Cooking Food And Heat Transfer Flashcards
What is conduction
When heat travels through solid materials heat is conducted from molecule to molecule in a liquid or solid
What is radiation
When he tries directly warm and cook food he travels from one place to another
What is convection
When heat travels through air or water the movement of heat in water or the air is called convection currents
What is one of the healthiest ways to cook food
Steaming
Why do we cook food
Variety to the diet Improve texture Develop flavours Improve shelf life Make food safe to eat
Name examples of cooking with fat
Shallow frying
Name cooking with water or steam
Steaming boiling poaching simmering braising blanching stewing
What is cooking with dry heat give an example
Dry frying roasting grilling baking stir-frying and barbecue or chargrill
What is denaturation
Change of the structure of a protein
What is coagulation
When the protein in food sets
What is gluten
general name for the proteins found in flour to proteins called gliding and gluten in are important when using flour to make baked products
What is gelatinisation
process in which moist heat is applied to starch grains with swelling increasing size and then break open releasing amylose which sticking slim extra around boiling point stirring will prevent lumps forming
What is amylose
Causes sauce to thicken turning cloudy and when cooked and gets even thicker as they cool
What is amylopectin
Produces a clear gel when it seconds and has the same thickness hot or cold
What is dextrinisation
When starch is broken down into dextrin by dry heat
