what part of egg has salmonella ?
Question
what part of egg has salmonella
Elizabeth M. Weist
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what part of egg has salmonella
Answer ( 1 )
Salmonella is not tied to one single part of the egg, it can be in several places.
The shell surface may carry Salmonella because the hen passes the egg through the same opening used for waste, so a little fecal matter can stick to the outside.
If the hen’s ovary or oviduct is infected the bacteria can enter the egg before the shell is even formed. When that happens the organism ends up mainly in the yolk, since the yolk is rich in nutrients and iron that the bacteria like.
With time the bacteria can move from the yolk into the albumen (the white) as well, especially if the egg is kept warm. So a raw egg that looks perfectly fine may still contain Salmonella throughout.
Cooking until both the yolk and the white are firm, or reaching 160 °F / 71 °C inside, kills the pathogen and makes the egg safe. Washing the shell helps but does not fix an internal infection.