cooking and chemical changes

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  • Created by: ameliaxx
  • Created on: 29-04-14 21:20

COOKING AND CHEMICAL CHANGES

cooking involves chemical changes:

-new substance formed

-irreversible

-an energy change occurs

proteins:

denature (change appearance and texture) as a result of the heat absorbed--> permanant

potatos

cell walls brek done --> softer texture

starch grains in the cells swell and spread out

FOOD ADDITIVES

antioxidants --> stop food from reacting with oxygen

colourings --> improve the colour

flavour enhancers --> improve the flavour

emulsifiers

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