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definition of the glycaemic index
is a rating of the effects that food has on blood glucose. it is a ranking between 1-100 the higher the ranking the faster blood glucose levels will increase after eating food
foods that have a high GI
white bread
corn flakes
fruit juice
rice cakes
potatoes
foods that have a moderate GI
orange juice
honey
wholemeal bread
bananas
what are the three major macronutrients
fats
protien
carbohydrates
define macronutrients
macronutrients are resposible for the bodys important functions (digestion) and functioning of the vital organs (brain and heart) they enable the body to perform physical activity as many macronutrients are associated with the energy supply to the body.
foods high in macronutrients
avocados
eggs
dairy
nuts
oats
fruits
shell fish
potatoes
foods high in protien
protien bars
chicken
lamb
eggs
milk
fish
oats
what is a calorie deficit
a shortage in the number of calories consumed relative to what is needed
what is a calorie surplus
when the amount of calories consumed are higher than the number of calories we burn
what is a calorie maintence
the amount of calories that wont cause weight gain or loss, maintain the current state of the body
how much protien does each age require
infant - 2 grams of protien per kilo of body weight
teenagers - 1.5 - 2 grams per kilo of body weight
adults - 0.8 grams per kilo of body weight
3 main groups of carbohydrates
polysaccharides, disaccharides, monosaccharides