Tolerance of enterobacteria isolated from raw goat milk to sanitisers applied in the food industry

The tolerance of 17 isolates of enterobacteria isolated from raw goat milk was evaluated against three sanitisers. All isolates were tolerant to sodium hypochlorite (1250 to >5000 ppm) and eight isolates were tolerant to peracetic acid (up to 1000 ppm). Two isolates were tolerant to all tested co...

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Bibliographic Details
Published in:International journal of dairy technology 2024-08, Vol.77 (3), p.1017-1021
Main Authors: Holanda, Thamiris S, Rocha, Guilherme S, Nascimento, Janaína S, Ramos, Gustavo L P A
Format: Article
Language:English
Subjects:
Ammonium
Dairy microbiology
dairy technology
Food industry
goat milk
Goat's milk
Milk
Milk production
Peracetic acid
Quality
quaternary ammonium compounds
Raw milk
Sodium
Sodium hypochlorite
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Summary:The tolerance of 17 isolates of enterobacteria isolated from raw goat milk was evaluated against three sanitisers. All isolates were tolerant to sodium hypochlorite (1250 to >5000 ppm) and eight isolates were tolerant to peracetic acid (up to 1000 ppm). Two isolates were tolerant to all tested concentrations of quaternary ammonium with biguanide (>150/100 ppm). Although not all isolates are considered pathogens, they exert an important influence on the milk production chain. Sanitisers based on quaternary ammonium and biguanide seem to be more suitable for sanitisation in goat milk chain than sodium hypochlorite. Sanitisers based on quaternary ammonium and biguanide seem to be more suitable for sanitisation in the goat milk production chain than sodium hypochlorite.
ISSN:1364-727X
1471-0307
DOI:10.1111/1471-0307.13081