main aspects of nutrition Flashcards
what are the guidelines for healthy eating
maintain healthy weight
choose foods low in fat - 30% fat - 10% sat, 10% MUFA 10% PUFA
reduce dietary cholesterol
shift towards more carbs + minimises sugars - fibre
eat a variety - lot of veg, fruit, grains
limit salt intake
define nutrition
processes by which an organism assimilates nourishment including energy for maintenance, growth, health
includes the effect of diet on metabolism
what are nutrients
what are macronutrients
c
what can excess sugars lead to
obesity
dental caries
what are micronutrients
vitamins + minerals
what is the recommended caloric (energy) content of the diet
60% carbon
30% fat
12% protein
alcohol in moderation
how to calculate E balance
Intake - expenditure
what does expenditure refer to
- basal metabolic rate - BMR
- physical activity
- food-induced thermogenesis (5-10%) as food is being digested/absorbed/stored
what are the 2 essential functions for dietary fats
how do you calculate the nitrogen balance
balance = n intake - n excreted
what are the main aspects of nutrition
overnutrition
undernutrition