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18th November 2016
12:53pm GMT
It turns out supermarket bags of lettuce leaves are actually breeding grounds for salmonella, the type of bacteria that causes food poisoning.
According to new research broken salad leaves leak fluid into the bags which can increase the growth of salmonella by 110%.
"Salad leaves are cut during harvesting and we found that even microlitres of the juices (less than 1/200th of a teaspoon) which leach from the cut ends of the leaves enabled salmonella to grow in water, even when it was refrigerated.'' "These juices also helped the salmonella to attach itself to the salad leaves so strongly that vigorous washing could not remove the bacteria, and even enabled the pathogen to attach to the salad bag container.'' Lead scientist Dr Primrose Freestone, from the University of Leicester's Department of Infection, Immunity and Inflammation told the Telegraph.Salmonella is mostly found in poultry and symptoms of this type of food poisoning include diarrhoea, fever, and abdominal cramps. Most people recover without treatment within four days,although it may be several months before your bowel habits are entirely normal.
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