Bread
Alcohols are made using fermentation. Fermentation creates the bubbles that make cakes and bread airy and light.
Wine is made by anaerobic fermentation. It is carried out by yeast.
Ajinomoto is a brand name from Japan and its food seasoning product is made of "Monosodium Glutamate". A substance made by fermentation of extracts from sugar cane and tapioca.
Fermentation....
Fermentation....
It is called "fermentation" to be precise "aerobic fermentation".
Alcohol, ethanol, methanol. It's from the fermentation of plants, so it's available anywhere.
ethanol.
ethanol
Pyruvic acid is made during glycolysis and is later used in fermentation.
When bacteria undergo anaerobic respiration, they ferment, producing an alcohol functional group. This is used in many bacterially cultured dairy produts like yogurt and cheese. This is also obviously a critical part of alcohol production, though that isn't exactly food.
Ethanol is made by the fermentation of sugar using yeast.