Liha töötlemine
g
Lactic acid bacteria.
61
62 Chapter 3
Eggenberger-Solorzano et al. 2002; Bosilevac perature (30–70°C) did not influence the
et al. 2006). Furthermore, acetic (1.5–3%) effectiveness of 2% acetic acid for 15 seconds
and lactic (2%) acid spraying have also (Cutter et al. 1997), while an increase in tem-
reportedly decreased populations of spoilage perature from 55 to 65°C had a significant
bacteria of lamb or beef, such as psychrotro- influence on the effectiveness of 2% or 4%
phic Gram-negative flora (e.g., pseudomo- lactic acid for 15 or 30 seconds (Castillo et
nads), lactic acid bacteria, yeasts, and al. 2001b). With respect to the concentration
Brochothrix thermosphacta (Anderson et al. alone, the effectiveness of lactic, acetic, and
1988; Dorsa et al. 1997a, 1998a, b, c; citric acid spraying rinses (24 or 32°C)
Koutsoumanis et al. 2004)