Digestion of Carbohydrates Flashcards
Digestion of Carbohydrates
mechanical digestion
Mouth
Digestion of Carbohydrates
chemical digestion 2-4 hours to digest and push to intestine
Stomach
Digestion of Carbohydrates
– 24 hrs. to digest
Small Intestine
– amylase (an enzyme of the saliva, secreted by the parotid glands,
acts on ____ to begin its breakdown to
starch, dextrins and maltose)
Small Intestine
Enzyme
pancreatin enzyme, amylopsin, converts starch into dextrins and
maltose
Intestinal Juice – contains three disaccharides
sucrose, lactose, and
maltose
are organic compounds composed of carbon, hydrogen, and oxygen.
Triglycerides
Fats a
Fats
They belong to
class of fats and fat-related compounds called
lipids
Fats constitute ____ of the
energy in the human body.
34%
They provide a more concentrated source of energy compared to
carbohydrates.
Fats
Some fats deposits are not used and are considered
structural fat
Generally, no more than ____ of total calories should come from fat
(10% or less from saturated fat sources).
20% to 35%
A diet high in fat is linked to
cardiovascular disease, hypertension,
and diabetes mellitus.
Conversely, a diet with less than 10% fat cannot supply adequate amounts
of essential fatty acids and results in a
cachectic (wasting) state.
Very-low-density lipoproteins (VLDL) carry
triglycerides to the
tissues (51-197mg/dL)*