2.1.3. Samples
Sliced mushrooms (Agaricus bisporus) were purchased in a local
market the same day that the experiment was carried out. Only
mushrooms put up for sale the same day of being harvested were
purchased. Mushrooms were supplied in 250 g polystyrene trays
wrapped with extensible, transparent PVC film. Only the slices with
the minimum number of visual injures and high factor of white colour (L* > 80) were selected for this study, limiting the selection
to only 10e15 slices per tray.
Filter paper spiked with the selected antioxidants were initially
used as active labels to confirm the antioxidant properties.