作者
Marco Grossi, Massimo Lanzoni, Roberto Lazzarini, Bruno Riccò
发表日期
2012/8/1
期刊
Measurement
卷号
45
期号
7
页码范围
1747-1754
出版商
Elsevier
简介
Electrical characterization of products is gaining increasing interest in the food industry for quality monitoring and control. In particular, this is the case in the ice-cream industry, where machines dedicated to store ice-cream mixes are programmed “ad hoc” for different groups of products. To this purpose, the present work shows that essential product classification (discrimination between milk based and fruit based ice-cream mixes) can be done by means of a technique based on the measurements of non-linear response in the electrical behavior of the electrode–electrolyte interface. The addition of pH measurements allows to further reach the three parts classification occasionally required for advanced applications. The proposed idea is validated by means of measurements on 21 ice-cream mixes, different for producers and composition.
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