大部分蛋白质存在于蛋清中，而维生素、矿物质、脂肪、类胡萝卜素和胆固醇则存在于蛋黄中。
Most of the protein is contained in the egg white, while vitamins, minerals, fats, carotenoids and cholesterol are contained in the yolk.
大部分蛋白质存在于蛋清中，而维生素、矿物质、脂肪、类胡萝卜素和胆固醇则存在于蛋黄中。
Most of the protein is contained in the egg white, while vitamins, minerals, fats, carotenoids (orange/red/yellow pigments) and cholesterol are contained in the yolk.
这就是为什么蛋清煮后发生颜色和质地的变化：当蛋清中的白蛋白失去其结构，其物理外貌也随之转变。
This, for instance, is why egg whites change colour and texture when cooked: as the albumen in the whites loses its structure, its physical appearance is transformed.
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