The whites of one large egg contains 4.45 fewer g of fat than one egg yolk. Egg whites are a healthy food choice because they are low in calories and nutrient-rich. Understanding calorie content per ounce of egg white enables informed dietary decisions.
Calorie Content
Egg whites contain 13 calories per ounce while yolks contain 89 calories per ounce. One ounce is equal to 28 g.The whites of one large egg provide 54 calories.
Nutrients
An oz of egg white contains 3 g of protein, 1.6 mg of calcium, 3.3 g of magnesium and 44.3 mg of potassium. Egg whites lack the vitamins A, D, E and K found in egg yolks.
Egg Size
A large egg contains 33 g, or 1.18 oz, of egg whites and 28 g, or 1 oz, of egg yolk. Medium eggs weigh 1.75 oz while small eggs weigh 1.5 oz.
References
- Incredible Egg: Nutrient Chart
- "Nutrition for Health, Fitness and Sport"; Melvin H. Williams; 2007
- Georgia Egg Commission: All About Eggs from A to Z
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