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Microbial tannases: biosynthesis, purification, characterization and potential industrial applications.
Rasiravathanahalli Kaveriyappan Govindarajan1, Ragothaman Prathiviraj2, Randa Mohammed Zaki3
1Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu 641021, India; Centre for Natural Products and Functional Foods, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu 641021, India.
Microbial tannases, enzymes that break down tannins, are crucial for various industrial and environmental applications. This review explores their sources, metabolism, and properties for enhanced utilization.
Area of Science:
- Biochemistry
- Microbiology
- Enzymology
Background:
- Tannases are esterases hydrolyzing ester and depside bonds in tannins, yielding glucose and gallic acid.
- These enzymes are prevalent in animals, plants, and microbes, with fungi and bacteria being primary sources.
- Tannases have emerging applications in food, beverage, animal feed, pharmaceuticals, and effluent treatment.
Purpose of the Study:
- To investigate microbial tannases, focusing on their sources and tannin metabolism.
- To review the biochemical properties, gene cloning, expression, and structural aspects of microbial tannases.
- To enhance understanding of microbial tannases for industrial and environmental applications.
Main Methods:
- Literature review of microbial tannase research.
- Analysis of tannin metabolism mechanisms in microorganisms.
- Exploration of tannase gene expression and structural studies.
Main Results:
- Identification of diverse microbial sources for tannase production.
- Elucidation of tannin degradation pathways by microorganisms.
- Overview of tannase biochemical characteristics and genetic manipulation.
Conclusions:
- Microbial tannases are versatile enzymes with significant industrial and environmental potential.
- Further research into tannase properties and engineering can optimize their applications.
- This review provides a comprehensive understanding of microbial tannases for researchers and industry professionals.
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