Posted 4/6/2013 3:44 PM (GMT 0)
It is difficult to state with any precision how long ingesta remains in the stomach, small intestine and large intestine. Nonetheless, there have been many studies on GI transit, and the table below presents rough estimates for transit times in healthy humans following ingestion of a standard meal (i.e. solid, mixed foods).
50% of stomach contents emptied 2.5 to 3 hours
Total emptying of the stomach 4 to 5 hours
50% emptying of the small intestine 2.5 to 3 hours
Transit through the colon 30 to 40 hours
Remember that these are estimates of average transit times, and there is a great deal of variability among individuals and within the same person at different times and after different
Carlie
reference*http://www.vivo.colostate.edu/hbooks/pathphys/digestion/basics/transit.html*