The cellulose (BC) carriers used for immobilization of Lactobacillus by adsorption-incubation method are presented in Fig. 1. It was found that after 5 h of incubation of BC samples with probiotic bacteria, the highest density and number of immobilized microorganismswas recorded for L. delbrueckii and L. plantarum, whereas in the case of L. casei the number of immobilized bacteria was considerably lower