2market forms of eggs tle10
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Nutritional values and Components of Egg
Eggs are an important source of protein, essential vitamins and minerals and can make a significant contribution to a healthy diet.
Nutritional requirements can vary considerably between men, women, and children and can also vary in individuals from time to time.
Energy Value of Eggs
A medium egg has an energy value of 78 kilocalories (324 kilojoules) and the consumption of one egg daily would contribute only around 3% of the average energy requirement of an adult man; 4% for an adult woman.
Protein- Eggs are an excellent source of protein.- Egg protein is of high biological value as it contains all the essential amino acids needed by the human body.- Eggs therefore complement other food proteins of lower biological value by providing the amino acid that are in short supply of those foods.
Energy Value of Eggs
Energy Value of Eggs
Vitamins- Eggs contain most of the recognized
vitamins with the exception of vitamin C.- The egg is a good source of all the V
vitamins, plus the fat-soluble vitamin A.- It also provides useful amounts of
Vitamin D, well as some Vitamin E.
Energy Value of Eggs Minerals
- Eggs contain most of minerals that the human body requires for health.
- The egg provides significant amounts of zinc, important for the would healing, growth, & fighting infections; selenium, an important antioxidant; and calcium needed for bone &growth structure & nervous functions.
- Eggs also contain significant amounts of iron, the vital ingredient of red blood cells, but the availability of this iron to the body is uncertain..
Energy Value of Eggs
Carbohydrates and dietary fiber- Eggs contain only traces of
carbohydrate and no dietary fiber.
Energy Value of Eggs
Fat-An egg has 11.2% fat on its content.
The fat of an egg is found almost entirely in the yolk; there is less than 0.05% in the albumen.
- An egg is fatty acids are polyunsaturated, 44% monounsaturated, and only 32% saturated..
Energy Value of Eggs
Cholesterol- Cholesterol and lecithin are fat-like
substances and are essential to the structure and function of all cells in the body.
- helps to maintain the flexibility and permeability of cell membranes and is also a raw materials for the fatty lubricants that help to keep the skin supple.
- is essential for the production of sex hormones, cortisol, vitamin D and bile salts.
Market Forms of Eggs Fresh
Dozen Flat (2.5 dozen) Case or half case
Frozen (pasteurized) Whole Yolk (Sugar added 5%)
Pasteurized Dry (Powdered) Whole Yolk White
EGG COMPOSITION
Shell is porous – allows flavor in & moisture out.
Yolk color varies with chicken’s diet. White is thicker around the yolk & thinner as it
move away from the center. Chalazae connects yolk to shell; the more
prominent, the fresher the egg. Air cell increases as eggs age and loses
moisture; this makes boiled eggs easier to peel.
EGG COMPOSITION Inner shell membrane is a barrier to
micro-organisms.
Eggs out of the shell are highly perishable: Leftover whites – good for 10 days (covered &
refrigerated) Leftover yolks – good for 3 days (cover with
thin layer of water, milk or oil; refrigerate)
EGG COMPOSITION Use eggs with cracked shells only for
dishes which bring the egg to 145°F.
The white is mostly water with albumin.
The yolk is approximately 1/3 protein & 2/3 water with fat, vitamins, minerals & cholesterol.
TYPES OF EGGS Chicken Eggs
- are most popular and the most widely consumed eggs of the world.TYPES OF CHICKEN EGGS
a. Standard eggs - the most common chicken eggs and are the regular eggs that sold in the market.b. Organic Eggs- pure, natural, and health chicken eggs which are sold in supermarkets.c. Free-range Eggs- are healthier than the standard eggs but less healthy as compared to organic eggs.
TYPES OF EGGS
Bantam’s Eggs- These eggs are small and tasty and usually have a white shell. Bantams are a smaller variety of hen.
• Duck Eggs- much larger than a hen’s eggs and have a stronger flavor.
* Goose Eggs- are the largest of all the eggs you are likely to find on sale.
TYPES OF EGGS
Hen’s Eggs- are graded according to size—small, medium, large and extra-large or very large.
• Barn Eggs- Come from hens that are still very intensively farmed but are not confined to cages.
* Quail Eggs- are tiny, with pretty speckled shells and a delicate flavor.
EGG GRADING The quality of an egg is determined by the grade
of the egg and is not related to size.
All Eggs are classified according to the U.S. Standards for interior and exterior quality factors.
USDA grading is a voluntary service offered to processing plants that meet minimum USDA equipment, facility, sanitary, and processing requirements.
EGG COOKING PRINCIPLES Coagulation
Whole, beaten 145°F
Whites 140°F - 149°F
Yolks 144° - 158°F
Whole with liquid 160°F
Sweetened 175°F - 185°F
Eggs many usesLeavening-- souffléClarifying-- consomméEmulsify-- hollandaiseBinding-- meatloafThickening-- liaison Adhesive-- breadingGarnish-- saladsMain Course-- omelets
Main Course EGG COOKING METHODS Frying –
Sunny Over easy, medium,
hard Coddled Scrambled Steamed Omelet
Pancake, roll, fold
Baked – Shirred, en cocotte Soufflé Quiche, FrittataPoached – Soft, medium, hard
Boiled – Soft = 3 minutes Med. = 5-6 minutes Hard = 8-10 minutes
Goose egg yolk raviolo with cinnamon cap mushrooms, sliced bacon, broccoli florettes and monterey jack cheese
even avant garde...
smoked egg in truffle bouillon with chives, bacon bits, shaved truffle and smoked salt under glass to capture aroma