Food Article - Avoid Common Food Safety Mistakes

by Nancy B. Peterson

Current public health studies show that the number of potentially harmful bacteria in our food supply is five times the level that it was in 1942. That doesn't necessarily mean that our food is unsafe, said Karen Penner, K-State Research and Extension food safety specialist.
To better understand the issue, it's important to look at factors that are affecting our food supply, Penner said. For example, one significant difference is the fact that technology now allows us to detect more microorganisms. Also, in 1942, most of our food was grown within 100 miles or less of our homes; that meant that people had an opportunity to develop a natural immunity to microorganisms that may have been present in the environment.

Since that time, improvements in transportation (such as interstate highways and jet transports), agricultural methods and food processing technology now allow us to enjoy a greater number of foods produced during global - rather than local - growing seasons. The benefits of eating a variety of foods outweigh potential risks, but it can mean that potentially harmful bacteria may be on the plate, too, Penner said.

Symptoms from foodborne illness can become apparent soon after food is eaten (20 minutes) or up to six weeks later. Anyone can be susceptible, though children whose immune systems are not fully developed; pregnant women; people over the age of 65; and others whose immune systems may be compromised by chronic illness (like asthma or diabetes) or medical treatment, such as chemotherapy, can be more vulnerable, she said.

"Food safety is an issue that we all share. Researchers (including many at Kansas State University), agricultural producers, food processors, and food service providers are working hard to reduce food safety risks. Consumers also have a responsibility for food safety - a significant number of food safety mistakes occur in the home," said Penner, who cited a recent Utah State University study that videotaped food safety steps in 100 homes.

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