Zusammenfassung der Ressource
Acids and Alkalis
- Acidity or alkalinity of food is measured on the pH scale, which runs from 1 to 14.
- Acidity or alkalinity affects: the taste of final product the rate at which microorganisms grow within and
upon food
- Neutral foods
- pH value of 7
- neither acid nor alkali
- Pure water
- Acids
- Acidic fruits mixed with milk or cream will casue the mixture to curdle
- Used in no-bake cheesecake
- Adding vinegar to meringue mixture will give it a soft texture
- Lemon juice helps prevent fruits like apples from discolouring
- Alkalis
- Bicarbonate of soda acts as a raising agent during baking