Non-destructive ultrasonic test of orange dehydration

F. Camarena Gandia, T. Hemsel, V. Espinosa, J. Twiefel, M. Ardid, J. Martinez-Mora, J.B. Gandia, in: Proceedings of 19th International Congress on Acoustics, Madrid, 2007.

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Abstract
Penetration tests (Magness-Taylor, force/deformation, Kramer multiblade shear) applied directly over the peel of the fruit are the most acceptable methods for measuring firmness and turgidity of fruits and vegetables [1, 2]. To replace these destructive and mechanical penetration methods by non-destructive ultrasonic measurements implies a great advance in order to obtain fast studies about the state of the fruit at the time of harvest, during storage, and in the distribution points. Moreover, there are other advantages since this technique can be fast, non-destructive, fully automated, and performed on-line [1]. Within this context, the objective of this study was to examine the relationship between physico-mechanical characteristics (oil-gland break stress, thickness and dehydration) and ultrasonic characteristics in the ``Salustiana'' orange peel during the complete dehydration process of the orange at ambient conditions. After a description of the measurement system [3], the fruit selection procedure and the measurement protocol, we analyze the results of the change of physico-mechanical and ultrasonic properties in the orange peel and their change with storage time.
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Proceedings of 19th international congress on Acoustics, Madrid
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Camarena Gandia F, Hemsel T, Espinosa V, et al. Non-destructive ultrasonic test of orange dehydration. In: Proceedings of 19th International Congress on Acoustics, Madrid. ; 2007.
Camarena Gandia, F., Hemsel, T., Espinosa, V., Twiefel, J., Ardid, M., Martinez-Mora, J., & Gandia, J. B. (2007). Non-destructive ultrasonic test of orange dehydration. In Proceedings of 19th international congress on Acoustics, Madrid.
@inproceedings{Camarena Gandia_Hemsel_Espinosa_Twiefel_Ardid_Martinez-Mora_Gandia_2007, title={Non-destructive ultrasonic test of orange dehydration}, booktitle={Proceedings of 19th international congress on Acoustics, Madrid}, author={Camarena Gandia, Francisco and Hemsel, Tobias and Espinosa, Victor and Twiefel, Jens and Ardid, Miquel and Martinez-Mora, Joan and Gandia, Joan Babtiste}, year={2007} }
Camarena Gandia, Francisco, Tobias Hemsel, Victor Espinosa, Jens Twiefel, Miquel Ardid, Joan Martinez-Mora, and Joan Babtiste Gandia. “Non-Destructive Ultrasonic Test of Orange Dehydration.” In Proceedings of 19th International Congress on Acoustics, Madrid, 2007.
F. Camarena Gandia et al., “Non-destructive ultrasonic test of orange dehydration,” in Proceedings of 19th international congress on Acoustics, Madrid, 2007.
Camarena Gandia, Francisco, et al. “Non-Destructive Ultrasonic Test of Orange Dehydration.” Proceedings of 19th International Congress on Acoustics, Madrid, 2007.

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