Digestion And Absorption Flashcards
Carbs
Broken down to sugars into monosaccharides
Starts in the mouth by amylase
Proteins
Proteins to amino acids
By proteases likes pepsin
In stomach
Fats
Emulsified by bile salts
Further broken down by lipases into monoglycerides and fatty acids
Forms micelles that are absorbed by microvilli of SI
Absorption location
Mainly in SI
requires a large SA (folds, villi, microvilli)
Through enterocytes
Where does Sugar and A.A absorption end up
Straight to liver
Fats absorption
Into lymph then venous blood
How many extra calories are required during pregnancy?
200 calories (third trimester)
Protein during pregnancy:
- 46g to 71g during pregnancy
-lean meat, pulses, eggs and nuts
Fruits and vegetables during pregnancy:
-high fibre diet to combat constipation
- vitamin C required to increase iron uptake
-folate required for cell division (leafy,green veg)