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.
4 EGG WHITES. When it comes to animal proteins, egg whites are the leanest. One egg white contains about 17 calories, zero fat and 3.6 grams of protein. The white, also called the albumen, contains about half of the eggâs total protein and a majority of the eggâs potassium, magnesium and riboflavin.