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8A1 Food. Are these meals good for you?. Dish of the Day Fried bacon Fried sausage Fried egg Fried bread Fried mushrooms Ice cream. Today’s Specials Fresh pasta with boiled rice and curry sauce Bread and butter pudding. Chef’s Choice Celery Lettuce Red pepper Onion
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8A1 Food Are these meals good for you? Dish of the Day Fried bacon Fried sausage Fried egg Fried bread Fried mushrooms Ice cream Today’s Specials Fresh pasta with boiled rice and curry sauce Bread and butter pudding Chef’s Choice Celery Lettuce Red pepper Onion Apples and oranges
These are the essential nutrients Carbohydrates (starch & sugars) Proteins Fats Vitamins Minerals Fibre Water
Protein What do we use it for? Making new cells, growth What foods contain it? Meat, fish, nuts, cheese, eggs, beans, peas, lentils
Fat What do we use it for? Source of energy Making cells and hormones Insulation What foods contain it? Butter, nuts, sunflower oil, red meat, salmon, cream, ice cream
Carbohydrates What do we use them for? Source of energy for activities What foods contain them? Potatoes, pasta, rice, bread, sugar, cereal
Substance tested Test Result Starch Iodine Turns blue-black Sugars Benedicts solution Turns red Proteins Biuret test Turns purple Fats Emulsion test Turns cloudy white Food tests • We can test foods to see what substances they contain. • Why do you think this would be useful? These are some of the most common food tests:
Food Venn diagrams • Make a copy of this Venn diagram. • Now put these foods into your diagram: • salmon • cornflakes • cod • nuts • milk • chicken • rice • bread • strawberries • chips • sausages Fat Protein Carbohydrate