of Production, Current State and Perspectives

Area of Science:

• Biotechnology
• Industrial Microbiology

Background:

• Growing interest in bioproduction of propionic acid by Propionibacterium.
• Existing models are limited by low productivity yield.

Purpose of the Study:

• Comprehensive review of biotechnological aspects of propionic acid production.
• Identify strategies to overcome limitations and improve yield.

Main Methods:

• Synthesis and review of production processes, focusing on biological methods.
• Analysis of bioprocess variables impacting production.
• Discussion of extraction and analysis methods.

Main Results:

• Identified key propionic acid producers (e.g., Propionibacterium freudenreichii).
• Summarized various growth media and substrates (e.g., glucose, whey permeate, glycerol).
• Highlighted pH and temperature as critical bioprocess variables.

Conclusions:

• Biotechnological approaches are crucial for enhancing propionic acid bioproduction.
• Optimizing bioprocess variables can overcome current yield limitations.
• Further research into economical production strategies is needed.