Lipids Flashcards
Lipids are categories of compounds containing what?
hydrogen, carbon, and oxygen.
Are lipids hydrophilic or hydrophobic?
hydrophobic
What are the 4 main functions of lipids in food?.
contribute to satiety, provide flavor and aromas, flaky texture in baked goods, and make meats tender.
What are the 5 main functions of lipids in the body?
transport proteins in blood, cushion organs, bones, and nerves, insulation, cell membrane structure, and energy storage.
another name for fat.
Triglyceride
name the 3 lipids.
triglycerides, phospholipids, and sterols.
Basic unit of a phospholipid and triglyceride.
Fatty acid
Name the structure of a fatty acid.
Acid group + a chain of hydrogen and carbon atoms.
How many different fatty acids are there?
over 20 different fatty acids.
There are a lot of fatty acids. it depends by the
length of the chain, total number of double bonds, and if carbon has a single or double bond between them.
Name the 3 types of fatty acids.
monounsaturated, polyunsaturated, and saturated.
Describe a saturated fatty acid.
straight, all carbons connected to hydrogen.
Describe a monounsaturated fatty acid.
not straight, one double bond
Describe a polyunsaturated fatty acid.
not straight, more than one double bond.
Example of a saturated fatty acid.
stearin acid