The effect of acid treatments on the rate of brown-ing of the pericarp was assessed on litchi fruit stored
at 10
◦
C. Three different soaking times were tested for
each treatment [(pH 0.8): 5, 10 and 15 s; (pH 1.0): 15, 30
and 120 s; (pH 1.3): 120, 240 and 600 s]. Mean values
of pH and titratable acidity (TA) are shown inFig. 3.
The small variations of error bars indicate that treat-ment time played a lesser role than the type of acid