INHIBITION OF BACILLUS SPORES BY COMBINATIONS OF HEAT, POTASSIUM SORBATE, NACL AND PH

被引:10
作者
OLOYEDE, OB [1 ]
SCHOLEFIELD, J [1 ]
机构
[1] UNIV STRATHCLYDE,DEPT BIOSCI & BIOTECHNOL,DIV FOOD SCI,GLASGOW G1 1SD,SCOTLAND
关键词
BACTERIAL SPORES; CHEMICAL PRESERVATIVES; HEAT; INHIBITION;
D O I
10.1007/BF00367672
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
Viability of spores of Bacillus cereus was totally inhibited at 85-degrees-C over 30 min by adding 0.4% (w/v) potassium sorbate with 6% (w/v) NaCl at pH 4.5. Viability of B. stearothermophilus spores was totally inhibited at 95-degrees-C for 45 min in a buffer at pH 4.2 containing 0.8% (w/v) potassium sorbate and 8% (w/v) NaCl. A synergistic inhibitory effect was demonstrated in some of the combinations. The inhibition may be due to interference with the heat-resistance apparatus of the spores.
引用
收藏
页码:579 / 582
页数:4
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