Beer Production and Technology

Contents:
Introduction
History of beer
Ingredients of beer
Beer Production Process
Process Flowsheet
Process Description
Beer -Definition
Beer is an alcoholic drink brewed mainly from malted barley, hops, yeast and water although other sources of fermentable carbohydrate (eg. maize, wheat, rice) and other natural ingredients may be added to create different styles and flavour.
Description
The process of making beer is known as brewing.
Beer is produced by fermentation of starches derived from cereal grains.
The alcoholic strength of beer is usually around 4% to 6% alcohol by volume (ABV).
Beer-History
Beer is one of word’s oldest prepared beverages. Historians believe prehistoric man
made beer before learning to make bread. Beer has been referred to as “liquid
bread”.
In 4000 B.c sumer people fermenting a bread to form fermented pulp-intoxicating
effect-”Divine Drink”.
3000 BC The Babylonians had up to 20 different types of beer.
1550 BC The Egyptians were also keen brewers.
The Middle Ages In the Middle Ages the largest brewers were the monasteries.
The Introduction of Hops: Hops are mentioned in records in Germany as early as
822 AD .
The Law of 1516 The world’s first food ingredient regulation is the German Purity
Law-The law stated that beer could only be brewed from water, hops and malt —
the use of yeast would come later, after it had been identified as the organism
responsible for fermentation


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