Nutrition

definition of a macronutrient

required to be consumed in large amounts

definition of micronutrient

required to be consumed in small amounts

What is the Glycaemic Index

ranks CHO on a scale of 0 and 100, showing how quickly CHO is digested and absorbed into blood

types of macronutrients

carbohydrates, protein, fats

definition of carbohydrates

Primary provider of energy, source of dietary fibre

food sources of carbohydrates

Low GI - cereal, bread, pasta
High GI - Fruits, juice, lollies

Definition of protein

growth, maintenance and repair of body cells, 3rd source of energy in extreme circumstances

food sources for protein

lean meat, chicken, fish, eggs

define fats

provide fuel for energy, provides cushioning for vital organs, absorbs and transports the fat-soluble vitamins

what does good fats do

assist with removal of bad fats, transport fat soluble nutrients

What does bad fats do

cause build up of LDL which is stored in the circulatory system or as excess fat around internal organs

Types of bad fats

saturated - meat, full cream

Trans - baked products, fried foods

Types of good fats

polyunsaturated - salmon, walnuts
monounsaturated - olive oil, avocado

Types of micronutrients

vitamins, minerals

define Vitamin D (vitamins)

regulates absorption of of calcium and phosphate from consumed foods

Food sources of Vitamin D (vitamins)

fatty fish, fish liver oils,egg yolks, cheese, beef liver

Define Calcium and phosphate (minerals)

required for building bones and other hard tissue

Food sources of calcium and phosphate

dairy products, salmon, soy products