›› 2018, Vol. 45 ›› Issue (4): 1074-1081.doi: 10.16431/j.cnki.1671-7236.2018.04.030

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Advances in Metabolism and Physiology of Propionibacterium freudenreichii

CHEN Guifang1, LIU Yan1,2, SHAN Chunqiao2, FENG Liuliu1, JIANG Guotuo1,2   

  1. 1. Jiangsu Sanyi Bioengineering Co., Ltd., Pizhou 221300, China;
    2. Dalian Sanyi Animal Medicine Co., Ltd., Dalian 116036, China
  • Received:2017-10-17 Online:2018-04-20 Published:2018-04-25

Abstract:

Propionibacterium freudenreichii (P.freudenreichii) is a gram-positive strain,mesophilic,aerotolerant and pleomorphic rods.And it is a safe strain with propionic acid as the final product of fermentation.P.freudenreichii is traditionally used as a starter for aroma production and holes of Swiss cheeses.It can produce vitamin B12 and propionic acid which humans and animals need,and promote the bifidogenic growth and has the anti-inflammatory properties.This paper introduced the safety,unique metabolic pathways and physiological characteristics of P.freudenreichii,and described its application in aroma formation of cheese,probiotic effects and protectants of food and feed in detail.Besides,the paper emphatically introduced the mechanism of aroma in cheese,and summarized the biogenic characteristics from the aspects of regulating the balance of intestinal flora,producing conjugated linoleic acid,probiotic metabolic activity,immunomodulatory effect and Helicobacter pylori antagonism.All of above provide the theoretical basis for full use of the biodiversity of P.freudenreichii.

Key words: Propionibacterium freudenreichii; aroma of cheese; probiotic properties; protectant

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