lipids 1 Flashcards
(26 cards)
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)
