Sure:
"Gastric contents
If the last known meal is still present in the stomach of a
corpse and the time of that meal is known, then it can give
some general indication of the interval between the meal and
death. In general if all or almost all of the last meal is present
within the stomach then, in the absence of any unusual factors,
there is a reasonable medical certainty that death occurred
within 3 to 4 hours of eating. Similarly if half of the meal is
present then it is reasonably certain that death occurred not
less than one hour and not more than 10 hours after eating.
However, these are broad generalisations and difficulties arise
in individual cases because the biology of gastric emptying is
complex and influenced by a wide variety of factors including
the size and type of meal, drugs, stress and natural disease.
Remarkably liquids, digestible solids and non-digestible solids
ingested together in the same meal will leave the stomach at
different rates. The emptying of low-calorie liquids is volume-dependant
(monexponential) resulting from the motor activity
of the proximal stomach. By contrast digestible solids empty
more slowly, in an approximately linear pattern after an initial
lag period, primarily as a result of the motor activity of the
distal stomach. Non-digestible solids which cannot be ground
up by the stomach into smaller particles are emptied after the
liquid and digestible solids, during the so called inter-digestive
period, as a result of a specific wave of motor activity in the
stomach. In general meals of a higher osmotic and caloric
content are emptied more slowly.
However, there is a substantial variation in gastric emptying
rates in normal people. Individuals who suffer severe injuries
resulting in coma and survive several days in hospital may still
have their last meal within the stomach at autopsy. These are
extreme examples of delayed gastric emptying but serve to
illustrate the point that the stomach is a poor forensic timekeeper.
There have been several cases of alleged miscarriages of
justice in which medical experts have wrongly used the
stomach contents at autopsy to provide estimates of time of
death to an accuracy of half an hour whereas the degree of
accuracy possible is at best within a range of 3 or 4 hours."
http://www.dundee.ac.uk/forensicmed...Forensic Medicine Derrick Pounder 48pages.pdf