The answer is simple: yeast has a
in the form of
, which is not the case of
. Yeast is a
. Like those found in humans, yeast cells are living and natural.
The yeast cell is no bigger than a pinhead. Zoom onto the infinitely small.
Yeast is an egg-shaped microscopic cell, not visible to the naked eye. It is scientifically called a "
Its size does not exceed 6 to 8 thousandths of a millimetre, which is hardly bigger than a pinhead.
It is commonly found in the form of a block of yeast. A 1 cm cube weighs around 1g and contains more than 10 billion living yeast cells!
There are two types of yeast: natural and chemical. They are not the same thing! Explanations.
natural and chemical yeasts. Chemical yeast consists of bicarbonate of soda, potassium hydrogen tartrate and corn starch and does not allow . fermentation
Natural yeast consists of living elements and is used to make bread, wine, beer and even vaccines.
The name "yeast" comes from the fact that these organisms make the bread dough "foam or froth". How does it work?
Yeasts create what is called a fermentation. In this case,
it is alcoholic fermentation as glucose (sugar) is transformed into carbon dioxide and alcohol. The released carbon dioxide gives the sparkle to beer and makes bread dough lighter, more airy and therefore less compact.