Topic 2 - Nutrition

• What does a balanced diet require?

  Nutrients, Fibre and water
• Carbs: rice, pasta, potatoes, bread
• Lipids: butter, beef, cheese, seeds, nuts, fish, oil, fats
• Is protein a nutrient?

  Yes
• Are vitamins nutrients?

  yes
• How many essential minerals are there?

  16
• Proteins: eggs, beans, fish, meat and milk
• Is fibre a nutrient?

  No
• Fibre: fruit, vegetables, whole grains
• Fibre prevents constipation
• Water is 70% or human body mass
• What are the 2 types of carbs?

  Simple ( sugars ) and complex ( starch )
• How are carbs used in the body?

  They are used for energy
• How many carbs do you need a day (roughly)?

  260g
• Lipids are used are an energy store and for insulation.
• You shouldn't have more than 70g of lipids per day as an adult or teen.
• What are some food test methods?

  Benedicts solution ( glucose ), iodine ( starch ).
• The digestive system breaks down food into tiny particles which are absorbed into the blood.
• Amylase breaks down starch into smaller sugars/carbs.
• There is mechanical and chemical digestion