Nutrients Flashcards
Macronutrients Micronutrients Definitions Vitamins + minerals
Nutrition definition
The study of food - its composition and the amounts needed for the body + its effects on the body
Nutrient definition
Any substance that can be digested and used by the body
Element definition
The simplest form of a substance
Balanced diet definition
important
A diet containing all of the nutrients in the correct amount for the needs of the body to ensure good health and wellbeing
RDA definition
Recommended daily allowance
GDA definition
Guideline daily amount
Composition definition
Elements that make up the nutrient and how they are arranged e.g. protein and fat
HBV protein
3 sources
Protein sourced from animal products
- meat
- fish
- milk
- dairy
LBV protein
3 sources
Protein sourced from plants
- peas
- beans
- nuts
- cereals
Advantages of LBV protein
Name 3
- no saturated fat
- cheaper to produce
- better for environment
Functions of protein
- growth and repair of body
- production of important hormones, enzymes and antibodies
Fat (lipids)
classification
Saturated (comes from animal sources)
Unsaturated (comes from plant sources)
Functions of fats
Name 3
- production of heat and energy
- insulation for the skin
- protects delicate organs e.g. kidneys
Pros + cons of Fat
CONS:
Excess fat in the diet leads to obesity
Excess unsaturated fats cause cholesterol buildup in blood vessels
-> heart disease and strokes
PROS: (unsaturated)
Unsaturated fat can reduce cholesterol levels
Omega fatty acids
Benefits + sources
- Reduce risk of heart disease
- improve brain function
- help skin, nails and hair
Sourced from oily fish, seeds + nuts
