In this study total bacterial counts(TBC) were found to be
significantly higher than the yeast and mould counts(YMC).The
initial mean populations of the TBC and YMC of different cultivars
of mango juice samples were in the range from 4.770.5104 to
7.270.4105 and 2.170.4102 to 2.770.5103 CFU/mL, respectively.The highest TBC were observed in Alphonso and lowest in Neelam cultivars.How ever the highest YMC were observed in
Banginapalli and lowestin Mulgoa cultivars.The initial TBC and
YMC of all cultivars of mango juice samples were significantly
(Pr0.05) reduced by γ-irradiation at 0.5 kGy or above and no TBC
and YMC were observed at an irradiation dose of 3 kGy(Table 7).
Thus radiation processing was effective as to extend the shelf-life
of mango juices by inhibition of the growth of the bacteria and
yeast in a dose dependent manner.