Food Flashcards
What is our food made of
Carbohydrates Fats Protein Vitamins Minerals Water
Why do I need food
To give us energy To protect us from disease To keep us warm For growth For repair of body cells
What the is Food needed for
Energy, growth, repair, protection against disease .
5 major nutrients
Carbohydrates, fats, protein, vitamins, minerals.
Carbohydrates
Sugars, starch, fibre
Vitamin C
Found in citrus fruits , healthy skin and gums
Vitamin D
Milk , for strong healthy bones
Calcium
Milk , for healthy bones
Iron
Found in liver and cabbage , makes red blood cells
Balanced diet
Right amounts of nutrients to stay healthy . Must have the 5 major nutrients and water
Food pyramid
Shows how much to eat of each food
To Test for starch
Use iodine on bread , turns from brown to blue/black
To test for glucose ( reducing sugar )
Add Benedict’s solution to lucoszade, heat it. Turns from blue to brick red
To test for protein ( Biuret test )
Add copper sulfate and sodium hydroxide ( Biuret reagent ) to meat turns from blue to violet .
To test for fat
Put brown paper onto oil . A translucent dot appears