lipids in the diet and their metabolism Flashcards
what are lipids
lipid-substances that do not dissolve in water
what is an unsaturated fatty acids
unsaturated fatty acids bend at the double bond site changing the shape of the fatty acid
they change to liquid at room temperature
location of double bonds
omega-6 and omega-3 fatty acids are polyunsaturated fatty acids
what does the body require and can make most of them but 2
essential fatty acids
name the 2 fatty acids which the human body cannot produce
omega-6
omega-3
where can omega-6 be sourced from
corn oil
soybean oil
nuts
where can the omega-3 be sourced from
walnuts
fish oil
what is the ratio from omega-6 and omega-3
5:1
10:1
what are triglycerides referred to as? what do they consist of?
fat
glycerol and 3 fatty acids
name 2 good sources of fat
avocados and coconut oil
how are trans fatty acids produced
during the process of hydrogenation
where is cholesterol found
found only in animals and is sterol
what are sterols
look very different from other lipids because they are made of interconnected rings of carbon atoms
where is cholesterol manufactured
in the liver (not essential in the diet)
