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Licensed Unlicensed Requires Authentication Published by De Gruyter September 22, 2022

An overview about the approaches used in the production of alpha-ketoglutaric acid with their applications

  • Monika Chopra , Vikas Kumar ORCID logo EMAIL logo , Manoj Singh and Neeraj K. Aggarwal
From the journal Physical Sciences Reviews

Abstract

Alpha ketoglutaric acid is a biological compound found naturally in the human body. It plays an important role in the cell metabolism and has a role in various metabolic pathways including Kreb’s cycle, protein metabolism and so on. Keto glutaric acid is chemically prepared from succinic acid and oxalic acid. It is a direct precursor of glutamic acid and triazines. It can be produced by oxidative decarboxylation of isocitrate by isocitrate dehydrogenase. The yeast Yarrowia lipolytica is used as a prospective producer of alpha ketoglutaric acid from ethanol. The capability to synthesize Keto glutaric acid has so far been investigated for many microorganisms such as Pseudomonas fluoroscens , Bacillus subtilis etc. P. fluoroscens have the ability to synthesize a huge amount of alpha ketoglutaric acid in a glycerol medium supplemented with manganese (Mn). The Mangnese has a significant impact on glycerol metabolism resulting in the buildup of alpha ketoglutaric acid. The metabolism of succinate may result in the production of alpha ketoglutarate. Despite its importance in TCA cycle, alpha ketoglutaric acid buildup as an intermediate product of bacterial glucose oxidation. Along with chemical synthesis and microbial fermentation, enzymatic transformation can also be used to produce alpha ketoglutaric acid. Biodiesel waste is considered as cheap and renewable carbon source for the development of alpha ketoglutaric acid. Alpha ketoglutarate is used for kidney disease, intestinal and stomach disorders and many other conditions. It also plays an important role in the food industry as food and nutrient enhancers. The review is covering all the aspects related with the Alpha ketoglutaric acid production, utilization and product recovery.


Corresponding author: Vikas Kumar, Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207, India, E-mail:

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: None declared.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2022-07-11
Accepted: 2022-08-27
Published Online: 2022-09-22

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