Level 2 Nov24 Flashcards
What is the Systematic Approach to Tasting Wine? (SAT)
Appearance
Nose
Palate
Conclusions
Elements of Appearance
Clarity
Intensity
Colour
Elements of Nose
Condition
Aroma intensity
Aroma characteristics
Primary aromas
Secondary aromas
Tertiary aromas
Elements of Palate
Sweetness
Acidity
Tannin
Alcohol
Body
Flavour intensity
Flavour characteristics
Finish
Elements of Conclusions
Quality level
Balance
Length/finish
Intensity
Complexity
Food is sweet
Negative: wine seems more drying, acidic and less sweet and fruity
Food is umami
Negative: wine seems more bitter and acidic; less sweet and fruity
Food is salty
Positive: wine seems less drying and acidic; more fruity and body
Food is acidic
Positive: wine seems less bitter and acidic; more sweet and fruity
Food is highly flavoured
Wine seems overwhelmed by the food flavour
Food is fatty/oily
Wine less acidic
Food is hot/chilli heat
Wine seems to increase the heat of the food, alcohol more noticeable
What do grape vines need
Warmth
Sunlight
Carbon dioxide
Water
Nutrients
Grape formation and ripening
Flowering: spring; clusters; self pollinating
Fruit set: small, hard, green bitter grapes
Veraison: ripen grapes start to turn colour; white grapes golden; black grapes red then purple
Ripening: swell with water; acidity falls, sugar rises; herbaceous flavours decrease; signature flavours develop
White grape ripening
Aromas and flavours change from green fruit to stone fruit to tropical fruit
Black grape ripening
Aromas and flavours change from fresh fruit to cooked fruit
Tannins become riper. If unripe, grapes can taste bitter
Concentration of grape sugars
Extra ripening: only if suitable weather-dry and warm; develop exaggerated ripe aromas & higher levels of sugar; raisining- water evaporates so both sugar and acidity rises; yield falls
Botrytis/Noble Rot
Fungus makes tiny holes in grape skin causing water to evaporate
Concentrates acids, sugars and flavour
Too much can destroy the fruit
Must be on ripe grapes
Damp morning but warm dry
afternoon
Used to make sweet wines
Frozen grapes
Healthy grapes left on vine
Winter arrives quickly
Grapes harvested when frozen on the vine
Pressed before they thaw so harvesting, etc done in middle of the night
Ice crystals and skins separated from remaining liquid when pressed
Liquid highly concentrated acids, sugars and flavours
Eiswines created but not every year
Keeping a wine fresh
Vacuum systems: rely on a pump to remove air
Inert gas: nitrogen or argon put into bottle to prevent oxygen getting to the wine
Service temp for sweet wine and example
Sauternes
Well chilled
6-8 C
Service temp for sparkling wines
Well chilled
6-10 C
Service temp for light-medium bodied white and rose
Pinot Grigio
Chilled
7-10 C
Service temp for full bodied white
Oaked Chardonnay
Lightly chilled
10-13 C
Service temp for light bodied red
Beaujolais
Room temp or lightly chilled
13-18 C
Service temp for medium and full bodied reds
Shiraz
Room temperature
15-18 C
Common wine faults
Cork taint: TCA (trichloroanisole)
Usually contaminated cork
Aromas of damp cardboard
Fruit aromas and flavours muted and appear less fresh
Failure of closure: oxygen allowed to interact with wine so wine oxidises. Wine will be browner in colour and aromas of honey, caramel or coffee. Lacks freshness and fruitiness
Some wines made to gain these characteristics after years of bottle maturation
Heat damage: too hot, direct sunlight or bright artificial light will damage wine. Wine will lose freshness and lack fruit characters
Average temps for growing season temperatures
Cool: 16.5c or below
Chardonnay
Moderate: 16.5-18.5C
Chardonnay
Warm: 18.5-21C
Grenache
Impacts of latitude and altitude
Closer to equator, hotter region likely to be
Most vineyards between 30-50 north or south
Temps drop with altitude
Impacts of seas and rivers
Warm climates close to the sea will benefit from moderating influences of cold currents (South Africa) or warm currents (Northern Europe)
Rivers: in autumn will be warmer than surrounding land so provide warmth in cooler regions, preventing frosts and extending the ripening period
Can also reflect sunlight that help grapes ripen
Impacts of air
Cool air from seas and mountains: moderating affect on climate
Cold air from mountains: moving down mountain to lower altitudes at night, cooling down warmer vineyards
Impacts of cloud, fog and mist
Clouds can block sunlight so grapes take longer to ripen
Ie Australia
Fog at ground level will cool down vineyards and can provide a moderating influence. Ie California and chile
Mist: dense fog. When it forms near rivers during the morning in autumn are essential for the development of botrytis/noble rot
Impacts of mountains
They act as a barrier, sheltering vineyards from clouds, rain and cold winds
Sunny summers, dry autumns and an extended growing season
Impacts of slope and aspect
When further away from equator, if vineyard planted on slope facing equator, it’ll receive more heat and light
Produce riper grapes than those on flat land or slopes facing away from equator
Impacts of soil
Provides water and nutrients
It must be able to store enough moisture and nutrients
It can also affect the temp of the vineyard
Stoney soil can absorb heat and make vineyard warmer
Weather and cool vintages
If temp in growing season colder than usual and less sunshine, the grapes may struggle to ripen so acid levels too high and sugar too low
May also struggle to develop signature aromas
Weather and hot vintages
If temps hotter during growing season: develop uncharacteristic dried fruit aromas
Sunburn
Could struggle to ripen due to lower levels of rainfall
Vines can die
Affects of drought
Unable to ripen grapes
Vines could die
Affects of too much rain
Increase chance of fungal diseases spreading
Can cause grapes to swell, diluting their flavour
Affects of hail
Damage vines and grapes
Can destroy entire crops if heavy
Affects of frost
If happen in spring, can damage the vines new growth which reduces the volume of grapes grown
Growing grapes
Training & pruning: trained on trellises, pruned over winter while dormant
Irrigation: from flooding fields to systems watering individual plants but is an expensive resource
Managing weeds, pests and diseases: fungal diseases can impact yields and grape quality
Insects and larger pests and weeds hard to control so may use chemicals
Chemicals pose longer term issues: if classified as organic then grapes must not have chemicals used on them (some exceptions for worst fungal diseases)
Yields of vineyards
If too high: grapes flavour could be diluted
If too low: not commercially viable to produce wine
Some regions set maximum yield amounts
Grape harvesting
Earlier in ripening process: lower sugar levels, higher acid levels and less ripe flavours
Later harvesting: grapes start to shrivel, concentrates sugars and can develop raisin and dried fruit flavours
Geographical Indications (GIs)
Legally defined vineyard area
Can be an entire region/country or no more than a single vineyard
Country of origin usually legally required but not necessarily be a GI
GIs outside EU
Indicate where the grapes are grown
Free to grow whatever grapes with few restrictions
Styles of wines varied
GIs inside the EU
Indicate where grapes are grown
AND
usually regulate what type of grapes are grown and how wine is made
Protected Designation of Origin (PDO)
Relatively small areas
Tightly defined regulations
France: AOP appellation d’origine protege
AOC Appelation d’origine controlee
Italy: DOC
DOCG
Spain: DO
DOCa
Germany: Qualitatswein
Pradikatswein
Protected Geographical Indication (PGI)
Cover wider areas than PDOs
Fewer restrictions
Varied wine styles allowed
Different traditional labelling terms
France: IGP
Italy: IGT
Spain: vino de la tierra
Germany: Landwein
Label: Vine Age
Older vines results in lower yields of higher quality (more concentrated and complex aromas)
What does “Vintage” mean on label
The year in which the grapes are harvested
Vintage date can also guide as to whether wine will be different in style due to any weather variations in that year
What is meant by “Late Harvest” on label
Grapes have been left on the vine and picked much later.
Grapes will have riper flavours and higher sugar levels
Fuller bodied, more concentrated in style
What is botrytis/Noble Rot
Grapes intentionally infected that leads to grapes having higher levels of sugar and acid
Almost always used for sweet wines
What is icewine/eiswein
Grapes left on the vine to freeze prior to harvesting
Water in grapes remains frozen when pressed
Grape juice therefore higher concentrations of sugar and acid
Usually used to make sweet wines
Process of making dry red wines
Crushing
Alcoholic fermentation
Draining (skins drained off)
Pressing
Storage/maturation
Packaging
How is colour and tannins extracted in red wine process
Heat from yeast fermentation helps extract but not enough
Grape skins (cap) must be mixed regularly
What are the 2 methods for extracting colour and tannins
Punching down: plunger pushes down the cap into the liquid
Pumping over: liquid from bottom of the vessel is pumped up through a hose& sprayed over the cap
Process for making dry rosé
Short maceration: fermentation same as red wine but wine drained from the skins after a few hours. Fermentation then continues at white winemaking temps
Blending: blending of red wine with white. Not allowed in much of Europe
Process for making dry white wines
Crushing
Pressing
(Skins discarded here so no colour in juice)
Alcoholic fermentation
Storage/maturation
Packaging
Making sweet wines
Concentrated grape sugars: such high levels of sugar, the yeast is unable to eat it all. What’s left called residual sugar
Removing the yeast: filters used to remove yeast from fermenting vessel. Ie California white Zinfandel
Killing the yeast: by adding alcohol to the fermenting juice.
Called fortification that raises alcohol level to 15-20% which kills the yeast before all sugars eaten. Ie port from Portugal
Adding sweetness to a dry wine: sugar (from grapes) added to the wine. Sometimes unfermented grape juice or juice with highly concentrated sugar levels
How can winemaker adjust low sugar levels
Cool climates/vintages can mean low sugar levels. This means low alcohol and lacking in body
Increase sugar levels in grape juice so alcohol labels higher
How can winemaker adjust low/high acid levels
Warm climates where acid levels v low during ripening
Wines will be unbalanced so acid added to bring balance
Cool climates where acid levels too high. Neutralise acid to bring wine into balance
Fermentation temp for red wine
Typically higher temps
20-32 C
Needed to extract colour and tannins from skins
Fermentation temps for rosé
Short maceration, then temps similar to white (12-22C)
Fermentation temps of white wine
12-20 C
At lower end of range will produce notably fruity aromas
Stainless steel/concrete vessels
Used for both fermentation and STORAGE
Inert so will not add any flavours to wine
Can be made airtight so oxygen can’t get in to alter the flavour
Oak vessels
Used for fermentation and storage
Mostly oak
Adds flavour directly to wine
Allows flavours to evolve due to oxygen interacting with wine
Toasting of wood-impacts how much oak flavour imparted
Produces sweet-spice and charred wood aromas/flavours
Oak barrels
Adds oak flavours
Age and size of barrel influences amount of flavour
New: adds a lot of flavour
Vanilla, coconut, charred wood and spice
Used barrels: less flavour than new
Watertight but not airtight
Oxygen interaction during maturation: caramel, dried fruit, nuts
Tannins soften with oxygen exposure
Small barrels: changes happen more quickly as more surface of wine exposed to the oak
Large barrels rarely used to give oak flavours
Alternatives to using oak vessels
Malolactic conversion: after fermentation by bacteria. Lowers acidity, gives buttery flavours
White wines may/may not utilise this-especially aromatic wines like Riesling
Lees: after fermentation, yeast dies (dead cells called lees) and falls to bottom of vessel. If stir lees up during maturation this will increase the body and add biscuity/bread flavours
Blending: maintains consistency in wines style across vintages
Can add complexity
Clarification: expectation of wine to be clear so can filter wine
What happens when white wine when matured in the bottle
Colour changes from lemon to gold to amber
Intensity of colour deepens
Tertiary characteristics develop at this stage: dried apricot, honey, nut and spice
What happens to red wine during maturation in a bottle
Colour changes from ruby to garnet to tawny and eventually brown
Colour becomes paler in intensity
Tannins smoother and softer
Tertiary characteristics: fig, prune, meat and wet leaves
Requirements for maturation in bottle
Most wines won’t improve
Fruit flavours can fade and become vegetal
Should be high concentration of flavours that can positively evolve
Ie: fresh fruit to dried fruit, complexity of flavours such as mushrooms and leather
Pinot Noir characteristics
Black grape
Easy cultivation
Fruity, refreshing and enjoyable when young
Can develop complexity with long (years) maturation
Cool to moderate regions
If too warm, lose fresh fruit or taste cooked
Prone to rot and disease
Usually single varietal, except for sparkling wines
Matured in (older) oak usually
Tertiary flavours of forest floor, mushrooms
Pinot Noir regions
Burgundy home of Pinot noir
Cool to moderate region
South, south east facing slopes best
Specific region Côte d’Or : cote de nuits and cote de beaune
Pinot Noir Bourgogne AOC
Typically light to medium bodied
Low tannins
High acidity
Fresh red fruit flavours
To be drunk young
High prices
Pinot Noir Village wines (Gevrey-Chambertin AOC, Nuit-Saint-Georges AOC, Beaune AOC, Pommard AOC)
Usually situated on favourably aspected slopes with well draining soil
More flavour intensity, complexity and length of finish
Pinot Noir Premier Cru and Grand Cru
Most complex and intense
South/southeast facing slopes vineyards
Concentrated fruit favours-strawberries, cherries
Subtle oak aromas-smoke, cloves, vanilla
Tertiary flavours-forest floor, mushrooms
Grand cru best of best and pricey
Pinot Noir USA California
Ccoastal areas with morning fog but warm afternoons (northern cali-Los Carneros) or cooling coastal breezes (Sonoma, Santa Barbara county)
Tend to have ripe red fruit flavour and notable oak flavours of smoke, cloves and vanilla
Will develop tertiary flavours in bottle maturation
Pinot Noir USA Oregon
Cooler than cali
Ideal for PN growing
Complex fresh red fruit flavour, subtle oak but can develop tertiary flavours in bottle
Pinot Noir Chile
Casablanca valley-cooled by sea breezes and morning fogs
Red fruits-strawberries and sometimes herbal notes
Excellent value for money
Pinot Noir South Africa
Coastal regions-walker Bay
Vibrant red fruit
Very good to outstanding quality
Pinot Noir Australia
Yarra Valley
Mornington Peninsula: cool enough for PN
Vary from light and fragrant to riper cooked fruit (red plum, strawberry) with medium tannins
Pinot Noir New Zealand
Premier black grape variety
Martinborough and Marlborough have good to outstanding quality PNs
Central Otago-ripest and most powerfully flavoured PNs
Intensely sunny days, cool nights
Pronounced fruit flavours(strawberry, red cherry)
Medium to full body
Medium tannins
Matured in oak, can take years to reach full potential