Write 3 examples of natural foods.
Write 3 examples of processed foods.
Always wash your hands before eating or prepaqring food.
Copy the box from page 34
PRESERVING FOODS
Some foods don't need to be preserved beacause don't get bad (spoil)
- Cereal.
- Pulses.
- Dry fruits.
Other fresh foods need preserving:
- Fish
- Meat.
- Vegetables (lettuce...)
There are 3 methods of preserving foods.
- Heating: heating and packing hermetically: micro organisms are eliminated when we heat the food, then we store the food in a sealed container without micro organisms.
- Cooling: Micro organisms can't live in low temperatures, we can store foods in the fridge or in the freezer.
- Adding preservtives: there are natural preservatives such salt or vinager, other preservatives used are chemical. Using preservativesthe food last longer time before spoiling.
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