Mussels were packed in a standard blue 0.8 mm thick polypropylene
1 kg MA-package in two layers per tray, weighing ca.
2 lbs (900 ± 5 g) and a count of ca. 20 mussels per lb, then 35 ml of
packaging buffer was added to the package, and the packages were
filled with O2/N2 (65:35) and sealed with a barrier film under a
vacuum (532 mm Hg) using a Koch KATS 400 packaging unit