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 post-
mortem for lightness (L⁄
), redness (a⁄
) and yellowness (b⁄
) using
a Konica Minolta colorimeter CR-400 (Japan).