Table 2.

Affinity of the Aspergillus niger purified phytase to various substrates.

Substrates	Relative activity%
Sodium phytate*	100.00
Phenyl phosphate	87.38
1-Naphthyl phosphate	82.61
2-Naphthyl phosphate	74.54
p-Nitrophenylphosphate	63.65
Glycerol-2-phosphate	55.52
Adenosine monophosphate	35.95
Glucose-1-phosphate	32.28
Adenosine diphosphate	19.72

^*100% activity was obtained when sodium phytate.