the present invention relates to bacteria of lactobacillus fermentum with ability to inhibit the growth of mushroom Penicillium solitum deposited on no. access DSM32093,or the growth of mushroom Penicillium brevicompactum deposited on no. DSM32094 access, at least 50%.inhibiting activity can be determined in the analysis.including: (1) preparation of \u0444\u0435\u0440\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e dairy product by: (a) \u0438\u043d\u043e\u043a\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f milk lactobacillus fermentum in a concentration of at least 107 there (colon \u0438\u0435\u043e\u0431\u0440\u0430\u0437\u0443\u044e\u0449\u0430\u044f unit) \/ mr.and \u0437\u0430\u043a\u0432\u0430\u0441\u043e\u0447\u043d\u043e\u0439 culture, (b) \u0444\u0435\u0440\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f until ph 4.6 and (b) curing \u0444\u0435\u0440\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e milk by the addition of agra (2) obtaining at least e one spots p. solitum or p.brevicompactum on \u043e\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u043d\u043e\u043c \u0430\u0433\u0430\u0440\u043e\u043c \u0444\u0435\u0440\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c milk with a concentration of 500 a \/ blur and his \u0438\u043d\u043a\u0443\u0431\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 within 7 days for 25\u00b0C (3) the definition of% \u0438\u043d\u0433\u0438\u0431\u0438\u0440 \u043e\u0432\u0430\u043d\u0438\u044f through \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f greatest diameter of colony formed by p. solitum or r.brevicompactum, and expression of the diameter as a percentage of the greatest diameter, formed under the same conditions but in the absence of a strain of lactobacillus fermentum.the invention further relates to compositions containing the bacteria, methods of obtaining \u
