Extenders have been developed using saline- and sugar-based diluents (Yao et al., 1995; Urbányi et al., 1999). Cryoprotectants prevent the formation of ice crystals during freezing
Extendershave been developed using saline- and sugar-baseddiluents (Yao et al., 1995; Urbányi et al., 1999). Cryoprotectantsprevent the formation of ice crystals duringfreezing