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. 1998 Nov;64(11):4423–4427. doi: 10.1128/aem.64.11.4423-4427.1998

FIG. 4.

FIG. 4

Phytase pH-activity profile; comparison of relative enzyme activity at various incubation pHs. A relative activity of 100% corresponds to 1 and 1.21 μmol of inorganic phosphate released per min for A. niger and T. lanuginosus phytases, respectively. Solid square, A. niger phytase; open circles, T. lanuginosus phytase.