In the study of tomato fruit, MRI was first used by
Ishida et al. (1989) and they found that MRI is able to distinguish
the physiological variations among different types of tissues and
the physiological changes during ripening of tomato fruit. Saltveit
(1991) demonstrated that the difference in tomato fruit at different
mature green stages can be visualized in MR images. The change
in macroscopic structure and water proton relaxation times during
ripening of tomato fruit have been investigated by Musse et al.
(2009a).