Artículo
Abstract:
A portable electronic nose was developed and applied to fish freshness determinations of Argentinean hake. The applied methodology differs from the typical ones based on the headspace method or glass syringe manipulation. In the present study, a weighted piece of fish is introduced into a sensor's chamber and the signals of the sensors due to the fish emissions are recorded as function of time. Commercial gas sensors, based on tin dioxide, were used. Analysis of the individual sensor signals and of the array's pattern was performed. An increase of the signals was observed with increasing storage days and the mass of the hake pieces (up to 50g). The obtained response patterns are independent of the weight but change after some days of storing, indicating the rottenness of the sample. Two different patterns are obtained, associated to rotten and non-rotten samples, respectively. These patterns are independent of storage conditions; for example, the pattern of a rotten sample is the same independently if the piece was stored several days in a refrigerator or if was kept out for 1 day. Hence, it is quick and easy to identify between fresh and old samples. These results were confirmed by performing principal component analysis (PCA). © 2001 Elsevier Science B.V. All rights reserved.
Registro:
| Documento: | Artículo |
| Título: | A practical approach for fish freshness determinations using a portable electronic nose |
| Autor: | O'Connell, M.; Valdora, G.; Peltzer, G.; Martín Negri, R. |
| Filiación: | Departmento de Quimica Inorganica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales and Instituto de Química Física de Materiales and Ambiente y Energía (INQUIMAE) adn Universidad de Buenos Aires and Ciudad Universitaria, Pabellón 2, C1428EHA Buenos Aires, Argentina |
| Palabras clave: | Electronic nose; Fish freshness; Food control; Principal component analysis; Electronic equipment; Fisheries; Food preservation; Principal component analysis; Syringes; Portable electronic noses; Chemical sensors |
| Año: | 2001 |
| Volumen: | 80 |
| Número: | 2 |
| Página de inicio: | 149 |
| Página de fin: | 154 |
| DOI: | http://dx.doi.org/10.1016/S0925-4005(01)00904-2 |
| Título revista: | Sensors and Actuators, B: Chemical |
| Título revista abreviado: | Sens Actuators, B Chem |
| ISSN: | 09254005 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09254005_v80_n2_p149_OConnell |
Referencias:
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Citas:
---------- APA ----------
O'Connell, M., Valdora, G., Peltzer, G. & Martín Negri, R. (2001) . A practical approach for fish freshness determinations using a portable electronic nose. Sensors and Actuators, B: Chemical, 80(2), 149-154.http://dx.doi.org/10.1016/S0925-4005(01)00904-2
---------- CHICAGO ----------
O'Connell, M., Valdora, G., Peltzer, G., Martín Negri, R. "A practical approach for fish freshness determinations using a portable electronic nose" . Sensors and Actuators, B: Chemical 80, no. 2 (2001) : 149-154.http://dx.doi.org/10.1016/S0925-4005(01)00904-2
---------- MLA ----------
O'Connell, M., Valdora, G., Peltzer, G., Martín Negri, R. "A practical approach for fish freshness determinations using a portable electronic nose" . Sensors and Actuators, B: Chemical, vol. 80, no. 2, 2001, pp. 149-154.http://dx.doi.org/10.1016/S0925-4005(01)00904-2
---------- VANCOUVER ----------
O'Connell, M., Valdora, G., Peltzer, G., Martín Negri, R. A practical approach for fish freshness determinations using a portable electronic nose. Sens Actuators, B Chem. 2001;80(2):149-154.http://dx.doi.org/10.1016/S0925-4005(01)00904-2
