Potential Bacillus subtilis alpha-amylase-based time-temperature integrators to evaluate pasteurization processes

被引:11
|
作者
vanLoey, A [1 ]
Hendrickx, M [1 ]
Ludikhuyze, L [1 ]
Weemaes, C [1 ]
Haentjens, T [1 ]
deCordt, S [1 ]
Tobback, P [1 ]
机构
[1] KATHOLIEKE UNIV LEUVEN, FAC AGR & APPL BIOL SCI, DEPT FOOD & MICROBIAL TECHNOL, LAB FOOD TECHNOL, B-3001 LOUVAIN, BELGIUM
关键词
Bacillus subtilis alpha-amylase; time-temperature integrator; food safety; pasteurization processes;
D O I
10.4315/0362-028X-59.3.261
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Thermal inactivation kinetics of Bacillus subtilis alpha-amylase (BSA) in different environmental conditions was studied by performing isothermal experiments. As a response property, residual enzymic activity and residual heat of enzyme deterioration were chosen. A comparison of processing values determined from the read-out of a system with actual integrated processing values revealed the potentials of these systems as time-temperature integrators to be used in the pasteurization domain (temperatures of 70 to 100 degrees C) for tar et attributes with z-values ranging from 6 to 12 degrees C.
引用
收藏
页码:261 / 267
页数:7
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