Abstract
This work demonstrates a method to optimize materials and dimensions of piezoelectric cantilevers for electronic nose applications via finite element analysis simulations. Here we studied the optimum piezoelectric cantilever configuration for detection of cadaverine, a biomarker for meat ageing, to develop a potential electronic nose for the meat industry. The optimized cantilevers were fabricated, characterized, interfaced using custom-made electronics, and tested by approaching meat pieces. The results show successful measurements of cadaverine levels for meat pieces with different ages, hence, have a great potential for applications within the meat industry shelf-life prediction.
Highlights
The meat and fish industries are the most massive resource-needing production within the food sector
Expiration date determination of meat and fish products by producers are done in an indirect way, which, due to safety margin implementation, lead to a significant waste of these products through the value chain
An electronic nose presented which can determine the concentration of a meat ageing biomarker whereby offering producers a more direct way to determine expiration date, adding less safety margin and reducing waste
Summary
The meat and fish industries are the most massive resource-needing production within the food sector. It is the food-related-branch that results in the highest level of CO2 emissions, due to among others, deforestation for cattle production and overfishing [1]. The only way to control the actual freshness of meat products are microbiological tests conducted at external laboratories requiring shipping of samples, growing and counting bacteria. These tests are carried out seldomly because they are expensive, time-consuming and do not predict the exact expiration date
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