Characterizing apple firmness by acoustic measurement | La sonométrie peut-elle caractériser la fermeté des pommes?
2010
Vandewalle, P. | Mehinagic, E. | Jourjon, F., Ecole supérieure d'agriculture d'Angers, Angers Cedex (France) | Sourice, A.
Apple texture, particularly firmness, figures among the main attributes of fruit quality in commercial transactions. The reference method for controlling apple firmness is penetrometry (destructive and punctual measure). The development of new technologies and new methods for signal analysis should permit to progress in domain of nondestructive measurement of fruit quality. The acoustic measurements seem very promising for this purpose. The work presented in this article shows that frequencies from the fruit response to the acoustic solicitation are repeatable. Moreover the method could be sensitive enough to discriminate the blushed from unblushed fruit face.
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