BEEFBURGERPRODUCTION
Was carried out in agreement with
Egyptian standard specification for burger
(ESS 1688/1991) as follows: Twenty kilo grams of freshly beef chuck 24 hours postmortem
was purchased from local butcher
shop at Giza market-Egypt and directly
transported to the laboratory in an ice box
to be minced in electrical mincer (4 mm).
Minced meat 65%, fat 20%, soybean 5%,
black pepper 0.3%, salt 1.8% and water 10%
were thoroughly mixed for five minutes and
divided into five portions. First portion was
used as control, while the other portions
were either mixed with TEO (0.02, 0.04, 0.06%),
or jojoba oil (0.1%), respectively. The
obtained pastes were formed into 50 g beef
burger using cardboard meat box, packed in
foam plates and stored at refrigerator shelf
at 5ºC. Three samples for each treatment
were examined every three days for two
weeks as follows