Nutritional Value of an Egg: An egg is one of the most nutritious food items in our diet. It is rich in minerals, proteins, and vitamins, all of which are easily absorbed by the body.

蛋的营养价值: 鸡蛋是我们饮食中最有营养的食品之一，富含易被人体吸收的矿物质、 蛋白质和维生素。

Eggs are a good source of essential minerals such as calcium, iron, phosphorus, zinc and iodine. When it comes to calories, a medium sized egg has about 75-76 kcal. The most commonly eaten eggs are that of chicken. Eggs of other birds such as duck, quail and turkey are similar in their nutritional value to eggs of chicken, with the prominent difference being that the eggs of these birds have higher mineral content as well as higher cholesterol content as compared to chicken eggs.

 鸡蛋是人体所必需的矿物质如钙、 铁、 磷、 锌、 碘的良好来源。一枚中等大小的鸡蛋大约产生 75-76 千卡的热量。人们最常吃的是鸡蛋，其它鸟蛋如鸭蛋、鹌鹑蛋、火鸡蛋的营养价值和鸡蛋差不多，其明显差异在于它们比鸡蛋含有更高的矿物质和胆固醇。

Vitamin Content of Eggs: Eggs are rich in vitamin B, especially vitamin B12, vitamin A, vitamin D, vitamin E and vitamin K. It should be noted that very few food items that contain vitamin D, egg being one of them.

蛋中的维生素: 蛋含有丰富的维生素 B，特别是维生素 B12、 维生素 A、 维生素 D、 维生素 E 和维生素 K。需要特别指出的是，自然界中只有极少食物含有维生素 D，而鸡蛋正是其中之一。

Protein Content of Eggs: An egg is composed of about 11% proteins. Further, it contains all the amino acids necessary for body metabolism. This makes egg an essential part of the diet of those who wish to increase weight and build muscles. Most of the proteins are concentrated in the white part of the egg, known as albumin (albumen) or egg white.

蛋中的蛋白质: 蛋的组成中约 11%是蛋白质，它包含人体新陈代谢所必需的所有氨基酸，因此那些想增加体重和塑造肌肉的人士的饮食重要组成部分就是蛋。大部分的蛋白质都在蛋白中，称为白蛋白 (蛋白) 或卵白。

Egg White and Egg Yolk: There are two essential parts of an egg; the albumen or the white part and the yolk or the yellow part. The yolk is suspended in the albumin and contains about 80% of the calories and almost all fats present in the egg. It contains vitamin A, D, E and K and minerals such as iron, calcium, and phosphorus. The egg albumen mostly contains water and proteins.

蛋清和蛋黄:鸡蛋由蛋白和蛋黄两部分组成。蛋黄悬浮在蛋白中，包含大约 80%的热量和几乎所有的脂肪，含有维生素 A、 D、 E 和 K，以及铁、钙、磷等矿物质；蛋白则主要是水和蛋白质。

Health Benefits of Eggs: The nutritional value of eggs makes it good for immunity, strong vision, treatment of macular degeneration, cataract treatment, skin care, nervous system, strong bones and blood formation. Recent research has also shown that consuming eggs does not lead to increase in serum cholesterol levels.

鸡蛋对健康的益处: 鸡蛋的高营养价值对人体健康大有裨益，可以提高免疫力、 增强视觉、治疗眼睛黄斑变性和白内障、保健皮肤、营养神经系统、强壮骨骼和造血。最近的研究也表明，吃鸡蛋并不会导致血液中胆固醇水平的升高。