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Phytases from thermophilic molds: Their production, characteristics and multifarious applications

Paper ID Volume ID Publish Year Pages File Format Full-Text
34896 45059 2011 8 PDF Available
Title
Phytases from thermophilic molds: Their production, characteristics and multifarious applications
Abstract

The phytases of thermophilic molds are histidine acid phosphatases that catalyze the hydrolysis of phytic acid (myo-inositol hexakisdihydrogen phosphoric acid) to inorganic phosphate and myo-inositol through a series of myo-inositol phosphate intermediates. Phytases can be produced by thermophilic molds in solid-state and submerged fermentations. The biochemical properties of the phytases from thermophilic molds suggest that they are phosphate ester hydrolyzing enzymes, ranging in molecular mass from 54 to 456 kDa depending on the source and are usually active within pH and temperature ranges of 4.5–7.0 and 50–70 °C, respectively. Phytases not only degrade phytic acid to increase the availability of phosphorus but also improve the nutritional value of foods by making minerals such as calcium, iron, magnesium and zinc and proteins available for monogastrics. Thermophilic fungal phytases are known to hydrolyze insoluble phytates, to improve the bread-making process, to dephytinize food ingredients and to help in the promotion of plant growth. This review addresses the production, characteristics and multifarious applications of phytases from thermophilic molds.

Keywords
Phytic acid; Phytase; Thermophilic molds; Dephytinization; Plant growth promotion; Bread-making; Environmental phosphorus pollution
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 46, Issue 7, July 2011, Pages 1391–1398
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us