One group was immersedindistilled water
for 10 min as control while the other group was dipped into 20 mM
oxalic acid for 10 min. The control and treated fruit were air-dried,
then packed into plastic polyethylene bags (0.03 mm), and stored at
room temperature (23 ± 2 ◦C) and 75–90% relative humidity (RH)