Geoff Kruth Article - Guild somm Flashcards

1
Q

Examples of Lactone aromas?

A

Vanilla

Hazelnut

Coconut

Caramel

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2
Q

Examples of Rotundone aromas?

A

Peppercorn

Basil

Rosemary

Thyme

Oregano

Marjoram

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3
Q

Examples of Spice driven Thiols?

A

Smoky

Coffee

Meaty

Skunk

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4
Q

Examples of Botrytis aromas?

A

Saffron

Chamomile

Ginger

Marmalade

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5
Q

Examples of earthy Geosmin aromas?

A

Mushroom

Soil

Fresh Rain

Beet

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6
Q

Examples of Brettanomyces aromas?

A

Horse

Bandaid

Clove

Bacon

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7
Q

Examples of earthy sulfur compounds?

A

Chalk

Wet wool

Metalic

Flint

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8
Q

Examples of earthy Volatile acidity aromas?

A

Pickles

Balsamic

Kombucha

Sauerkraut

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9
Q

Examples of Ester aromas?

A

Fruity….

Banana

Apple

White flowers

Strawberry

Raspberry

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10
Q

Examples of Terpene aromas?

A

Pungently floral….

Lychee

Rose

Orange Oil

Lavander

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11
Q

Examples of Pyrazine aromas?

A

Pungently herbal….

Bell Pepper

Grass

Elderflower

Peas

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12
Q

Examples of fruity Thiol aromas?

A

Pungently fruity….

Grapefruit

Passionfruit

Blackcurrant

Gooseberry

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13
Q

Where do Ester aromas come from?

A

Yeasts

Fermentation

Fermentation temperatures

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14
Q

What other common fruity aromas family is it easy to confuse with esters?

A

Terpenes

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15
Q

What grapes show Terpene driven fruit aromas?

A

Gewurztraminer

Muscat

Torrontes

Viogner

Sometimes - Riesling and Albarino

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16
Q

What winemaking technique is frequently confused with Pyrazines?

A

Stem inclucion.

think about Syrah with its olive aromas

17
Q

What winemaking technique is frequently confused with Pyrazines?

A

Stem inclucion.

18
Q

What grapes commonly have pyrazine aromas?

A

Cabernet Sauvignon

Cabernet Franc

Merlot

Carmenere

Sauvignon Blanc

19
Q

What grapes variety(s) are associated with fruity Thiol aromas?

A

Sauvignon Blanc

Gruner Veltliner

20
Q

What is Geosmin?

A

An organic compound commonly associated with earthy aromas?

A Bacteria - major reason for the smell of wet rocks as the compound is volatized into the air.

Compounds are deposited directly onto the grape skins

21
Q

What is Brettanomyces?

A

A spoilage yeasts naturally occurring and frequently found in a winery

22
Q

What is Volatile acidity?

A

byproduct of microbial metabolism.

Acetic acid bacteria creates Acetic acid - the most common form of VA

It requires oxygen to grow

23
Q

What two wines commonly display Volatile acidity aromas?

A

Barolo

Rioja

Positive stylistic note in the previous classic wines

24
Q

How does a winemaker prevent VA?

A

Reductive environments (no oxygen)

SO2 applications

limits its presence

25
Q

What encourages sulfur earth aromas in a wine?

A

low nutrient environment

high acid wines

often described as chalky or flinty

complex chemical interactions

26
Q

What wines have earthy sulfur aromas?

A

Chablis

Sancerre

German Riesling

Champagne

27
Q

What are four families of Spicy aromas?

A

Botrytis

Lactone

Thiols

Rotundone

28
Q

What are four Fruity, Flower, Herb categories?

A

Esters - fruity

Terpenes - pungently floral / fruity

Pyrazine - pungently herbal

Fruity Thiols - concentrated citrus / tropical

29
Q

What are four Earthy categories of aromas?

A

Geosmin

Brettanomyces

Sulfur compounds

Volatile acidity

30
Q

Where do lactone esters come from?

A

Oak aging

31
Q

Where do Rotundone aromas come from?

A

Essential oils…of peppercorns and culinary herbs such as

Basil

Thyme

32
Q

What 2 grapes are most likely to have Rotundone aromas?

A

Syrah

Gruner Veltliner

sometimes Mouvedre

33
Q

How can winemakers control Rotundone aromas?

A

Filtration may limit their intensity

34
Q

What major winemaking regions commonly produce wines with botrytis aromas?

A

Alsace

Loire River Valley

Germany

Austria

Tokaji

35
Q

A recent tasting mistake regarding VA?

A

Called pickles, when I returned to the wine I got bell peppers.