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.
One large egg contains 3.6 grams of protein in the egg white and an additional 2.7 grams of protein in the yolk â thatâs 60 percent protein in the egg white and 40 percent in the yolk! Something to think about the next time youâre about to discard that yolk. [Read: High-Protein Breakfast Ideas .]. Myth: It's healthier to toss the egg yolks. Besides having a relatively good amount of protein, the yolk also contains heart-healthy unsaturated fat, including omega-3 fats.