Detection of foreign bodies in canned foods using ultrasonic testing
Foreign bodies in packaged foods may pose both a safety risk and a risk of perceived degradation of quality. When food products are manufactured or packaged, small foreign objects might end up in the product. It is naturally desirable for the food industry that all foreign bodies are detected and...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Faculty of Food Science and Technology, Universiti Putra Malaysia
2012
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/22637/1/%2825%29_Meftah.pdf http://irep.iium.edu.my/22637/ |
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| Summary: | Foreign bodies in packaged foods may pose both a safety risk and a risk of perceived degradation of
quality. When food products are manufactured or packaged, small foreign objects might end up in the product.
It is naturally desirable for the food industry that all foreign bodies are detected and removed before they
reach customers. In this study, the ultrasonic method was used to detect the foreign bodies in canned foods.
In order to establish a technical concept for the detection of foreign bodies in canned foods, an experimental
investigation was carried out using pulse-echo ultrasonic testing. A number of simulated foreign object pieces
were deliberately put inside the canned food and the results were analyzed. The approach demonstrates that
ultrasound has potential for application in many industrial food packaging environments where foreign objects
need to be detected. Indeed, detection up to 4 millimeter foreign body size has been done for rock and metal
foreign bodies. |
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