Heat Resistance in Liquids of Enterococcus spp., Listeria spp., Escherichia coli, Yersinia enterocolitica, Salmonella spp. and Campylobacterspp

Table 4 D values for Listeria monocytogenes according to the review by [107].

Heating menstruum(-a)/(s) Treatment method(s)	D** value (s)
	55°C	60°C	65°C	72°C
(a) Various/Various	799*	150*	28*	2.7*
(b1) Milk/ST	868	132	20	1.4†
(b2) Milk/SF	515‡	109	23	2.6

** The D value is the time of heat treatment required at a certain temperature to destroy 90% of the bacterial cells.
ST, sealed tubes; SF, slug flow heat exchanger.
*, †, ‡ Value calculated using the equation given by the authors for (a), (b1) and (b2) respectively.

ISSN: 1751-0147