3.4. Effect of cutting styles on the activity of PAL in fresh-cut pitaya
fruit
The PAL activity of whole pitaya fruit showed very slight
changes during storage, while for the fresh-cut tissues, the changes
of PAL activity were much more intensive (p < 0.05, Fig. 4C). At day
2, whole, slice, half-slice and quarter-slice showed a 23%, 48%,
70%, 86% increase compared to day 0, respectively. Fresh-cut
processing apparently induced the activity of PAL, which was
increased with increasing wounding intensity