The effect of γ-irradiation on the Hunter colour(L* a* b*) values
of all cultivars of mango juice samples is shown in (Table6). The L*
value of the control(0 kGy)mango juice samples ranged from
40.56 to 56.69;the lowest L* was found in Mulgoa and highest was
in Neelam cultivars,respectively.The a* value of the control mango
juice samples ranged from 2.28 to 13.41;the lowest a* was found
in Raspuri and highest was in Alphonso cultivars,respectively.The
b* value of the control mango juice samples ranged from 20.33 to
35.01;the lowest b* was found in Raspuri and highest was in
Neelam cultivars,respectively.Chroma(C*) and hue angle(h°)
values were also evaluated and these parameters were associated
with a* and b* values.The chroma(C*) value of the control mango
juice samples ranged from 20.46 to 35.31;the lowest C* was found
in Raspuri and highest was in Neelam cultivars,respectively.The
hue angle(h°) of the control mango juice samples ranged from
65.46 to 83.61;the lowest h° was found in Alphonso and highest
was in Raspuri cultivars,respectively