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Alcoholic Beverages
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What is an Alcoholic Beverages?
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OBJECTIVE• History & Origin of Alcohlic
Beverages• Types of Alcohol.• Methods of preparing Alcohol.• Classification of Alcoholic Beverages.• Alcoholic Strength of Beverages.
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• The word alcohol is derived from the Arabic al-khol.
• Alcohol is generally define as the liquid contains ethyl alcohol, or ethanol (CH3CH2OH).
• The percentage of alcohol in a drink is varies from 0.5% to 95% depending on the method.
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Classification of alcoholic beverages
Alcohol drinks are classified into three types they are:
• Brewed &fermented drinks.• Fermented drinks.• Distilled drinks.
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What is fermented drinks?
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• Yeast act on sugar and convert one molecule of sugar into two molecule of ethyl alcohol and two molecule of carbon dioxide (co2).
• The alcohol level rises up to 14%. • Once the alcohol level riches 14% the yeast is killed later it bring
the fermentation process is to halt or end.
Yeast Sugar Alcohol
Acts on
Gives out
& releases co2
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How fermentation to take place?
• If there is a absence of any of these, fermentation will not take place
• Wine, cidar & Cherry are the example of fermented drinks.
Yeast Sugar Temperature
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What is brewing ?
?
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• A steeping and boiling grain and infusing them in hot water to get (or) extract the sugar, flavor & other substances.
• During this process the malt are being mashed.• The temperature at this stage is around650(1500F).
Example of brewed & fermented drinks are
• Beer • Sake
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Distillation
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Distilled Drinks
BRANDYFermented grape juice
GIN,WHISKYFermented cereals
TEQUILAFermented sap of agave
Tequila Weber
RUMFermented molasses
VODKAFermented potatoes
or cereals
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Method of preparing alcoholAlcoholic drinks are produced by the following methods:
Fermentation:• Is the process in which sugar is converted to
alcohol and carbon dioxide by yeast. This process is the basis for producing all types of alcoholic beverages.
Distillation: • Is the process of separating elements in a liquids
by vaporization and condensation.
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What is stilling
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• Stilling is the process of separating alcohol from water.
• There are two types of still used in distilling spirits:
-------------------------------------------------• The pot still method.• The patent or continuous still method.
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POT STILL METHOD
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Advantages The advantage of this system are as follows:• It produces spirits that are individualistic due to
the presence of congeners.• Spirits with pronounced aroma • Small quantity of wash can be distilled.DisadvantagesThe limitations of this system are as follows:• It need more time and labor• It is costly to operate• Stills need frequent cleaning & refilling, often after each
distillation.
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Patent or Continuous still
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Advantages • The advantage of this system are as follows:• It does not required too much of labor, cleaning & refilling.• More quantity is produced as compared to pot still method.• It is cost effective.
Disadvantages• The limitation of this system are as follows:• It is not suitable for small quantity of distillation.• Aroma and other essential elements that are required
in the drink may not be achieved. • After manufacturing, most of the fermented and
distilled drinks are aged before bottling to mellow them & to make them acquire unique characteristics.
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Questions?• What is fermentation? Example of fermented drinks
are?
• What is distillation? give example for distilled drinks?
• Explain pot and patent still method.
• Classify alcoholic beverage.
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