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http://dx.doi.org/10.5012/bkcs.2010.31.11.3084

An Array-Based Sensor for Seafood Freshness Assessment  

Gonzalez-Martin, Anuncia (Lynntech, Inc., College Station)
Lewis, Brian (Lynntech, Inc., College Station)
Raducanu, Marius (Lynntech, Inc., College Station)
Kim, Jin-Seong (Lynntech, Inc., College Station)
Publication Information
Bulletin of the Korean Chemical Society / v.31, no.11, 2010 , pp. 3084-3092 More about this Journal
Abstract
This paper describes the development of an automated, hand-held sensor for the fast assessment of seafood freshness. The sensor developed here combined: an array-based chemical sensor, composed of incrementally different conducting polymer elements deposited on a small chip; a highly sensitive, custom-made electronics for the detection of very small signal changes; precise temperature control of the sensor chamber; and an on-board microcontroller for data collection, storage, automation, and analysis. The instrument was used to successfully test seafood samples with different degree of freshness and spoilage. A linear relationship between microbiological count and e-Nose signal for three different fish fillet was developed. Once the linear relationship is included into the hand-held unit software, the e-Nose signal can be used for assessment of seafood freshness without performing the microbiological count technique.
Keywords
Electronic nose; Food safety; Seafood assessment; Array-based sensors;
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