Table 1. Summary of the (Z)-3-hexenal reductase purification process from Arabidopsis leaves.

Purification Step	Total Protein	Total Activity	Specific Activity	Purification	Yield
	mg	nkat	nkat mg−1	-fold	%
Crude extract	1,707	1,062	1.66	1	100
Ammonium sulfate	1,634	592	26.0	0.58	55.7
Butyl-Toyopearl	83.7	90.0	10.8	1.73	8.47
Hydroxyapatite	0.28	21.2	6.62	119	1.99
HiTrap DEAE	0.031	3.94	7.88	209	0.37