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Food SafetyPackaging

Food Packaging

Clemson researchers working on packaging that detects food spoilage

Intelligent packaging uses sensors to detect when food begins to go bad

By Crystal Lindell
food spoilage
Clemson researchers are working to create packaging that uses sensors to detect biological processes.
April 20, 2018

The next innovation in food and beverage packaging could tell you when that cheese in the back of the fridge is getting too old to eat. 

Clemson University researchers are working to develop packages that would use communication between cells to detect spoiling food.

This “intelligent” packaging would use sensors to detect biological processes—specifically, the signals cells send to each other when they start to break down. 

Kay Cooksey and Claudia Ionita of the Clemson food, nutrition and packaging sciences department are designing sensors that would identify autoinducers present in packaged foods.

“The idea behind the quorum sensing is that it makes use of a biological process that microorganisms normally do,” explains Cooksey, the Cryovac endowed chair in the department. 

Cooksey and Ionita will identify autoinducers present in packaged foods and design a biosensor array that can monitor the development of microbes that can cause food spoilage.

Current packaging methods to detect food spoilage use labels or materials that change color when they detect volatiles such as ammonia or sulfur from the breakdown of proteins in meat. But according to Cooksey, labels or materials that change colors are limited in use, are not a direct indicator of spoilage and usually signal when it is too late to be useful.

“By the time the color change occurs, the human nose can just as easily detect the aroma of the volatiles,” Cooksey says. “Results from the proposed research will serve as a foundation for biosensors and ultimately intelligent packaging to effectively monitor changes in food and, in turn, improve food quality and safety.”
 

For more information, visit clemson.edu.

KEYWORDS: food quality

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Crystal Lindell has more than 10 years of journalism experience, and worked primarily at daily newspapers before joining BNP Media 2010. Before joining Food Engineering as the Managing Editor, she was the managing editor of a sister publication, Candy Industry Magazine, where she learned first-hand the joys of eating chocolate for breakfast. Lindell holds a master’s degree in public affairs reporting from the University of Illinois – Springfield and a bachelor’s degree in political science from Western Illinois University.

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