The organic material in coal is composed mainly of carbon, oxygen, hydrogen, nitrogen, and sulfur. The heat of metamorphism destroys the organic molecules of coal, volatilizing the oxygen, hydrogen, nitrogen, and sulfur. What remains is a nearly pure carbon material that crystallizes into mineral graphite.
Egg White Nutrition Basics. According to the Egg Nutrition Center (ENC), the average egg contains about 6.29 grams of protein, 3.6 of which come from the egg white. In addition to proteins, other nutrients found in the egg white are riboflavin, niacin, folate, vitamin B12, calcium, iron, copper, zinc and sodium.
An egg white contains all protein -- 3.5 grams per egg; the rest of the nutrients, protein and fat are hiding in the yolk, which means the yellow is the most nutritious part. Egg yolks contain 240mg of leucine, the amino acid single-handedly responsible for flipping your genetic muscle-building switch.