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Purification and Biochemical Characterization of Phytase Enzyme from Lactobacillus coryniformis (MH121153)
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Purification and Biochemical Characterization of Phytase Enzyme from Lactobacillus coryniformis (MH121153)
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Journal Article
Purification and Biochemical Characterization of Phytase Enzyme from Lactobacillus coryniformis (MH121153)
2018
Overview
Phytase (myo-inositol hexaphosphate phosphohydrolase) belongs to phosphatases. It catalyzes the hydrolysis of phytate to less-phosphorylated inorganic phosphates and phytate. Phytase is used primarily for the feeding of simple hermit animals in order to increase the usability of amino acids, minerals, phosphorus and energy. In the present study, phytase isolation from the Lactobacillus coryniformis strain, isolated from Lor cheese sources, phytase purification and characterization were studied. The phytase was purified in simple three steps. The enzyme was obtained with 2.60% recovery and a specific activity of 202.25 (EU/mg protein). The molecular mass of the enzyme was determined to be 43.25 kDa with the sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) method. The optimum temperature and pH for the enzyme were found as 60 °C and 5.0 and respectively. To defined the substrate specificity of the phytase, the hydrolysis of several phosphorylated compounds by the purified enzyme was studied and sodium phytate showed high specificity. Furthermore, the effects of Ca2+, Ag+, Mg2+, Cu2+, Co2+, Pb2+, Zn2+ and Ni2+ metal ions on the enzyme were studied.
