test 2 Flashcards
(143 cards)
types of beef
steers, bulls, heifers, cows, calves
Where does most beef sold for retail use come from?
steers and heifers
used for breeding; meat used for pet food
bulls
female cattle that have not had a calf
heifers
female; has had a calf
cow
comes from an animal between 3 weeks to 3 months of age; fed exclusively milk or formula
veal
less than 14 months old
lamb
greater than 14 months old
mutton
between 5 1/2-7 months old
pork
what type of muscle makes up the meat
connective tissue
connective tissue is high in what
collagen
What type of heat do we apply to meat that is high in connective tissue?
moist heat because it converts to gel when exposed to moist heat
covers fat; helps retain moisture
adipose fatty tissue
marbling; dispersed throughout
intramuscular fat
fat content varies depending on
age, genetics, diet, cut, exercise
What are some concerns raised by WHO regarding the use of antibiotics in meat
Believed to contribute to antibiotic-resistant bacteria
WHO recommends to phase out use of antibiotic growth promoters in animal feed
what is the purpose of hormones
Given to encourage rapid weight gain (thus reducing cost)
Color #1 Influencing Factor on consumer decisions
pigment
pigment is influenced by two primary compounds…
myoglobin and hemoglobin
controls oxygen uptake
myoglobin
delivers oxygen
hemoglobin
How does oxygen exposure affect the color of meat?
Changes meat from purplish red to bright red; Meats left in storage may be exposed to less oxygen, which can turn meat brownish-red
how does heat affect the color of meat
denaturing of pigments turn meats grayish brown
flavor compounds consisting of non-protein, nitrogen containing substances that result from protein metabolism
extractives