In this experiment, one kind of xylanase from a company was used for the research of the activity of enzyme stability in the simulation pig stomach environment in vitro.

Motility of gastric strips taken from different regions of guinea pig stomach were simultaneously recorded in 8 tissue chambers to test the effect of cholecystokinin-octapeptide (CCK-8) and secretin.

And then there are the likes of pig brain, duck gizzard and cow stomach and throat — all popular additions to fiery Sichuan hot pot.