Table 1.

Enzyme activity of Bromelain in Ananas Comosus extract at different levels of purification

Sample	Protein (mg/ml)	Enzyme activity (GDU/g)	Specific activity	Purification fold
Crude extract	2.43 ± 0.41	844 ± 3.46	347.32	1.0
Extract after salt precipitation and dialysis	0.83 ± 0.056	857 ± 3.46 *	1032.53	2.97
Extract after ion exchange Chromatography	0.45 ± 0.19	1130.6 ± 122.4*	2512.44	7.23

Mean ± S.D (n = 3), * p < 0.05 vs crude extract