carbs Flashcards
(25 cards)
carbs RDA is ____ g/d and the AMDR range is __-__% cal
130 g/d
45-65%
carbs give you __ kcal/g
4
carbs that taste sweet are simple and due to either ___ or ___ sugars
natural
added
natural sugars include the glucose and fructose in things like __ and ___, while added sugars are found in __ and ___ and should account for less than 10% of your dietary intake
fruit/honey
soda/candy
all non-digestible (complex) carbs and lignin found in plants
dietary fiber
___ dietary fiber increases motility while ____ dietary fiber (fermenters) increases satiety by delaying gastric emptying
insoluble
soluble
dietary fiber AI for females is ___ g/d and for males it is __ g/d
- requirements decrease if >50yo
- avg american consumes 12-18
25
38
things like B-glucans, gums, wheat dextrin are ___ fibers, while cellulose, lignin, some pectins are ____
soluble
insoluble
complex carbs that are ____ are things like bread, rice and corn
starches
GLYCOGEN from complex carbs will either go to the __ or ___
liver
muscle
glycogen from complex carbs in the liver stores ___ kcal, and uses it for ____ regulation
400
blood glucose
glycogen from complex carbs in the muscle store ___ kcal and use it for _____
1400
short duration exercise
fasting blood glucose is normally ____ mg/dL and is regulated by these two peptide hormones:
70-99
glucagon/insulin
insulin is secreted from ___ and glucagon is secreted ___, both in the pancreas
B cells
a cells
insulin stimulates ___ synth, ___ synth, and ___, which gets glucose into MUSCLE and ADIPOSE
glycogen
TG
GLUT4
glucagon stimulates _____ BREAKDOWN and _____
glycogen
gluconeogenesis
glucagon stims gluconeogenesis from these three things
glycerol
glucogenic AA
lactate
T1D is insulin ____ and T2D is insulin ____
dependent (autoimmune)
independent (poor diet)
what two things affect blood glucose and increases TG?
sugars
starch
glucogenic AA, like ____, which is made from ____, are released from muscle when needed for gluconeogenesis
alanine
leucine
carb:protein recommended post RESISTANCE exercise
3:1
carbs recommended preworkout for ENDURANCE:
- 2-3h prior: __ g/kg
- 3-4h: __g/kg
- 1h: __
2-3 g/kg
3-4.5 g/kg
1 g/kg
for ENDURANCE, it is recommended that carbs are taken in every __-__ min, preferably ___ and ___, to enhance glucose oxidation
15-20
glucose/fructose
post-workout carb:protein for ENDURANCE
3:1