Discover the chemical process which produces some of our most common foodstuffs, from bread to yoghurt, to wine and vinegar.
- Fermentation is the process of converting sugar and other food items to other products with the help of microorganisms.
- The microorganisms commonly used in these reactions are yeast, mould and bacteria.
- Fermentation of wine involves adding yeast to grape juice inthe absence of oxygen.
- Yeast produces enzymes which break down natural sugar in to ethanol and carbon dioxide.
It turns milk into cheese, grapes into wine, and water boiled with barley seeds into beer.
These transformations may sound like the work of magic, but they're down to a natural process that changes the properties of substances, using the help of microorganisms.
It's called fermentation.
The exact type of fermentation depends on …
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