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Eggs are a complete protein source containing all nine essential amino acids, and are rich in choline, selenium, and antioxidants (lutein and zeaxanthin), particularly in the yolk. One large egg provides approximately 70 calories with 6 grams of protein and 5 grams of fat.
About
An egg is the reproductive body produced by female poultry, most commonly the domesticated chicken (Gallus gallus domesticus), consisting of a protein-rich white (albumen), a lipid-rich yolk, and a hard calcium carbonate shell. Eggs have been domesticated for approximately 8,000 years and represent one of the oldest and most versatile culinary ingredients across global cuisines. The composition varies slightly by poultry species and diet, but chicken eggs remain the standard in most Western kitchens. The yolk contains emulsifying proteins (primarily lecithin) and fat-soluble vitamins, while the white is predominantly water and albumin protein, making eggs structurally and nutritionally complex ingredients with distinct chemical properties that enable them to function as binders, leavening agents, emulsifiers, and thickeners.
Culinary Uses
Eggs are fundamental to both sweet and savory cooking, functioning simultaneously as a primary ingredient and a functional additive. They are prepared as standalone dishes (fried, scrambled, poached, boiled), incorporated into baked goods (cakes, cookies, pastries) where they provide structure and rise, used as binders in meatballs and croquettes, and employed as emulsifying agents in mayonnaise, hollandaise, and custards. Eggs appear in cuisines worldwide: in French cuisine as components of omelets and soufflés, in Asian cooking in stir-fries and as toppings, and in baking across all culinary traditions. The protein content and emulsifying properties make eggs indispensable for achieving proper texture in everything from noodle doughs to meringues.