Because potential contamination with listeria bacteria, FDA prompts voluntary recalls

Potential Listeria monocytogenes, fda announced a recall of cookie dough

WIS.com reported the Ashby’s Ice Cream recalls is for 3-gallon containers with Item No. 7305 and Lot No. 16195. The Smart Ones recall is for 4-packs of Chocolate Chip Cookie Dough Sundae with “best when used by” dates ranging from Dec. 28, 2016 to July 28, 2017.
No illnesses have been linked to the products, according to US foods.com.

The voluntary recalls are precautionary measures, and there have been no consumer complaints or reported illnesses due to the issue, the FDA reports.

How dangerous listeria bacteria to humans, the following is a brief explanation of the characteristics of the bacteria listeria monocytogenes.

Characteristics of Listeria monocytogenes


Listeria monocytogenes is a gram-positive bacteria that are pathogenic (causing disease) in animals and humans, do not form spores, and live on a facultative anaerobic conditions (can live with or without oxygen). Psikrotropik These bacteria are able to survive for months in moist environments, and can compete with other organisms, especially at refrigerator temperature.

Moreover, these bacteria are more heat resistant than vegetative bacterial pathogens. Listeria monocytogenes can grow optimally in environmental conditions between the temperature of -2 to 50 ° C, pH (acidity) from 4.1 to 9.6, a salt concentration of less than 10%, the oxygen content of 5-10%, and aw (water activity) 0.90 to 0.93.


potential contamination listeria
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Listeria monocytogenes is commonly found where?


Listeria monocytogenes is widespread and can be found in water, fodder, slaughterhouse waste, cow's milk from normal or mastitis, and feces of humans or animals. In food, these bacteria can contaminate raw vegetables, fruit, salad, milk, soft cheese, meat and meat products, poultry, sauerkraut (fermented cabbage), and seafood. In addition, fast food can also cause food poisoning due to this bacteria.

Cases of food poisoning caused by the bacterium Listeria monocytogenes has long occurred in various countries. Symptoms of the disease that arises is called Listeriosis.

The danger exists in humans.

In humans, Listeria monocytogenes can cause abortion in pregnant women and meningitis (inflammation of the lining of the brain) in newborns and immuno-compromised adults. These bacteria are able to attack the placenta and fetus that causes a unique syndrome, ie infantisepticum granulomatosis. The existence of the syndrome can be fatal in 35% -55% of cases of newborns.

According to Modern Food Microbiology 7th Edition (2006),

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