Submitted: 02 Dec 2012
Revised: 08 Jan 2013
Accepted: 10 Jan 2013
First published online: 20 May 2013
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Int J Enteric Pathog. 2013;1(1): e9359.
doi: 10.17795/ijep9359
  Abstract View: 489
  PDF Download: 565

Research Article

Phytase Activity of Lactic Acid Bacteria Isolated from Dairy and Pharmaceutical Probiotic Products

Zohreh Khodaii 1 * , Mahboobeh Mehrabani Natanzi 1, Mohammad Hassan Naseri 2,3, Mahdi Goudarzvand 4, Hillary Dodson 5, Anna M. Snelling 5

1 Department of Biochemistry, Genetic and Nutrition, Faculty of Medicine, Alborz University of Medical Sciences , Karaj, IR Iran
2 Department of heart surgery, Baqiyatollah University of Medical Sciences, Tehran, IR Iran
3 Chancellor of Alborz University of Medical Sciences, Karaj, IR Iran
4 Department of Physiology and Pharmacology, Faculty of Medicine, Alborz University of Medical Sciences, Karaj, IR Iran
5 Department of Biomedical Sciences, University of Bradford, UK
*Corresponding author: Zohreh Khodaii, Department of Biochemistry, Genetic and Nutrition, Faculty of Medicine, Alborz University of Medical Sciences , Karaj, IR Iran. Tel: +98-2634336007, Fax: +98-2634319188, Email: zkhodaii@yahoo.com

Abstract

Phytate, the major storage form of phosphorus in plant seeds, can form insoluble complexes with minerals such as iron, zinc and calcium thus reducing their bioavailability. Phytase enzymes are often used to upgrade the nutritional quality of phytate-rich foods and feeds such as grains. The phytate-degrading activity of 43 lactic acid bacteria including isolates from commercial probiotic preparations, dairy products and type strains were measured. The phytate-degrading activity of bifidobacteria and lactobacillus isolates from pharmaceutical probiotics, dairy products and type strains were determined. The enzyme activity of probotic bacteria ranged between 1.1-5.4 mU and was strain not species specific. Phytase activity may thus be a useful additional attribute of probiotics to be used as food supplements.

Please cite this paper as:

Khodaii Z, Natanzi MM, Naseri MH, Goudarzvand M, Dodson H, Snelling AM. Phytase activity of lactic acid bacteria isolated from dairy and pharmaceutical probiotic products.Int J Enterpathog. 2013; 01(01): 12-6. DOI: 10.17795/ijep9359

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