The invention belongs to the technical field of biological medicines, discloses application of
bifidobacterium breve BB990 in the field of
metabolism, and particularly discloses
bifidobacterium breve BB990 which is preserved in Guangdong
Microorganism Culture Collection Center, the preservation number is GDMCC No.63259, and the preservation date is March 10, 2023. The invention further discloses a preparation method of the
bifidobacterium breve BB990. The
bifidobacterium breve BB990 provided by the invention has the effects of regulating
gastrointestinal disorder, enhancing intestinal immune function, inhibiting harmful
bacteria, improving intestinal
flora structure, maintaining intestinal
steady state, regulating
immunity, improving immune
curative effect, regulating body glycometabolism and
liver metabolism and the like. Experiments prove that the
bifidobacterium breve BB990 can effectively prevent and treat metabolic diseases, such as non-
alcoholic fatty liver,
type II diabetes and the like, the
treatment effect of the
bifidobacterium breve BB990 is remarkably superior to that of other bifidobacterium breve (such as bifidobacterium breve 206), and the bifidobacterium breve BB990 has a good prospect.