noun
lactic acid bacteria; lactic-acid bacilli
Refers to bacteria that produce lactic acid, often discussed in the context of fermented foods and gut health.
ヨーグルトには乳酸菌が多く含まれている。
Yogurt contains a lot of lactic acid bacteria.
乳酸菌は腸内環境を整える
Lactic acid bacteria are said to improve the intestinal environment.