Nutrition Flashcards
Healthy eating guidelines
Reduce intake in saturated fat,sugar and salt and increase the intake of fruit, veg, fibre water iron and calcium
Hypervitaminosis
To consume to much of vitamins A+D
Water soluble vitamins
B+C
Fat soluble vitamins
A+D+E+K
Classification of carbohydrates
Sugars, starches and dietary fibre
Composition of carbohydrates
Carbohydrates are made up of simple sugars e.g glucose
Composition of fats
Fats are made from fatty acids and glycerol.
Empty kilocalories
Food that provide energy but do not contain any other nutrients
RDA for iron
14mg
RDA for calcium
1200mg
Absorption of iron
We have to consume vitamin C with foods containing iron to help absorption
Functions of iron
Iron helps to make healthy red blood cells
Deficiency disease of iron
A disease called anaemia
Functions for calcium
Calcium is needed for strong bones and teeth
Deficiency disease for calcium
If there is not enough calcium in the diet the bones become soft this is rickets in children and osteoporosis in adults
Absorption of calcium
Vitamin D is needed for calcium
The elements of carbohydrates
Carbon hydrogen and oxygen
The elements of fats
Carbon hydrogen and oxygen
Composition
What the nutrient is made of
Source
A food that contains the nutrients
Function
What the nutrient does to the body
What elements does amino acids contain
Carbon hydrogen oxygen and nitrogen
Amino acids
Little beads on a chain containing the elements Carbon hydrogen oxygen and nitrogen which make up protein
Classification of protein
High biological value (animal sources)
Low biological value (plant sources)