Zusammenfassung der Ressource
C1 Cooking and food
additives
- Proteins and
carbohydrates
- Protein molecules in eggs and meat
permanently change shape when eggs
and meat are cooked
- This changing of shape is called
'denaturing'
- Baking powder
- Baking powder is sodium hydrogencarbonate
- When it is heated it breaks down to give carbon dioxide
- Sodium hydrogrencarbonate = sodium carbonate + carbon dioxide + water
- 2NaHCO3 = Na2CO3 + CO2 + H2O
- Emulsifiers
- Emulsifiers are molecules that have a water-loving part
and an oil or fat-loving part
- The oil or fat loving part goes into the fat droplet