CHAPTER 4: WHISKIES Flashcards
Whisky/Whiskey
Where is whiskey produced?
Everywhere
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What is the four (4) point standard of Whisky? (recognized in international trade agreements)
- Spirit obtained from fermented mash of grain
- Distilled at less than 95% ABV
- Stored in oak barrels
- Bottled at no less than 40% ABV
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What is the only spirit that must be made exclusively from grain?
Whisky
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What generally determines the type and combination of grains used in whisky production?
The country or region in which the whiskey is produced.
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Who was first believed to produce Whisky?
It is believed to be Irish Celts
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What was the first evidence of whiskey production?
The Exchequer Rolls of Scotland, in the last decade of the 15th Century shows an order from the king for a monk to make malt into aqua vitae.
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What does uisgebeathe or uisgebaugh mean?
Water of Life
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Which countries use the spelling “Whisky”? (no E)
Scotland and Canada. US varies.
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What is the five (5) step production procedure for Whisky?
- Mash/Wort Preparation
- Fermentation
- Distillation
- Maturation
- Blending and Bottling
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What are the four (4) primary grains used in making whisky?
- Barley
- Corn
- Rye
- Wheat
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Which of the four primary grains is malted or sprouted? Why?
Barley, since it is the most prolific source of enzymes.
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Does a grain recipe require a substantial amount of barley to convert the other starches into fermentable sugars?
No, a small amount is required.
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What two (2) enzymes are released with a grain sprouts?
- Alpha Amylase
2. Beta Amylase
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What does Diatase do?
The enzyme breaks down the carbohydrates or starches into maltose.
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What is the role of Maltose?
It is the bi-molecular sugar produced from the diatase and carbohydrate or starch reaction. This sugar further breaks down into a simple sugar with can then be fermented by yeast.
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During which phase do the enzymes become active.,Malting or Mashing?
Mashing
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When barley is germinated (malted) what is it called?
Green malt
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What is done with Green Malt?
It is kilned to stop germination and conclude the Malting phase.
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How does kilning play a role in flavor profiles?
The time and temperature of the heating process caramelizes the sugars in the malted grain
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What is the next step for kilned or roasted malt?
It is screened and ground into grist.
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What is done with the Grist?
It is mixed with hot water and heated to 135-170 degrees F in a Mash Cooker (US term) or Mash Tun (EU term)
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What occurs in the Mash Cooker or Mash Tun?
The water dissolves the sugars and liquefies most of the remaining starches. Diastase completes the conversion process. Starch is converted to sugar.
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Why are the Diatase enzymes able to become active?
The heat
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What does Scotland and Ireland call “Mash” or “Wort”?
The sugary liquid that is “washed” from the malt. It is drained off.
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What does the US call “Cook” or “Mash”?
The sugary liquid and ground grain particulates, which are allowed to remain in the mixture. Described as a thick slurry.
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What are the necessary requirements for water used in Whisky production?
Iron-free
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What effects would iron in the water have on the finished Whiskey?
Instead of being golden-hued, a mature whisky would have a black-tinge to the color.
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How does the presence or absence of calcium, magnesium, or phosphates effect the water quality in Whisky?
They determine the hardness or softness of the water, which has a sensory impact on the finished product.
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How does Scottish Whisky benefit from mountain stream water?
It is soft water that is best for steeping barley.
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How does Central US distilleries benefit from their local water?
Due to dissolved limestone and minerals, the water is hard and provides nutrients for the fermenting yeast.
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Two (2) methods for treating water:
- Reverse Osmosis
2. Activated Carbon Filtration
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Why should chlorine NOT be in distillation water?
It can kill off enzymatic reactions.
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Define Washback
In Scotland, vessels made from wood or stainless steel, where Whisky fermentation takes place.
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True or False:
Fermentation of US Whisky takes place in open top fermentors up to 20,000 gallons in size.
TRUE
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How long does Whisky fermentation take?
40-72 hours
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What is the finished ABV during Whisky fermentation? and what is this product referred to?
8-14% ABV, called “beer” or “wash”
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How does beer and whiskey differ during the Malting and Fermenation phases?
Hops are NOT used in whiskies, otherwise it is the same.
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What type of still is used for Whisky?
Either the Pot Still or the Column Still. For lighter elements the column still is used.
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Define: Low Wine
The distillate product from the first pot still batch.
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Define: Wash Still
The first Pot Still in Whisky distillation
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Define: Spirit Still
The second Pot Still in Whisky distillation
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Define: High Wines
The distillate product from the second pot still batch in Whisky production. The same as New Make Spirits.
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Define: New Make Spirit
The distillate product from the second pot still batch in Whisky production. The same as High Wines.
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What is done with the foreshots or feints?
They are selectively returned to the next distillation cycle for further refinement.
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How is the heart preserved in Whisky production?
The spirit flows through a Spirit Safe when it is sampled, alcohol strength is measured and classified.
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What proof is the New Make Spirit or High Wine reduced to prior to barrel aging in Whisky production?
125 proof
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What two (2) general parameters influence the finished Whisky, apart from length of aging:
- Type of Barrel used
2. Storage conditions during maturation
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What are the five (5) barrel parameters for Whisky?
- Type of oak: American or EU
- Method and drying time of oak
- How much toasting and or charring the barrels recieve
- New or Used
- If used; what liquid did it store previously
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What are the four (4) Physical Storage conditions that impact Whisky aging?
- What materials the warehouse is built with and the presence of windows
- Whether the warehouse is heated or naturally ventilated
- Single or multi-level buidling?
- Are barrels stacked or stored in a single layer?
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What is the largest influence on length of Whisky maturation in barrels?
Geographic location
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Which whiskeys require longer barrel aging, Northern European or Southern US?
Northern European
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List four (4) key reasons that the length of aging for Whisky barrels is greater in the EU:
- The climate is cooler
- Warehouses are generally single story, evening out external temperature variations
- Cool, damp environment with barrels closely stacked
- Barrels are used with saturated pores
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List four (4) key reasons that the length of aging for Whisky barrels is less in Kentucky or Tennesse than in the EU:
- The climate is warmer
- Warehouses or Rackhouses are 7-9 stories, with wide temperature fluctuations
- Barrels are NOT stacked, so there is more air circulation
- Barrels are new American oak, with very little pore saturation.
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What is the common practice for blending and bottling of whisky in the US?
Groups of barrels are disgorged into large vats and purified water is added to bring the ABV to 40%
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Name two exceptions to the standard blending technique for US Whisky:
- Single-barrel bottling
2. Cask-strength or Barrel Proof bottling
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Whisky:
Explain Single Barrel Bottling:
A selected single barrel is diluted to 40% ABV or higher and them bottled without being combined with other barrels.
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Whisky:
Explain Cask-Strength or Barrel Proof Bottling
NO water is added prior to bottling. This generally occurs in places where the alcoholic strength has already been reduced over the maturation process.
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What is Scottish Whisky called?
Scotch. It is a protected name.
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What are the laws of Scotch production?
Made from malted barley and be aged in Scotland for a minim of three years in barrel. Products must be at least 4 years old to enter the US.
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What is unique to the kilning process of Scotch?
Kilns are heated with PEAT.
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What is peat?
A compact, vegetative form of carbon or compressed biodegrading organic matter.
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What flavor does peat impart?
Smoky, slightly medicinal flavor
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Does the smoke from the peat come into contact with the grain?
Yes
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Does all Scotch have the influence of peat?
No. Though most have a mild influence of “peat reek”
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Scotch:
If some solids are left in the wort prior to fermentation, what will be the resulting flavor profile?
a more malty-flavored spirit
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Scotch:
What ABV is the wort fermented to?
7-10% ABV
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Scotch:
- What are the effects of a long fermetation:
- Whar are the effects of a short fermentation:
- Long fermentation = more congenors
2. Short fermentation = more maltiness
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Scotch:
What is the ABV for the Low Wine?
23% ABV
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Scotch:
What is the ABV for the Second Batch or New Make Spirit?
94.8% ABV or less, and depends on the distillers cut points.
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What two types of Scotch Whisky are there?
- Malt based
2. Grain based
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How is Scotch Grain-based Whisky different from Malt based? (4)
- Grain based goes through hydrolysis to convert the starches.
- Column distilled rather than copper pot distilled
- Prohibited from reaching 94.8% ABV
- Less flavorful
- Aged in new American oak barrels, less than 700 L in size
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Scotch:
What are the barrel aging requirements for malted whisky?
Placed in used barrels for a minimum of 3 years.
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What types of used barrels are selected for scotch whisky aging and why?
Bourbon, Sherry, Port, or Madiera. It helps to differentiate their product.
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What occurred in 1853 that directly shifted the Scotch Whisky industry?
Andrew Usher broadened the market by blending malt whiskies and lighter-grain whiskies, when previously all Scotch was bottled as Single Malt or Single Grain. Other firms followed suit.
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What are the four (4) reasons for Blended Scotch Whisky?
- Reduced cost
- More palatable for the general consumer
- Smoother, more distinctive product
- Uniformity of a brand
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How is “Blended Scotch Whisky” made?
Inexpensive grain whisky is made and blended with purchased single malt and single grain from a pot distillery.
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Prior to Blended Scotch Whisky who consumed Scotch?
Just the Scottish.
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What percentage of Scotch whiskey is blended today?
90%
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What is the typical composition of a Blended Scotch Whisky?
30 or more malt whiskies, with 5 or more grain whiskies. Malt whisky generally making up 20-50% of the blend.
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Define:
Single Malt Whisky
Premium product and is the result of a single distillery, produced solely with malted barley and no other grains.
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Define:
Blended Malt or Vatted Malt
100% malt whiskey blended across distilleries
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Define:
Single Grain Whisky
Produced at one distillery but uses malted and unmalted grains.
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Define:
Blended Grain Whisky
Blended 100% grain whisky
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When an age is listed on a bottle of scotch what does it refer to?
The youngest whisky component in the blend
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What are the four (4) regions of Scotch Production?
- Highlands
- Speyside
- Lowlands / Campbeltown
- Island of Islay
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What is the largest region for Scotch production in regards to geographic AND quantity of distilleries?
Highlands
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Which Scottish region is a subsection of the Highlands and is known for complex malt scotches?
Speyside
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Which Scottish whiskey region focuses on producing blends and grain whiskies that are lighter, softer, lower congener style?
What distillery is an exception to this?
Lowlands.
The Springbank Distillery produces complex Whiskys
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Which Scottish whisky region is know for producing distinct, medium to heavy peat, as well as briny, seaweed character?
Islay
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How does Irish Whiskey differ from Scotch?
- It is spelled with an e!
- Non-peated malt
- Most distillers use a combination of malted and unmalted barley in their grain recipe.
- Distinctive “leathery” flavor from the unmalted barley
- Triple Distilled
- Aged in new cooperage for a minimum of 4 years, but matured as long as 7-8 years.
Whisky/Whiskey
What Whiskey category is exclusive to Ireland and why?
Pure Pot Still Whiskey. The predominant flavor in Irish Whiskey is from the combination of malted AND unmalted barley, a single pot distillery using this signature combination can use the name to set itself apart.
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How many locations is Whiskey produced in Ireland.
3
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What was the cause of the Whiskey Excise Tax of 1791?
The Revolutionary War debt
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What case the cause of the Whiskey Rebellion and what was the effect from it?
The Whiskey Excise Tax of 1791.
Many farmers moved into the wilderness, outside federal jurisdiction, into the areas that would become Kentucky, Indiana, and Tennessee. These areas are ideal for Corn production and have limestone-filtered water.
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What did the US government do to improve the quality of whiskey produced during the 1800s?
The Bottled-in-Bond Act of 1897.
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List (4) rules of the Bottled-in-Bond Act of 1897:
- Maturing whiskey - locked (bonded) warehouse for four years;
- The product of one distillery
- From one distilling season
- Bottled at 100 proof
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List the (4) requirements for Straight Whiskey:
- a minimum of 51% of a major grain in the mash bill
- Must come off the still between 130-160 proof
- Matured in new, charred oak barrels for a min. of 2 years
- Must be bottled at 80 proof or higher.
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What are the (4) categories of Straight Whiskey and their requirements?
- Straight Bourbon Whiskey (at least 51% and less than 80% corn)
- Straight Rye Whiskey (at least 51%)
- Straight Wheat Whiskey (at least 51%)
- Straight Corn Whiskey (at least 80%)
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What are the two types of Pot Stills used for quality whiskey production, and what is the ABV it produces?
- Beer Stripper: 30 - 40% ABV
2. Spirit Still: 60-70% ABV
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Where does the name Bourbon come from?
Bourbon County, Kentucky - which was named after the Bourbon family which helped fund the war for independence.
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Where can Bourbon be produced?
Anywhere in the US.
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Bourbon:
What is the residue from the first distillation run called?
The Backset
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Bourbon:
What is the benefit of Sour Mashing and what is used?
Since the local water is alkaline in content, which interferes with the yeast, the BACKSET, which is very acidic, is added to the fermenter for the next batch.
Whisky/Whiskey
What are the classification requirements for Bourbon?
- At least 51% of mash bill is corn
- Aged in new, charred oak barrels for a minimum of 2 years
- No coloring or flavorings may be added to the spirit.
- Made in the USA.
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With the warm continental climate, does the spirit age faster or slower than its cool climate relatives?
Faster.
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How does the location in a rack house effect aging of a bourbon or whiskey?
The temperature and humidity in the rackhouses are factors of the floor level/heat and the proximity of barrels. These factors largely impact the proof, speed of aging, and flavor profiles in each barrel.
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What type of still are most bourbons produced in?
Column stills made of either copper or stainless steel.
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How is consistency achieved in US Whiskey production?
Barrel Rotation and Blending
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The Best Bourbon barrels are often separated into these (2) categories. Please define them.
- Single-Barrel Bourbon = as stated
2. Single-Batch Bourbon = a blending of the best barrels, however batch size is not currently regulated.
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Define the Lincoln County Process: What does it do?
- The process of filtering whiskey through sugar maple charcoal prior to aging. All Tennessee whiskey goes through this step.
- It removes the lighter aldehydic congeners, giving a smoother texture with fuller, more robust flavors of maple syrup and smoke.
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What distinct flavor is associated with Rye Whiskey?
A fiery, spicy note
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What are the (2) requirements in Corn Whiskey?
- Mash Bill - at least 80% corn
2. Maturation is not required, but if done, it must be in uncharred barrels.
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What distinct characteristic is associated with Corn Whiskey?
A smooth mouth-feel, and a slightly sweet corn note.
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What is the largest whiskey category internationally, but not in the US?
Blended Whiskies
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What is required in a US Blended Whisky?
It must contain no less then 20% Straight whisky on a proof gallon basis. The remainder can be light whiskey, neutral spirits and coloring, flavoring, and other blending components.
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What are the (4) Subcategories of Blended Whiskey and what are the composition requirements?
- Blended Bourbon = no less than 51% Straight Bourbon
- Blended Rye = no less than 51% Straight Rye
- Blended Wheat = no less than 51% Straight Wheat
- Blended Straight = a blend of 100% straight whiskies
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What are production requirements in a Light Whiskey?
- Distilled in a Continuous Column Still
- Higher proof (161-189)
- Usually aged in used barrels, but can be in uncharred new oak.
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If you were to order a rye whiskey what would you most likely be served?
Canadian Whisky
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How did the Canadian whisky style change and why?
Founded in the 1790s, Canadian Whisky was primarily rye and barley, and pot still produced. They transitioned to the Coffey Still and switched to corn as the primary grain to reduced costs.
The government currently takes an 83% fee per bottle.
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How long did Canada’s Prohibition last?
one year
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Can Canadian Whisky be bottled outside of the country?
Yes, it is often shipped in bulk and then bottled.
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What is the primary type of whisky produced in Canada?
Grain Whisky
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What is the requirements for Canadian Grain Whisky?
- Column distilled at 185-189 proof
2. Aged in used barrels for a minimum of three years.
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What is a flavoring whisky?
Blended with a light grain whisky to add a particular style to the resulting spirit. It is crafted like a straight rye or bourbon whisky and aged in new charred oak barrels.
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Name one significant difference in the Canadian and American Whisky laws?
Canada allows new whisky to be added to make up for any loss from evaporation during the maturation process.
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What is the typical style of a Canadian Whisky?
Soft and light. It is a light whisky.
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How much caramel coloring or additional products can be added in a Canadian Whisky?
9.09%
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What makes the Glenora Whisky distillery unique?
They produce a Single Malt Canadian Whisky (Nova Scotia) made with just malted barley and water.
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What percentage is allowed of “other components” in Canadian Whisky?
9.09%
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In India, what is the most popular spirit category and where does it rank on a global scale? Why?
- Whisky
- 3rd Place
- a large surge in the affluent populace
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Describe Whisky Production in India:
- Regulation is lax
- Most production is a mix of molasses and Grain, so it is more like rum
- Very little barrel aging, most are aged in large vats. Several states prohibit the use of barrels.
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How does the high altitude in India impact Whisky production?
The high altitude and high temperatures cause rapid evaporation - so large vats are preferable to minimize the product lost through the woods pores.
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What unique ingredient is in the Japanese Mash Bill for Whisky?
Rice
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What type of Whisky did the Japanese initially try to duplicate?
Scotch. Now they have their own style.
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Define Pure Malt Whisky (Japanese):
- A blend of malt whiskies from different distilleries owned by a SINGLE PRODUCER.
- Can be mixed with components from different types of stills.
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What is the Distillation Proof for Japanese Whiskies?
- Malt Whisky = 130 Proof
2. Lighter Whiskies = 180 Proof
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Which Muslim country allows a distillery to remain to satsify the non-Muslim minority but does not allow exportation of its product?
Pakistan
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Why must cereal grains be modified before they can be converted to alcohol?
Cereal grains contain starch but little fermentable sugar
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What are the major whisky producing countries?
Scotland, Ireland, Canada, US, Japan, India
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Where are flavors primarly derived from?
base cereal products and maturation in oak
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Where factors give distinguishing characteristics to whisky?
Distillation equipment and methods used
Choice and preparation of maturation vessels
Practices of blending and bottling
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What country changed the name from Uisebaugh to Whisky?
England
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How is the Malting Process started?
barley is soaked with water and germinated
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What is combined with the ground malt (grist) before being mashed?
Additional milled grains from the grain recipe
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True/False
Some distilleries use a cultivated proprietary yeast strain and some use a standard dry distiller’s yeast
TRUE
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When is fermentation complete?
when content changes from sweet to acidic (sour) in taste and abv is 8-14%
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What is the name of the building where distillation takes place?
a Still House
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True/False
Pot Stills require 2 distillations to bring alcohol to desired strength?
TRUE
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What is a Spirit Safe?
a device on a still that allows the passing spirit to be sampled and tested for alcohol strength
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What are the five changes that occur during aging?
- original components of the spirit interact
- Water and alcohol evaporate through the pores of the barrel.
- Air drawn into the barrel oxidizes the spirit’s components
- spirit extracts color, aroma , flavor, and tannin from the oak
- chemical, physical and extractive processes are concentrated in the decreasing volume of the whisky
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What country leads in the number of whiskey distilleries? How many do they have?
Scotland- over 100 in operation
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Who was the Kentucky County of Bourbon named after?
the French Bourbon family, who helped finance the revolutionary war
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What was the quality like of early US whiskey?
much was unaged and unpalatable. Producers would add innocuous ingredients to improve the taste.
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True/False
Since blending is now common, the terms “bonded whiskey” and “bottled-in-bond” are only given to a very few special single-barrel spirits.
TRUE
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What are the main differences between US and European Whiskey?
- US whiskies have stronger, sweeter flavor than Old World (European) because they are aged in new barrels rather than used ones.
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What are some of the other counries that have lower amounts whisky production?
Czech Republic produces malt whiskies
Turkey-steadily increasing whiskey production
Spain-one distillery produces 2 million cases/year. Fine malt, grain, and blended whiskies
Wales-one single malt distillery.
New Zealand -several successful distilleries
Tasmania-several successful distilleries
Pakistan