NATS 1560 Lecture Notes - Lecture 3: Winter Squash, Phytochemical, Mollusca
Document Summary
Insects have the most protein: main: beef, pork, chicken, except for organ meats, meat for sale come from the skeletal muscle of the animal, meat contains connective tissue, proteins that bind muscles and fibers together. Much of this protein collagen, found mostly in the tissue, skin, bones, and tendons. They have a 4 chambered stomach, the first part called the rumen. Cattle (cid:272)a(cid:374)"t digest grass, so cellulose, an enzyme in the rumen breaks it down: beef has moved away from ranches to feedlots. However, they often contain parasites, so its important to cook them well: sheep do not run off and eat less grass. Sheep is considered lamb up to a year, and then mutton: more widely eaten are the interior organs of the farm animal offal, not much in north. In canada and us, poultry means chicken and turkey. But earlier ate birds: chicken originated as a while jungle bird in southeast asia.