Food And A Balanced Diet Flashcards
What is meant by a balanced diet?
A diet that supplies all the nutrients in the correct proportions to maintain health
What are the elements found in carbohydrates?
Carbon, hydrogen and oxygen
What is a monosaccharide?
Simple, one unit sugars
Sweet
Dissolve easily in water
What are examples of monosaccharides?
Glucose
Fructose
What are disaccharides?
Two sugar
Dissolves in water
What are examples of disaccharides?
Sucrose
Lactose
Maltose
What are polysaccharides?
Complex molecules
Used for storage
Not sweet
Do not dissolve in water
What are examples of polysaccharides?
Starch
Glycogen
Cellulose
What are sources of carbohydrates?
Mainly cereals, fruits, vegetables (eg wheat, barley, maize which makes flour in noodles, pasta, bread, rice and potatoes)
What are the functions of carbohydrates?
Energy from most sources
Glycogen (animal and fungi cells) and starch (plant cells) used to store energy
Cellulose supports cell wall in plant cells
What are the main sources of lipids?
Primarily found in meats and dairy but most foods contain some fat,
What do we get from our food?
Energy Nutrients Carbohydrates Proteins Lipids Vitamins
