Week 3 - Clear Spirits Flashcards
(138 cards)
What is distillation in general?
The action of purifying a liquid by a process of heating and cooling (Oxford Dictionary)
What is distillation with regards to alcohol?
An act of boiling and condensing alcohol within a still
Is a spirit a fermented beverage?
No
How do spirits and wine/beer differ?
A spirit is the product of distillation of a fermented beverage
Wine are beer are fermented beverages
What is a spirit?
A spirit is the product of distillation of a fermented beverage
How does the process of distillation work?
Alcohol has a lower boiling point than water
This allows alcoholic vapours to be separated from water
Is distillation a new practice?
No. Been practiced for thousands of years
Name 2 vessels in which distillation can occur:
Pot Still
Continuous Still
With regards to distillation, what is a “wash”?
Fermented liquor
Anything with sugar in it
How does distillation in a pot still work (describe the first four steps involving heat)
Wash poured into vessel and closed
Heat applied
Liquid turns to vapour
Vapour travels up vessel into a condensing coil
Why is copper important in stills:
Conducts heat efficiently
How does distillation in a pot still work - chilling part.
Vapours in condensing coil cooled and turned back to liquid
Separated into another vessel
Number of vapour types:
3: Head, middle and tails
Describe the first vapours:
The “head”
Contain methanal and toxic alcohol
Discarded
Describe the middle vapours
Desired
Describe the final vapours:
The “tails”
Unwanted congeners tend to collect in the vessel as residue
What is a congener:
A minor chemical constituent
Gives a distinctive character to a wine or liquor
Responsible for some of its physiological effects
Describe the retained spirit from a pot still:
Flavourful
What is a Column Still?
See the pic stupid
How many columns does a Column still have?
2
What are the names of the columns in a Column Still?
The analyzer and the rectifier
How does a Column Still vaporize alcohol?
Uses steam versus direct heat
What is the result of using steam as opposed to direct heat a Pot Distiller?
Resulting spirit is condensed to a more pure state
Negative impact of using steam in a Column Still to vaporize alcohol:
Strips flavour