Eggs are a rich source of all nutrients except ascorbic acid. Egg proteins have the highest nutritive quality as compared to any dietary protein, and therefore, it is used as a standard for evaluating the quality of other proteins. However, the hen egg white contains some riboflavin also. Inclusion of egg in diets of vulnerable groups like children and pregnant women may improve their diet and the essential nutrient supply.
Nutritive value per 100 g of Eggs hen
Energy (kcal) : 173
Protein (g) : 13.3
Fat (g) : 13.3
Minerals (g) : 1.0
Calcium (mg) : 60
Phosphorus (mg) : 220
Iron (mg) : 2.1
Vitamins
Carotene (µg) : 420
Thiamine (mg) : 0.10
Riboflavin (mg) : 0.40
Niacin (mg) : 0.10
Folic Acid – Total (µg) : 78.3
Vitamin B12 (µg) : 1.8

Nutritive value per 100 g of Eggs duck
Energy (kcal) : 181
Protein (g) : 13.5
Fat (g) : 13.7
Carbohydrates (g) : 0.8
Minerals (g) : 1.0
Calcium (mg) : 70
Phosphorus (mg) : 260
Iron (mg) : 2.5
Vitamins
Carotene (µg) : 405
Thiamine (mg) : 0.12
Riboflavin (mg) : 0.26
Niacin (mg) : 0.20
Folic Acid – Total (µg) : 80