What is the primary difference between a spirit and fermented beverages like wine or beer?
A spirit is the product of a distillation of a fermented beverage, while wine and beer are fermented beverages.
At what temperature does ethyl alcohol boil at sea level?
Approximately 173 degrees Fahrenheit (78 degrees Celsius).
What is the principle behind fractional distillation?
The separation of two liquids with different boiling points.
Which ancient civilization first used fractional distillation to make perfumes?
Ancient Babylonians.
Who was the first to note that condensed boiled seawater was not salty?
Aristotle.
Name some ancient cultures that were aware of distillation properties.
Who is credited with the history of modern distillation?
Jäbir ibn Hayyan, an eighth-century Arabic chemist-alchemist.
What is the name of the early distillation device developed by Jäbir ibn Hayyan?
Alembic still.
What does the term ‘alcohol’ derive from?
The Arabic al-koh’l, a cosmetic powder purified through distillation.
What two types of stills are commonly used in modern spirits distillation?
What is the process involved in a pot still?
Fermented liquor is heated in a closed vessel, vaporizing ethyl alcohol, water, and congeners.
What are foreshots in the distillation process?
The first vapors to condense, which contain toxic congeners such as methanol.
What are tails in distillation?
Unwanted congeners that collect in the distillate residue and must be discarded.
What is the main advantage of a continuous still over a pot still?
It produces a cleaner spirit with a higher alcohol content by using steam instead of direct heat.
What are the two columns in a continuous still called?
True or False: Congeners are solely responsible for impurities in distilled spirits.
False.
Fill in the blank: The continuous still sacrifices _______ for a clean spirit.
distinction
What color are all spirits after distillation?
Colorless
All spirits are colorless immediately after distillation.
How do brown spirits, such as brandy and Scotch whisky, gain color?
Aging in oak casks
The aging process in oak casks contributes to the color and character of brown spirits.
Do bottled spirits continue to develop after bottling?
No
Unlike wine, bottled spirits do not continue to develop once they are sealed.
What are the two main methods of flavoring spirits?
Maceration and infusion
Maceration is a slower, cold method, while infusion is a quicker, hot method.
What is the difference between maceration and infusion?
Maceration is a slower, cold method; infusion is a quicker, hot method
Both methods involve steeping a flavoring agent in alcohol.
What does the percolation method resemble?
Coffee brewing
In percolation, the base spirit is pumped through the flavoring material.
What may lower-quality flavored spirits contain?
Artificial flavor and color additives
Such additives can compromise the quality of flavored spirits.