Food Science and Technology Research
Online ISSN : 1881-3984
Print ISSN : 1344-6606
ISSN-L : 1344-6606
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Evaluation of the Relationship Between Shock and Bruise Area of Apple Fruit
Hiroaki KitazawaNaoko HasegawaYoshiki Tsukakoshi
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2016 Volume 22 Issue 4 Pages 485-489

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Abstract

We evaluated the effect of both the change in velocity (Vc) and the peak acceleration (PAcc) on the bruise area (BA) of apple fruit by shock tests. The results demonstrated that the BA of apple fruit caused by shock changes depends on a combination of Vc and PAcc. We also drew damage boundary curves (DBCs) corresponding to the BAs that were determined from the combination of Vc and PAcc. Moreover, by using a multiple regression analysis, we inferred that an increase in the BA of apple fruit due to shock is caused by an increase in the PAcc, rather than the Vc; the relative contributions of the independent variables in the regression for Vc and PAcc were 0.48 and 0.71, respectively. This finding will contribute to the consideration of measures to counteract the occurrence of bruising of apple fruit during transport.

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© 2016 by Japanese Society for Food Science and Technology
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