The present results showed that the
mango fruits treated with the UV-C or combined treatment had a
slower color change than that of either the control or the hot water
treatment (data not shown). TA was evaluated as an additional
indicator of the degree of fruit ripeness with each treatment. Jacobi
et al. (2000) indicated that acidity decreases as mangoes ripen, as
citric acid and malic acid are used as respiratory substrates. The UVC
treatment and the combined treatment could delay the decrease
of the TA concentration compared with the control