2.7. Data analysis
Analysis of variance was performed using the software package
Statgraphics Plus (Centurion) to detect significant differences
(p < 0.05) between measurements on different days. The one-factor
ANOVA test was applied to the NMR results for specific tissues
and to the water content measurements (time after harvesting).
The multiple range Fisher Least Significant Difference (LSD) test
was used to detect significant differences between groups. A twofactor
ANOVA test was performed on the results of MRI relaxation
measurements (time after harvesting and tomato sample) and the
F-ratiowas calculated as an indicator of whether, based on the variability
within each sample, the means were different. Differences
in the MRI measurements were identified using the LSD test that
was also used for the NMR relaxometry measurements.