Subsequently, the whole LTL was vacuum packed and stored at 4 °C in the
dark during a 4-day ageing period. After ageing in vacuum packaging
conditions 3 slices (2 cm thick) were prepared from each LTL using a
knife.
The slices were placed in polystyrene trays, covered with airpermeable
PVC film and stored in the dark at 4 °C. Lipid and colour