114k views
0 votes
The most heat resistant, non-spore-forming pathogen found in milk is

a) E. coli
b) Listeria
c) Salmonella
d) Coxiella

User Cylindric
by
8.4k points

1 Answer

2 votes

Final answer:

Coxiella is the most heat-resistant, non-spore-forming pathogen found in milk, surpassing E. coli, Listeria, and Salmonella in terms of resistance to pasteurization.

Step-by-step explanation:

The most heat-resistant, non-spore-forming pathogen found in milk is Coxiella. Amongst the pathogens listed, Coxiella Burnetii is known for causing Q fever and is highly resistant to heat and pasteurization compared to other non-spore-forming pathogens like E. coli, Salmonella, and Listeria. Considering the other options, E. coli, specifically the enterohemorrhagic strains like E. coli O157:H7, can cause severe outbreaks but is less resistant to pasteurization. Listeria monocytogenes, which is a psychrophile and halotolerant, can multiply at refrigeration temperatures, making it a concern in refrigerated food products, but it is also susceptible to pasteurization. On the other hand, Salmonella is a widespread pathogen found in many food products but does not have the same level of heat resistance as Coxiella.

User Allah
by
7.5k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.