A Balanced Diet Flashcards
(43 cards)
what are the 3 main reasons we need food
1 to supply us with food for energy
2 to provide materials for growth and repair of tissues
3 to help fight disease and keep our bodies healthy
what is your diet
what you eat
what are the 5 food groups
1 carbohydrates
2 lipids
3 proteins
4 minerals
5 vitamins
these 2 are not food groups but we still need them
1 water
2 dietary fibre
do we need all 5 food groups to stay healthy
yes
what percent of human body mass do carbs make up
1%
why are carbs important
they are the main fuel for the body
what do carbs supply
glucose for respiration in the body
what do glucose and other sugars belong to
one group of carbs
where is glucose found naturally
in many foods (fruits and vegetables)
do other foods have other sugars
yes
what is the fruit sugar
fructose
what is the milk sugar
lactose
what is ordinary table salt
sucrose
what is the main sugar transported through plant stems
sucrose. which is why it is extracted from sugar cane
what are sugars 2 physical properties
1 all are sweet
2 all are soluble in water
where can we get all the sugar we need
we can get it naturally from fruits and veggies and from the digestion of starch
do many processed foods have a lot of added sugar
yes
where do we get most of our carbs
from starch not sugars
is starch soluble
No. starch is a large insoluble molecule
where is starch found
it is found in many plants as a storage carb
what is the staple diet around the world
starchy foods (rice, potato, bread, pasta)
what is starch
a polymer of glucose. it is made of long chains of hundreds of glucose molecules joined together
where is the only place starch is found
in plant tissues
