CORE AREA 1 FOOD STUDIES Absorption and utilisation of proteins i L
After digestion the amino acids are ready to be absorbed by the small intestine. To enter, they pass through the wall of the villi and into the bloodstream.
HL
Next, the hepatic portal vein transports the amino acids to the liver. In the liver, amino acids are: • used to maintain and repair liver cells
• passed into the bloodstream and body tissues to form new cells, hormones, enzymes and antibodies. Excess amino acids are deaminated to produce heat and energy.
