From each batch, meatballs with a weight of 18 ± 3 g were
formed. One-third of the raw meatballs were vacuum-packed
and frozen until the sensory assessment in order to use them as
the freshly cooked control meatballs. Two-thirds of the meatballs
from the batches were cooked in an oven (convection oven) at an
oven temperature of 190 C, until the end point temperature inside
the meat ball was 75–80 C (first cooking). The temperature was
determined by a handheld thermometer (Testo 926, Testotherm,
Buhl and Bundsoe, Virum, Denmark). After cooling, the meatballs
were placed in a tray and covered with oxygen permeable plastic
film and cold-stored at 4 C for up to 4 days. Two- and four-day
c