digestion/nutrients Flashcards
the 7 nutrient groups
water, protein, carbohydrates, vitamins, minerals, fibre, lipids
what is needed for a balanced diet
a good proportion of all the different nutrients ( not the same amount of each one )
starch test
iodine, the substance should turn into a black-blue colour if it has starch
protein test
copper sulphate solution/ Biuriets reagent , purple colour if it has protein but starts blue
glucose test
Benedict’s solution, red/orange/yellow if it has glucose inside
some of the problems with an unbalanced diet
health problems other problems
- stress
- heart disease. - tiredness
- strokes - worse quality of work
- high cholesterol. - not much strength and energy
- high blood pressure
what do carbohydrates do
provide energy
what does water do
helps with chemical reactions in the body
what do proteins do
helps with growth and repair of cells and tissues
vitamins
help make collagen
minerals
keeping your bones, muscles, heart, and brain working properly. Minerals are also important for making enzymes and hormones.
fibre
allows the muscles in our intestines to move the material along (called peristalsis) and prevents constipation and colon cancer
lipids/fats
as an energy store, as insulation and to make cell membranes.
