lipids 1 Flashcards
lipids give __ kcal/g
9
AMDR for lipids is __-__% of your daily energy
20-35%
FA are classified by the number of these two things
carbons (chain length) double bonds (saturation)
SHORT and MED chain FA are transported via:
albumin
SHORT and MED chain FA DO NOT require _______ to enter the mitochondria, while LONG chains do
L-carnitine
LONG chain FA are transported in blood via _____
-eg: chylomicrons, VLDL, LDL, HDL
lipoproteins
example of a SATURATED FA
hydrogenated oils
saturated fats (no double bonds), found in dairy, animal prods, coconut oil, palm oil, etc INCREASE ____
LDL
___ are FA with 1 double bond and are in things like olive and other veggie oils
-are the best fat type
MUFA
___ are FA with more than 1 double bond, in veggie and fish oils
-are more flexible due to conjugated bonds
PUFA
what will a label read if there is trans fat in the product
-swap out of diet for MUFA/PUFA preferably
“partially hydrogenated” oils
cis MUFA will ____ LDL and ____ HDL
decrease
increase
trans fat will ___ LDL and ___ HDL
increase
decrease
PUFA come in these two categories
N-3
N-6
____ is an omega 6 while ___ and ___ are both omega 3 PUFAS
ARA
EPA/DHA
ARA in the COX pathway, which are inflammatory/clotters
2 series PG and TX
ARA in the LOX pathway, which is v inflammatory
4 series LT
EPA in the COX pathway, which has little to no effect
3 series PG and TX
EPA in the LOX pathway, which has little to no effect
5 series LT
lipids give the body energy during ___ (30-70%), and _____ exercise
rest
low-intensity
lipids function with ____ and cell ___ integrity targeted by PUFA/MUFA and reactive species
mouthfeel
membrane
about ___% of energy during exercise comes from fats
30%
lipolysis rate limiting step for DG degradation into MG
hormone sensitive lipase (HSL)
lipolysis rate limiting for MG breakdown into glycerol
monoglyceride lipase (MGL)
lipolysis rate limiting in the breakdown of TG to DG
adipose triglyceride lipase (ATGL)
occurs during low intensity exercise in order to use lipids for energy
lipolysis
