Fig. 4. Changes in CIE L⁄a⁄b⁄ values using image analysis of banana peels treated
with different packaging methods during storage for 9 days at 20 C. j, normal
packaging; d, CO2 gas exchange packaging; N, normal packaging with an ethylene
generator. Means ± SD (n = 3) with different letters are significantly different at 5%
level. The colour values ranged from 0 to 255.