lipids

chemical structure of a lipid

triglycerides consist of one glycerol and three fatty acids

during formation of a triglyceride

each OH group combines with a hydrogen from each of the 3 fatty acids
a total of 3 water molecules

saturated fat
carbon atoms are linked by single bonds
there are no double bonds between carbon atoms
butyric acid

monosaturated
each carbon is not saturated with hydrogen
one double bond present
oleic acid

polyunsaturated
not saturated by hydrogen
more than one double bond
linoleic acid

cholestrol
cholestrol is a wax like substance

ldl- low density lipoproteins are harmful causing a deposit of cholesterol in th blood and arteries
hdl- high density lipoproteins help lower cholesterol by removing it from the blood

omega three
called omega three