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| Titel: |
Postharvest impact bruising of apple as related to the modulus of elasticity |
| Auteur: |
Y. Yuwana F. Duprat |
| Verschenen in: |
International agrophysics |
| Paginering: | Jaargang 10 (1996) nr. 2 pagina's 131-138 |
| Jaar: |
1996 |
| Inhoud: |
The moduli of elasticity of fruit (E p and E 7) calculated from the maximum force reading (Fp) and from the average flesh force reading at 7 mm depth (F7) were used to predict bruise volume of apple during storage. The relationship between the measured bruised volume (MBV) and the predicted bruise volume based on E p (PBVp) was linear with coefficient of proportionality (Kp) of 4.61 and coefficient of correlation (R) of 0.928 while the relationship between the measured bruise volume (MBV) and the predicted bruise volume based on E 7 (PBVj) was linear with K7 of 231 and R of 0.903. Kp linearly correlated to the average of E p with R value of 0.974 and Ky linearly correlated to the average of E 7 with R value of 0.986. The values of E as well as K drastically decreased during two months storage time and were then relatively constant for longer storage time. Utilising E p Hertz's theory was underestimated 23.37 % while employing E-j it was overestimated 36.66 % in predicting postharvest bruising of Golden Delicious apple. |
| Uitgever: |
Institute of Agrophysics |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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