Propionibacteria are able to produce a wide variety of food components that are benificial to the human health.The paper mainly introduces these probiotic substance.

• 丙酸杆菌在发酵过程中产生多种代谢产物,添加到食品中能够对人体起到营养保健作用。本文主要介绍丙酸杆菌的发酵产物中已被证实的具有益生作用的因子。