2.2. pH and colour
The pH of meat samples was measured with a digital pH metre
(Thermo-Scientific Trion Series, Italy) at 45 min postmortem, and
again after equilibration of the meat to room temperature.
The colour of the breast muscles was assessed at 45 min postmortem
for lightness (L⁄), redness (a⁄) and yellowness (b⁄) using
a Konica Minolta colorimeter CR-400 (Japan).