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Title: Applications of phytase of thermophilic mould,Sporotrichum thermophile: A review
Authors: Singh, Bijender
Satyanarayana, T
Keywords: Phytase
Phytic acid
Plant growth promotion
Sporotrichum thermophile
Thermophilic mould
Issue Date: Jun-2010
Publisher: CSIR
Abstract: This study presents a review on applications of phytase from thermophilic fungal isolate, Sporotrichum thermophile. Under optimization, improvement in phytase production can be achieved in both solid state (2-fold) and submerged (2.6-fold) fermentations. Phytase could also be produced by alginate-immobilized S. thermophile, and enzyme production was sustainable over 5 repeated cycles. Purified phytase is a homopentameric glycoprotein (mol mass, 456 kD) and is optimally active at pH 5.0 and 60°C with a T1/2 of 16 h at 60°C and 90 min at 80°C. It is insensitive to trypsin and pepsin, and unaffected by EDTA. Phytase has all requisite properties for application as a feed and food additive, dephytinization of soymilk and wheat flour and soil conditioner for plant growth promotion.
Page(s): 411-414
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.69(06) [June 2010]

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