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Unlike the yolk, which is high in lipids (fats), egg white contains almost no fat, and carbohydrate content is less than 1%. Egg whites contain about 56% of the protein in the egg. Egg white has many uses in food (e.g. meringue, mousse) as well as many other uses (e.g. in the preparation of vaccines such as those for influenza [2]).
The food type most likely to have these claims was plant-based meat analogues, with almost 70% of these products making this claim. About 60% of products with protein claims had protein added to them.
Sugar is hydrophilic, extracting water out of the egg whites. This will lighten the protein network, allowing the foam to be stronger and more elastic. The sugar dissolves in the protein network but does not become part of the protein network. The sugar must be added slowly to the egg whites, while continuously mixing.
The egg whites have 25 calories and 5 grams of protein per serving. A box of six cartons costs $11.60 at my Costco. The Krusteaz buttermilk-pancake mix is a family favorite.
The U.S. Food and Drug Administration (FDA) now classifies eggs as a “healthy, nutrient-dense" food, according to a new proposed rule. Registered dietitians react to the change.
In a 1997 study, diabetic and healthy subjects were given a single meal of egg white (56 g protein), cooked with or without 100 g of fructose; there was a greater than 200-fold increase in AGE immunoreactivity from the meal with fructose. [37]
The albumen (egg white) contains protein, but little or no fat, and may be used in cooking separately from the yolk. The proteins in egg white allow it to form foams and aerated dishes. Egg whites may be aerated or whipped to a light, fluffy consistency, and often are used in desserts such as meringues and mousse.
Take a closer look at the pros and cons of eating whole eggs (yolk and all!) to find out what's behind egg's bad reputation and whether you're missing out on some key nutrients.