Yeast is actually a fungus. There are 1,500 different species but the most common one is the one that is used for baking and alcoholic beverages, for example beer. It is called cerevisiae. It is also used in cell research and is the most widely researches yeast.
This is a top fermenting yeast in that it rises to the top of the beer as it ferments. Top fermenting yeast is the one that is used for making Ale type beers. These are very popular throughout Europe and the USA. This yeast is commonly used for baking and for cell research.
Brettanomyces is a different form of yeast that will produce a strange sour taste in a beer. It is, as a contamiant of many beer brands, but some, especially Belgian beer's taste permitted viewed.
Creative Commons is a bottom yeast and the beer was produced by fermentation in a cold temperature, Bayern took the caves for this purpose, they killed all but a few of the yeasts and yeast left the camp at the bottomthe mixture continues to ferment. This practice was perfected by the Bavarians. The yeast was then stolen and taken to Germany. This helped to share the famous lager beer, and exported to many countries.
Lambic wild yeast strains used for beer of that name. They are generally used by the Belgian brewer. These tribes were originally found in streams around Brussells. But now they can be purchased throughout the world.
Yeast is used for fermentation. This is How you get the alchahol in beer and that's when the mixture is finally beer. Prior to this, the mixture is known as wort. The fermentation starts as soon as yeast is added to the mix. The yeast eats the sugar in the malt and produce alcahol.
You can get it out in solid, powder, cake or dried. You can get it in your local grocery store, baking, or specialized cullanary store and even online. There are many sites specializing home brewing and>supplies. Different types of yeast will give you different varieties of taste and consistency.
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