carbohydrates Flashcards
list the 3 types of carbs [3]
starch
sugars
fibre
what type of carb is starch? [2]
complex carbs - polysaccharides
what type of carb is fibre? [2]
non-starch polysaccharides
what are 2 types of sugars? [2]
monosaccharides
disaccharites
what are monosaccharide sugars? give an example [2]
single sugars
glucose - fruit & veg
what are disaccharite sugars? give an example [2]
double sugars
lactose - milk
what are 2 functions of sugars? [3]
sweetens food
fast digesting as for quick energy
what are non-free sugars? [2]
naturally found in cells of fruit & veges
what are free sugars? [2]
any sugar added to foods e.g honey, juices, syrups.
what is the function of starch? why? [3]
energy for physical activity & body functions
is starch fast or slow to digest? why? [1]
slow to digest - slow releasing energy
what type of source is starch based on? [1]
plant sourced
what are 2 plant sources of starch? [2]
grains
some fruit & veges
what is excess starch stored as? [1]
fat
give another function of starch [1]
fell fuller
list 3 functions of fibre and why for 1 of them[5]
- absorbs water - push food through digestive system & softens faeces.
- prevents constipation, diverticulitis, bowel cancer.
- lowers cholesterol & type 2 diabetes
what are 2 types of fibre? what do they do? [7]
-soluble - slows digestion 7 absorb nutrients
reduce cholesterol & heart disease
- insoluble - adds bulk
give 2 sources of soluble fibre [2]
grains
beans
give 2 sources of insoluble fibre [2]
wholegrains
fruit & veg
