| | Author | Message |
|---|
nightvid
| | #1 posted November 20, 2004 at 7:18pm (EDT) |
I recently read somewhere that the human small intestine can only absorb 10 grams of fat an hour. From what I know about the digestive process, food normally spends about three hours in the stomach, six hours in the small intestine, and 15 hours in the large, totalling about 24. If the 10 grams per hour rule is so, then if you ingested 240 grams of fat at one sitting, you would either pass a large amount through unabsorbed, or it would be retained much longer than normal. I once had this much fat at once, followed a few hours later by a more normal meal, and did NOT pass a huge greasy mess out the next day when having the bowel movement corresponding to that meal 24 hrs. later. Is the 10 grams per hour law just wrong or do I have Superman's digestive system? | Biggles  
| | #2 posted November 20, 2004 at 7:54pm (EDT) |
I don't know much about digestion, but there may well be a difference between the amount of fat you absorb, and the amount that is broken down into products that you wouldn't recognise as related to fat in your stool. I also think that very fatty food is unlikely to spend that long in your body - fibrous foods may take a long time to pass through, very fatty food will probably be a lot faster than 24 hours. |
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