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Table 2 Effect of metal ions on the activity of the purified phytase

From: Purification and characterization of a novel neutral and heat-tolerant phytase from a newly isolated strain Bacillus nealsoniiZJ0702

Metal ionsa

Relative activity (%)b

1 mM

5 mM

Ba2+

48

22

Ca2+

104

99

Cu2+

63

35

Co2+

43

21

Mg2+

97

62

Mn2+

73

51

Ni2+

40

20

Zn2+

52

28

  1. aThe counter ion of these metal ions is Cl−.
  2. bControl samples are phytase solutions without the addition of the metal ions.
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BMC Biotechnology

ISSN: 1472-6750

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