Abstract Browning reaction variability in apple slices was
characterized using a new procedure denominating the differential
pixel method. Using this method, a kinetic rate and an
empirical order of reaction were derived for each pixel in an
image corresponding to a sliced apple surface undergoing
browning; each pixel in the image can be seen as a small
portion of the fruit. In the experiments, 40 samples of fresh-cut
apple slice were put on a computer vision system and images
recorded over time at a room temperature of 5 °C. Data was
fitted to the Weibullian model kinetic