Egg Cookery | L1, L2 Flashcards
What kind of eggs are most commonly used?
Chicken eggs
Versatile ingredient
Eggs
Structure and composition of an egg
Shell
Membrane, Vitelline membrane
Air cell
Albumen
Yolk
Chalazae
Germinal disc
An egg is define as?
Oval reproductive body that is laid by various types of animals (bird, fowl)
It is made of tiny pores
Shell
The color of an eggshell has no relation to quality because?
Becuase shell color is determined by the breed of hen.
Semipermeable means?
It lets gas exchange occur, but keeps other substances from entering the egg.
By looking at the shell you can determine the ______ of an egg.
Freshness, it is not fresh if it has a crack
These two membranes provide efficient defense against bacterial invasion.
Outer membrane
Inner (Vitelline) Membrane
_____ membrane provide efficient defense against bacterial invasion and loss of _____.
Outer, moisture
Vitelline membrane
Clear casing that encloses the yolk
usually rests between the outer and inner membranes at the egg’s larger end.
Air cell
What’s the connection of enlarging of air cell in eggs freshness?
As the egg ages, the air cells become larger and the albumen becomes watery. In that case, the egg is not fresh anymore.
Albumen also known as?
the egg white
is a clear liquid that forms around a fertilized or an unfertilized egg yolk.
Albumen
It contains high protein (except the yolk)
Albumen (egg whites)
Contains two ropes that hold the yolk firmly in the middle of an egg.
Chalazae
a small circular, white spot on the surface of the yolk.
Germinal disc
It is where the sperm enters the egg. The embryo develops from this disc.
Germinal disc
Give at least 3 nutritional value of an egg
• it repairs and rebuilds body tissues
• contains serotonin to enhance the mood
• unsaturated fats that is good for the heart
NUTRI. VALUE
Eggs are rich in ______, _______ and _____ that boosts our immune system.
Proteins, vitamins, and minerals
Why is it important for us to consider the characteristics of a good quality fresh egg?
To maintain its nutritional values and to avoid food poison.
Lighweight egg means?
The egg is not fresh
In general, eggs are graded according to their _____, _____, and _______.
Color, weight, and quality
Good quality eggs should be ______, _____, _______, and _______.
Clean, fresh, free from cracks and foreign odors.
A fresh egg has the ff:
• clean and unbroken shell
• the air sac is 1/8 or less than in depth when broken
• the white is clear and firm
• the yolk is well rounded
We can also determine an egg’s freshness by its…
Buoyancy
Water test:
• sinking egg = fresh
• slunt position egg = slightly fresh
• floating egg = stale
Market forms of egg
• Fresh
• Frozen
• Dried
• Preserved
Commonly sold in stores and markets
Fresh egg
Filtered, chilled and dried through a spray-drying process.
Dried Egg
Primarily used for baking, can also be use as garnish or sprinkler.
Dried egg
Recipe: meringue, pudding
Dried egg
Steps in making dried egg:
1) break the egg then mix
2) pour into dehydrator trays in a thin, even layer
3) cook at 140 deg. F for around 8-10 hours
4) remove eggs to cool when they’re crisp
It is high quality whole egg, white or yolk only that is pasteurized or treated to kill harmful microorganisms.
Frozen egg
He discovered pasteurization
Louis Pasteur