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.
1 Egg Equals How Much Protein? The amount of protein in an egg varies by the size of the egg. One small egg contains 4.8 grams of protein. There are 5.5 grams in a medium egg; 6.3 grams in a large; and a jumbo egg contains 7.9 grams. Because eggs are relatively inexpensive, they are an affordable source of protein in the diet.