Yolk color is dependent on the diet of the hen; if the diet contains yellow/orange plant pigments known as xanthophylls, then they are deposited in the yolk, coloring it. Lutein is the most abundant pigment in egg yolk
Lipovitellin apoproteins;
a-Lipovitellin (2% of egg total)
B-Lipovitellin (1% of egg total)
The most protein is in the yolk
ALBUMEN
Yes
vitamin A
the meat of the egg
The best part of the egg is the white, the yolk is too fatty and does not have as much protein as the egg white.
The white has less fat and calories than the yolk, but the yolk has the protein content.
Egg protein is very rich in quality and it is due to this fact that manufacturers of protein powders often base their products on egg protein. Egg protein contains all the essential amino acids that the human body requires. Talking about the egg white and yolk proteins, it can be said that one large egg contains about 6.5 grams of protein, out of which egg white protein content is about 3.6 grams. But yolk also contains fats and owing to this fact, many people tend to avoid eating egg yolk.
egg yolk
There is approximately 6 grams of protein in a large grade A egg. The yolk contains about 2.7 of the grams available. The albumen or egg white of that same egg will contain 3.6 grams. Most of an egg's nutrients are found in the yolk.
Body builders do not want the cholesteral from the egg yolk. The yolk has the cholesterol, but the yolk also has the beneficial parts of the egg, like the vitamins and minerals. The white is basically just protein and not much else.
No eggs provide protein
Examples of food emulsifiers are egg yolk (where the main emulsifying chemical is lecithin) See http://en.wikipedia.org/wiki/Emulsion
The white or albumen of the egg contains slightly less protein than the yolk. That is because of volume. Most of the actual nutrition is in the yolk and eating the two combined as whole egg is far better for you nutritionally.
Yolk is the nutrients that nourish the chick as it develops.
egg yolk!