Domestication method of probiotic strain, probiotic strain, micro emulsion and preparation method of micro emulsion

The invention provides a domestication method of a probiotic strain, the probiotic strain, a micro emulsion and a preparation method of the micro emulsion, and relates to the technical field of microorganisms. The domestication method comprises the following steps: inoculating bifidobacterium longum, lactobacillus and enterococcus into a domestication culture medium for nutrition domestication, and then sequentially carrying out temperature-resistant adaptation domestication and pH-resistant adaptation domestication to obtain the probiotic strain. After the probiotics are subjected to nutrition domestication, temperature-resistant adaptive domestication and pH-resistant adaptive domestication, the survival rate of the probiotics in the preparation process of the micro-ecological regulator micro emulsion is high, and the probiotics can adapt to transportation and storage environments, so that the probiotics product has higher activity or better effect. Besides, the probiotic strain obtained by domestication ac