Table 1.

Influence of cryopreservation on the content of plastid pigments (mg/g FW, % of control) in the tissues of H. rumeliacum and H. tetrapterum.

	Chlorophyll a		Chlorophyll b		Carotenoids
Variants	(mg/g FW)	(% of control)	(mg/g FW)	(% of control)	(mg/g FW)	(% of control)
H. rumеliacum control	0.77 ± 0.03	100	0.43 ± 0.01	100	0.13 ± 0.006	100
H. rumeliacum cryo	0.63 ± 0.02	82	0.32 ± 0.01	74	0.17 ± 0.007	131
H. tetrapterum control	0.88 ± 0.03	100	0.51 ± 0.02	100	0.19 ± 0.007	100
H. tetrapterum cryo	0.90 ± 0.04	102	0.47 ± 0.02	92	0.20 ± 0.007	105