Egg Flashcards
What is syneresis in relation to cooking eggs?
The squeezing out of liquid from coagulated proteins.
What are Wundereggs and what are their ingredients?
Plant-based eggs made from various plant ingredients.
How are eggs utilized as a raising agent in baking?
They trap air during mixing, helping baked goods rise.
What role does the chalaze play in an egg?
It supports the yolk and keeps it away from the shell.
How do eggs contribute to the nutritional needs of lacto-vegetarians?
They provide protein and essential nutrients without meat.
Why should eggs be stored in the refrigerator?
To prevent spoilage and minimize bacteria growth.
How long can commercially stored eggs be kept?
Up to 6 months.
What are the major components of a hen egg?
Shell, egg white, and egg yolk.
What happens to proteins in the yolk when heated?
They coagulate and become firm.
What preservation methods can be applied to eggs?
Pickling and freezing egg whites/yolks separately.
Why are eggs considered a high biological value source of protein?
They contain all essential amino acids.
What happens to the yolk of a salted duck egg during the processing?
The yolk becomes an orange-red solid.
How does egg function as a binding agent in food preparation?
It coagulates when heated, holding ingredients together.
What role do eggs play in glazing pastries?
They create a shiny glaze when brushed on before baking.
What are the potential risks associated with overcooking eggs?
Proteins can become tough and difficult to digest.
What are the three major parts of a hens egg?
Shell, white, and yolk.
Does the color of a hens egg shell indicate its quality?
No, it depends on the breed of hen.
How does the shell of an egg facilitate respiration for a developing chick?
The porous shell allows oxygen to enter and carbon dioxide to escape.
Why cant whole eggs be frozen?
They expand when frozen, causing the shell to crack.
How does washing eggs before storage affect them?
It removes the protective cuticle, increasing spoilage risk.
How long does it typically take for salted duck eggs to reach chemical equilibrium?
About a month.
What nutrients are found in a raw hen egg?
Energy, protein, carbohydrates, total fat, cholesterol.
What is the color and texture of a century or thousand-year-old egg yolk?
It becomes a greenish, cream-like substance.
What is the significance of coagulation in egg whites when heat is applied?
It transforms liquid egg whites into firm structures.
What are some examples of dishes that utilize eggs for thickening?
Custards, sauces, and soups.
What substances in egg whites contribute to its composition?
Mainly ovalbumin and mucin.
How are Chinese salted duck eggs made?
They are immersed in brine or coated with salt and mud/clay.
What type of texture does the white of a century egg become?
It becomes a transparent jelly.
What emulsifying agent is found in egg yolk?
Lecithin.
At what temperature does ovalbumin in egg white start to coagulate?
Approximately 62-65°C.
