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I read several post discussing the idea that the body can only absorb and process a certain amount of protein at a time. Some people have used varying amounts from 15-30 grams at each meal.
I hope this info will answer all questions on the subject.
Proteins are amino acids held together by peptide bonds. When they are ingested they are reduced to single amino acids or small chains to allow absorption into the blood.
Almost all protein ingested us digested and enter the blood for use by the body.
In the stomach Pesinogen is activated by hydrochloric acid into Pepsin. 15% of protein digestion occurs due to this action. Once the remain protein moves into the small intestine pancreatic enzymes (chymotrypsin. trypsin and carboxypeptidase) continue the digestion process. About 50% of protein digestion occurs here.
Brush border Enzymes are peptidases that continue to reduce proteins to small amino acid chains that can be absorbed. Occasionally small polypeptides may be reduced to single amion acids within the cytoplasm of the mucosal cells. This final protein digestion by th brush border enzymes accounts for 35% of protein digestion.
Absorption:
Rate of absorption of 2 - 3 amino acids polypeptides is usually higher than for single amino acids.
Secondary active transport system is used in the digestive tract gut epithelia nd the gut lumen and epithelial cell lumen. This transport is Na+ coupled as in glucose and galactose.
Single amino acids have specific transport systems some of which use Na+ coupled transport, sometimes this occurs by simple difusion.
SO EAT, DRINK and TAKE in PROTEIN!!
I hope this info will answer all questions on the subject.
Proteins are amino acids held together by peptide bonds. When they are ingested they are reduced to single amino acids or small chains to allow absorption into the blood.
Almost all protein ingested us digested and enter the blood for use by the body.
In the stomach Pesinogen is activated by hydrochloric acid into Pepsin. 15% of protein digestion occurs due to this action. Once the remain protein moves into the small intestine pancreatic enzymes (chymotrypsin. trypsin and carboxypeptidase) continue the digestion process. About 50% of protein digestion occurs here.
Brush border Enzymes are peptidases that continue to reduce proteins to small amino acid chains that can be absorbed. Occasionally small polypeptides may be reduced to single amion acids within the cytoplasm of the mucosal cells. This final protein digestion by th brush border enzymes accounts for 35% of protein digestion.
Absorption:
Rate of absorption of 2 - 3 amino acids polypeptides is usually higher than for single amino acids.
Secondary active transport system is used in the digestive tract gut epithelia nd the gut lumen and epithelial cell lumen. This transport is Na+ coupled as in glucose and galactose.
Single amino acids have specific transport systems some of which use Na+ coupled transport, sometimes this occurs by simple difusion.
SO EAT, DRINK and TAKE in PROTEIN!!
