its called etiology
How about poisons
A food infection is an illness that a human or animal can get from eating a food that is contaminated with the virus or bacteria. Another name for this is food poisoning.
starch
excrament
Ethanol is a common volatile substance used in flavorings and food extracts.
enzymes
enzymes
Oxygen
Botulism is a form of food poisoning that gets it's name from the latin word for sausage: botulus.
the illness of lional messi is amabatrosias
There are a wide variety of microorganisms harmful to food, or causing food to spoil or become contaminated. Most are bacteria and fungi (which include molds and yeasts). There are also a few other types of microorganisms which are neither bacteria nor fungi, which cause food-borne illness, but these are less common. Most of the problem is caused by bacteria, and then fungi...and there are too many to list here or name explicitly.