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Date: May 1989 (Revised April 1995)
Source: NDSU Extension Service Nutrition Specialists
Food poisoning ranks second only to the common cold as the most frequent cause of illness in this country, according to the Center for Disease Control. Food poisoning results frequently from carelessness in handling, preparation and storage of food.
Poor food-handling practices in the home often cause illness in the family, even though foods were safe to eat when you bought or first prepared them. Poor sanitation, insufficient cooking and improper cooling and storage can allow bacteria in food to increase to dangerous levels. Outbreaks of illness from food contaminated by harmful bacteria are especially common during the hot summer months when perishable foods are carried on picnics and cookouts without proper refrigeration.
You can protect your family from foodborne illness by following these steps:
The possibilities for error are especially great when large quantities of food are handled or when time schedules are hectic. Large quantities of food do not heat or cool as quickly as smaller batches.
For example, a large kettle of chili, or spaghetti sauce, will cool very slowly. Bacteria grow quickly when food is between 40 degrees F and 140 degrees F. In the process of heating or cooling, a food is in the hazardous temperature range allowing bacterial growth.
Quick cooling is essential to prevent this hazard. You can do this easily by dividing the large quantities into smaller amounts. Then, set the pans in ice cold water. Stir occasionally to hurry cooling, or refrigerate the food in shallow pans (less than two inches deep). Leave pans uncovered until cooled and do not stack them. This reduces the time the food is in the dangerous temperature zone.
Life begins at 40 degrees F for most bacteria. Safe food handling saves money and protects health.
If you have further questions, contact your county office of the NDSU Extension Service.
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