The food residue passes into the large intestine where excess water is removed and the wastes are passed out through the cloaca.
Fermentation occurs when unabsorbed food residues may arrive in the colon.
Clean off food residue with salt and a plastic scrubber, but avoid using soap or detergent.
Also, food residues do not usually accumulate extraneous deposits.
If there is no food residue on the board, there is nothing for bacteria to grow from.
On modern pressure cookers, food residues blocking the steam vent or the liquid boiling dry would trigger additional safety devices.
Basic cleaners are often formulated to remove greasy materials such as fingerprints and food residues.
It is also claimed that in chewing, it may help to remove food residues.
No one washes the food residue out of empty cans.
That is where the food residue comes from.