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Elastic stresses and plastic deformations in 'Santa Clara' tomato fruits caused by package dependent compression PAB
PEREIRA,ADRIANA VARGAS; CALBO,ADONAI GIMENEZ.
The objective of this work was to study the fruit compression behavior aiming to develop new tomato packages. Deformations caused by compression forces were observed inside packages and in individual 'Santa Clara' tomato fruit. The forces applied by a transparent acrylic lever to the fruit surface caused pericarp deformation and the flattened area was proportional to the force magnitude. The deformation was associated to the reduction in the gas volume (Vg), caused by expulsion of the air from the loculus cavity and reduction in the intercellular air volume of the pericarp. As ripening advanced, smaller fractions of the Vg reduced by the compressive force were restored after the stress was relieved. The lack of complete Vg restoration was an indication of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lycopersicon esculentum; Mechanical damage; Porosity; Storage losses.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2000001200014
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