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Carbohydrates
Carbohydrates
53
Nutrition
Undergraduate 4
04/21/2014

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Cards

Term
classifications of Carbohydrates (2)
Definition

simple carb

complex carbs

Term
classifications of simple carb (2)
Definition

monosaccharides

disaccharides

Term
classifications of complex carb (2)
Definition

oligosaccharides

polysaccharides

Term
3 types of monosaccharides
Definition

Glucose

fructose

galactose

Term
3 types of disaccharides
Definition

lactose

sucrose

maltose

Term
2 types of oligo saccharides
Definition

dextrins

galacto-oligosaccharides

Term
3 types of polysaccharides
Definition

starch

glucose

fiber

Term
monosaccharide sources
Definition
mostly fructose found in honey vegie and fruits
Term
contents of maltose
Definition
2 glucose
Term
contents of sucrose
Definition

glucose

fructose

Term
contents of lactose
Definition

galactose

glucose

Term
contents of isomaltose
Definition
2 glucose
Term
isomaltose is formed when....
Definition
during starch digestion
Term
food source: lactose
Definition
dairy
Term
food source: maltose
Definition

rare

formed in GI tract during starch digestion

Term
food source: sucrose
Definition

supar beets/cane

naturally added as sugar

Term
sugar count: oligosaccharide
Definition
3-10 sugars
Term
sugar count: polysaccharides
Definition
>=10 sugars
Term
food source: dextrin
Definition
formed in GI tract during starch digestion
Term
dextrin is digested by
Definition
pancreatic amylase
Term
food source: galacto-oligosaccharides
Definition
found naturally in foods
Term
galacto-oligosaccharides function
Definition
prebiotic (promote growth and activity of good bacteria in GI.)
Term
food source: starch
Definition
grains primarily
Term
AMDR for carbs
Definition
45-65%
Term
RDA for carbs
Definition
130g/day
Term
storage form for glucose in plants
Definition
starch
Term
storage form for glucose in humans
Definition
glycogen
Term
digestion in mouth is by.....
Definition

salivery amylase

(hydrolyzes alpha 1-4 bonds in starch/amylose and amylopectin=dextrins)

Term
digestion in stomach
Definition
none
Term
digestion in small intestines
Definition
pancreatic amylase (hydrolyzes alpha 1-4 bonds)
Term
pancreatic amylase hydrolyzes alpha 1-4 bonds in dextrins making....
Definition
maltose
Term
pancreatic amylase hydrolyzes alpha 1-4 bonds in amylose making....
Definition
maltose and or dextrins
Term
pancreatic amylase hydrolyzes alpha 1-4 bonds in amylopectin making....
Definition

maltose

limit dextrin

isomaltose

Term
limit dextrin bonds are digested by
Definition
alpha dextrinase/isomaltase=glucose
Term
end products of carb digestion are.....
Definition
monosaccharides
Term
glucose uses (3)
Definition

energy

storage

Maintenance of blood glucose homeostasis

Term
glucose break down produces.........
Definition
energy
Term
2 storage forms of glucose
Definition

glycogen

fat

Term
the main site of glucose production and storage
Definition
liver and muscles
Term
glucose released from glycogen in the ______ CAN be released into the blood.
Definition
liver
Term
glucose released from glycogen in the ______ CANNOT be released into the blood.
Definition
MUSCLES
Term
true or false fat break down DOES produces glucose
Definition
false
Term
insulin function
Definition
uptakes glucose from insulin dependent cells =lower blood glucose
Term
insulin dependent cells
Definition
muscle, heart, fat cells
Term
glucagon function
Definition
stimulates breakdown of glycogen= inc blood glucose level.
Term
glucagon and insulin are from what organ?
Definition
pancreas
Term
sources of blood glucose
Definition

glycogen breakdown

food

Term
benefits of water soluble viscous fibers
Definition

delay gastric emptying=slow down absorption of nutrients

slow down transit time

Term
benefits of water in solubles fibers
Definition

speed up transit time

inc fecal bulk (helps with constipation)

Term
water soluble fibers benefit who?
Definition
those with diabetes and high cholesterol
Term
fiber RDA
Definition
20-30g/day
Term
3 minerals formed in the GI tract
Definition

isomaltose

maltose

dextrin

Term
2 minerals formed from starch digestion
Definition

maltose

isomaltose

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