The article presents the results of studying the stability of the main indicators of probiotic cultures Lactobacillus plantarum No. 7 and Bifidobacterium adolescentis No. 17 as part of a bacterial mixture during storage. The prebiotic component lactulose was added to the bacterial mixture at a concentration of 1.5%. The stability of the synbiotic bacterial mixture in vials and capsules when stored under appropriate conditions (in a place protected from light, at a temperature of 4–8°C) has been studied. Experiments have shown that the preservation of the liquid form of the bacterial mixture with the addition of a prebiotic component at a temperature of 4–8°C is possible for one month without a decrease in activity indicators, and for lyophilized form — for 12 months
The paper presents the results of studying the level of adhesive activity of probiotic cultures. It has been found that the studied cultures showed different ability to adhesion. The highest adhesion coefficient was found in the strains B. adolescentis 17 (64.2 ± 7.30%), B. adolescentis 23 (61.5 ± 3.27%), B. adolescentis 17-316 (60.1 ± 5,97%), and L. plantarum 7 (59.8 ± 5.01%). Studies have shown that after 3 years of storage, 4 strains (26.7%) turned out to be highly adhesive, and 2 strains (13.3%) — medium adhesive. When determining the adhesive properties of the studied microorganisms after 4 years of storage, it was found that 4 microorganisms (26.7%) were highly adhesive and 1 (6.7%) — medium adhesive
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