chapter 5 part 1 Flashcards
what are lipids used for in the body
-made of C, H, & O.
-They are very energy (calorie) dense.
-They are triglycerides, phospholipids, and sterols.
-provide energy, store energy, insulate body, transport proteins, cell membrane structure, absorb fat-soluble nutrients
what are the major food sources of fat?
-animal sources = dairy (cheese), eggs, meat, poultry, fish
-processed plant sources = cookie, candy, chips, oil, shortening, cake, crackers, whole grains
-unprocessed plant foods = olives, avocados, nuts and seeds
what are things that don’t have fat?
fruits, vegetables, juices
what is the recommended total fat intake from the USDA?
20-35% of calories
what is the recommended total fat intake for treating disease?
10% of calories
triglycerides are made of what
3 fatty acids, one head
triglycerides
most common lipid in foods.
are triglycerides essential?
yes
what are phospholipids made of?
two fatty acids and one head
phospholipids
make up cell membranes, carry lipoproteins
are phospholipids essential?
no
what are sterols made of?
they are complex
are sterols essential?
no
sterols
they are used to make bile, vitamin D, and certain hormones
what are phospholipids composed of?
phosphate head, two fatty acid tales
