Table 3.

Changes of superoxide dismutase (SOD) activity (U mg⁻¹ prot., % of control) and catalase (CAT) activity (ΔE min⁻¹ mg⁻¹ prot, % of control) in H. rumeliacum and H. tetrapterum after cryopreservation.

	SOD		CAT
Variants	(U mg−1 prot.)	(% of control)	(ΔE min−1 mg−1 prot)	(% of control)
H. rumeliacum control	76.63 ± 33.60	100	5.57 ± 0.22	100
H. rumeliacum cryo	130.27 ± 5.08	170	12.25 ± 0.44	220
H. tetrapterum control	48.07 ± 2.40	100	14.24 ± 0.66	100
H. tetrapterum cryo	68.74 ± 3.29	143	16.38 ± 0.62	115