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12 votes
Accepted

Why aren't the antibodies in the mother's milk digested by the infant's digestive system?

Demers-Mathieu et al. 1 used ELISA to quantify immunoglobulin concentrations from milk after 2 hours of digestion in the stomachs of preterm-delivered and term-delivered infants. From the abstract: ...
acvill's user avatar
  • 8,296
6 votes
Accepted

Does eating beans of a mother cause flatulence on babies?

When the mother eat beans, the fiber (oligosaccharides) from them is not digested in the small intestine, so it travels to the large intestine, where normal intestinal bacteria break it down to some ...
Jan's user avatar
  • 8,089
5 votes

What controls gut motility?

When discussing the control of gut motility there is more to mention than the use of serotonergics and opioids - a number of peptide and nonpeptide neurotransmitters are important. Somatostatin and ...
Roby Vicary's user avatar
4 votes

Carbohydrates in acidic stomach

As for the digestion of fats there are two digestive enzymes active in the stomach: Lingual lipase (produced with saliva) Gastric lipase (produced in the stomach chief cells) Both have activity ...
adjan's user avatar
  • 2,106
4 votes
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How does the stomach handle continuous eating?

First of all, the stomach releases the digested food continuously. Simply put, during digestion the pylorus regularly opens a bit so that small food particles (< 1-2mm) are able to leave the ...
K. Biermann's user avatar
2 votes

Carbohydrates in acidic stomach

People who have no stomach acid because of medicine or surgery still digest their foods. Otherwise you would predict incomplete digestion / weight loss / diarrhea would be a consequent of stomach ...
Willk's user avatar
  • 2,964
2 votes

Gastric and intestinal gas exchange

Intestinal gas consists of ingested air and gas formed during digestion. Stomach gas consists of 15% oxygen and 7% carbon dioxide approximately; the remaining is nitrogen. The air that we breathe ...
Twinkle Sheen's user avatar
2 votes
Accepted

What happens to intrinsic factor exactly at the terminal ileum, where B12 is absorbed?

After reversible attachment of intrinsic factor-cobalamin complex to its ileal surface receptor, an energy-dependent process prevents removal of the complex from the cell surface by EDTA or acid; ...
Ojasvi's user avatar
  • 846
2 votes

How does the stomach handle continuous eating?

Does the stomach need to start over after every bite? No. When the stomach digests food and some new food comes in, it just continues to digest the old and new food. The stomach releases small ...
Jan's user avatar
  • 8,089
1 vote
Accepted

Is it advised to calculate QED parameters for salts?

I found the answer when I was reading about InChi in more detail. For example, to a bioscientist “glutamic acid” and “glutamate” are the same thing, but to a computational chemist the loss of a ...
atevm's user avatar
  • 299
1 vote
Accepted

Why is urobilinogen reabsorbed from the gut just to be excreted via the kidneys?

I think that it is missing some details. Note that the vast majority of urobilinogen (~80%) is actually eliminated via fecal elimination. I would recommend looking at the article on enterohepatic ...
Maximilian Press's user avatar
1 vote

What happens when a human ingests a large meal, and after a short time follows it up with a large amount of indigestible carbs?

Indigestible carbs are known as dietary fiber. They slow down gastric emptying, which results in slower absorption of the absorbable nutrients in the small intestine. Early research regarding ...
Jan's user avatar
  • 8,089
1 vote

Whence fecal E. coli (et al.) if swallowing it is dangerous?

There are many varieties of E. coli, with differences in their chromosomal DNA, different plasmids (independent loops of DNA that replicate autonomously inside the host cell and can be transferred ...
S. McGrew's user avatar
  • 747
1 vote

What can pass through the intestinal membranes?

Virtually all nutrients from food can be absorbed into blood through the lining of small intestine and colon. What can be absorbed in the small intestine: Water Simple sugars (monosaccharides): ...
Jan's user avatar
  • 8,089
1 vote

Can polystyrene sulfonate bind calcium or sodium in the gut? How?

Are you talking about Sodium Polystyrene Sulphonate (a.k.a SPS)? If yes, then ... Quoting from Chaitman, Dixit and Bridgeman (2016) Synthetic cation-exchange resins are insoluble polymers ...
Abell's user avatar
  • 11
1 vote

Where in the digestive tract are melatonin pills dissolved? Same question for gelatin capsules

Unless specially coated or formulated, most pills break apart in the stomach. Note: "break apart", not necessarily absorbed. Take a gelatin capsule with rice or melatonin and immerse it in warm water....
anongoodnurse's user avatar
1 vote

Is there any mechanical digestion that occurs once food/chyme enters the small intestine?

I believe in small intestine peristalsis is sometimes counted as mechanical digestion as the food is moved along the digestive tract. Chemical digestion occurs with enzymes secreted from the pancreas. ...
Elizabeth's user avatar
1 vote

Can Helicobacter pylori be eradicated naturally?

If I understand you correctly you would want to eat lots of wasabi and the likes to decrease/eliminate the bacterial load of H. pylori in your body. Concerning your questions - to be perfectly ...
Maik Ro's user avatar
  • 111
1 vote

Can Helicobacter pylori be eradicated naturally?

H.pylori is a bacteria that is a cause for Peptic ulcer disease of human being. It helps to create more acidic product and causes ulcer. But human body is naturally protected to H.pylore, but excess ...
Dr.Fazle Rabbi's user avatar

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