Ch. 5 Flashcards
(44 cards)
what are lipids
organic nutrients that are insoluble in water
what is not a major class of lipids
glycogens
what is the primary form of fat in the diet
triglycerides
a triglyceride is comprised of ___
3 fatty acids and 1 glycerol
medium chain fatty acids are ___ carbon atoms in length
6-12
a fatty acid that contains a chain of ten carbons and one double bond is termed a fatty acid
monounsaturated, medium chain
what fatty acid is generally solid at room temperature
saturated
what food is rich in monounsaturated fatty acids
olive oil and cashew nuts
food that contains a large quantity of saturated fatty aids
palm kernel and coconut oils
what is a rich source of polyunsaturated fatty acids
corn oil
saturated fats are ___
found in whole milk and beef
the process of adding hydrogen to an unsaturated fatty acid and creating a more solid fat is called
hydrogenation
trans fatty acids do what
they are created during the hydrogenation process
what ingredient would alert you to the likely presence of trans fatty acids in a product
partially hydrogenated vegetable oil
what is a rich source of omega-6 fatty acids
margarine made from corn or safflower oil
what is not true about essential fatty acids
they are found in meat and dairy products
why are phospholipids not an essential nutrient
our bodies manufacture phospholipids
what is not true about sterols
sterols contain a glycerol backbone and one fatty acid
the key structural componet of a cell’s membrane are ___
phospholipids
what food item would contain the highest amount of saturated fat
butter
sex hormones and adrenal hormones are substances derived from what class of lipids
sterols
which of the following is not a function of fat in the human body
fat makes us feel hungry
what organ does not aid in the digestion of lipids
large intestine
the vast majority of fat digestion and absorption occurs in the
small intestin