Phytase Properties from Bifidobacterium animalis
2007
Oh, N.S. (Kongju National University, Yesan, Republic of Korea), E-mail: nsoh@kongju.ac.kr | Lee, B.H. (McGill University, Ste-Anne-de-Bellevue, QC, Canada)
Phytase activity was examined with various bifidobacterial strains cultured statically in MRS broth at 37℃ for 48 hr. Seven Bifidobacterium species showed mostly an intracellular phytase activity, though their specific activities were very low. The highest specific activity was found in Bifidobacterium animalis B33 strain, among 7 bifidobacteria tested. The specific activity was highest during the exponential growth phase. Carbohydrates and the concentration of phosphorus sources had an effect on the phytase activity and bacterial growth.
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