Geoff Kruth Article - Guild somm Flashcards
Examples of Lactone aromas?
Vanilla
Hazelnut
Coconut
Caramel
Examples of Rotundone aromas?
Peppercorn
Basil
Rosemary
Thyme
Oregano
Marjoram
Examples of Spice driven Thiols?
Smoky
Coffee
Meaty
Skunk
Examples of Botrytis aromas?
Saffron
Chamomile
Ginger
Marmalade
Examples of earthy Geosmin aromas?
Mushroom
Soil
Fresh Rain
Beet
Examples of Brettanomyces aromas?
Horse
Bandaid
Clove
Bacon
Examples of earthy sulfur compounds?
Chalk
Wet wool
Metalic
Flint
Examples of earthy Volatile acidity aromas?
Pickles
Balsamic
Kombucha
Sauerkraut
Examples of Ester aromas?
Fruity….
Banana
Apple
White flowers
Strawberry
Raspberry
Examples of Terpene aromas?
Pungently floral….
Lychee
Rose
Orange Oil
Lavander
Examples of Pyrazine aromas?
Pungently herbal….
Bell Pepper
Grass
Elderflower
Peas
Examples of fruity Thiol aromas?
Pungently fruity….
Grapefruit
Passionfruit
Blackcurrant
Gooseberry
Where do Ester aromas come from?
Yeasts
Fermentation
Fermentation temperatures
What other common fruity aromas family is it easy to confuse with esters?
Terpenes
What grapes show Terpene driven fruit aromas?
Gewurztraminer
Muscat
Torrontes
Viogner
Sometimes - Riesling and Albarino
What winemaking technique is frequently confused with Pyrazines?
Stem inclucion.
think about Syrah with its olive aromas
What winemaking technique is frequently confused with Pyrazines?
Stem inclucion.
What grapes commonly have pyrazine aromas?
Cabernet Sauvignon
Cabernet Franc
Merlot
Carmenere
Sauvignon Blanc
What grapes variety(s) are associated with fruity Thiol aromas?
Sauvignon Blanc
Gruner Veltliner
What is Geosmin?
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
What is Brettanomyces?
A spoilage yeasts naturally occurring and frequently found in a winery
What is Volatile acidity?
byproduct of microbial metabolism.
Acetic acid bacteria creates Acetic acid - the most common form of VA
It requires oxygen to grow
What two wines commonly display Volatile acidity aromas?
Barolo
Rioja
Positive stylistic note in the previous classic wines
How does a winemaker prevent VA?
Reductive environments (no oxygen)
SO2 applications
limits its presence
What encourages sulfur earth aromas in a wine?
low nutrient environment
high acid wines
often described as chalky or flinty
complex chemical interactions
What wines have earthy sulfur aromas?
Chablis
Sancerre
German Riesling
Champagne
What are four families of Spicy aromas?
Botrytis
Lactone
Thiols
Rotundone
What are four Fruity, Flower, Herb categories?
Esters - fruity
Terpenes - pungently floral / fruity
Pyrazine - pungently herbal
Fruity Thiols - concentrated citrus / tropical
What are four Earthy categories of aromas?
Geosmin
Brettanomyces
Sulfur compounds
Volatile acidity
Where do lactone esters come from?
Oak aging
Where do Rotundone aromas come from?
Essential oils…of peppercorns and culinary herbs such as
Basil
Thyme
What 2 grapes are most likely to have Rotundone aromas?
Syrah
Gruner Veltliner
sometimes Mouvedre
How can winemakers control Rotundone aromas?
Filtration may limit their intensity
What major winemaking regions commonly produce wines with botrytis aromas?
Alsace
Loire River Valley
Germany
Austria
Tokaji
A recent tasting mistake regarding VA?
Called pickles, when I returned to the wine I got bell peppers.