The growth, properties and interactions of yeasts and bacteria associated with the maturation of Camembert and blue-veined cheeses

被引:121
作者
Addis, E [1 ]
Fleet, GH [1 ]
Cox, JM [1 ]
Kolak, D [1 ]
Leung, T [1 ]
机构
[1] Univ New S Wales, Dept Food Sci & Technol, Sydney, NSW 2052, Australia
关键词
cheese maturation; yeasts; bacteria; Debaryomyces hansenii; Yarrowia lipolytica; Acinetobacter; Staphylococcus; Micrococcus;
D O I
10.1016/S0168-1605(01)00569-4
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The growth of yeasts and bacteria were monitored during the maturation of Camembert and blue-veined cheese produced in Australia. Yeasts were prominent throughout maturation, growing to 10(5)-10(9)/g, depending on the manufacturer. Debaryomyces hansenii predominated, but there were lesser, inconsistent contributions from Yarrowia lipolytica. Of the non-lactic acid bacteria, Acinetobacter species were significant during the maturation of Camembert but not blue-veined cheeses, and grew to 10(6)-10(8) cfu/g. Staphylococcus and Micrococcus species were consistently isolated from the cheeses with Staphylococcus xylosus growing to 10(5)-10(9) cfu/g, depending on the product. Lactic acid bacteria (10(7)-10(9) cfu/g) were present throughout maturation but were not identified. Interactions between the various yeasts and bacterial isolates were examined. Several strains of D. hansenii exhibited killer activity but not against Y. lipolytica. None of the yeasts were antagonistic towards the bacteria but some strains of D. hansenii enhanced the growth of Y. lipolytica and S. xylosus. The yeast and bacterial isolates exhibited various degrees of extracellular proteolytic and lipolytic activities. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:25 / 36
页数:12
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