The packaging of all treated-GRS samples employed the transparent A.PET/EVOH/PE barrier bags (bag size: 290 200 mm; bag volume: 1.8 L; laminate density: 1.39 g/cm3; thickness: 500 lm) labelled by manufacturer with oxygen (O2) and water vapour permeabilities of 1.8 cm3 m2 day1 atm1 and 4 g m2 day1, respectively (Arcoplastica srl, Andenzeno, Italy).