Wine & Bar Essay
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“Anyone who tries to make you believe that he knows all about wines is obviously a fake.” – Leon Adams
Terroir, Viticulture & Vinification
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LEARNING OUTCOMES
§ Review of the last topic
§ Understand the fundamentals of Terroir, Viticulture and
Vinification and what needs to be take in consideration.
§ Know the major wine grapes
§ Understand the alcoholic fermentation
§ Understand the Winemaker considerations and the
factors that affect the cost
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WHAT FACTORS AFFECT WINE STYLE, QUALITY & PRICE?
Natural Factors
• The grape
• The climate
• The weather
• The soil
Human Factors
• The viticulture
• The vinification
• Wine aging & storing
• Market force
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WHAT IS TERROIR ?
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WHAT IS VITICULTURE?
• It is the science and study of grape growing and production.
• It deals with the series of events and conditions that occur in the vineyard.
(WSET, 2019)
Why lakes, seas and rivers help to produce great wine ?
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GRAPE (VITIS) TYPES
= Vitis Vinifera= Vitis
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GRAPE ANATOMY
Stalks • Green Tannins
Pips • Bitter Oils
• Green Tannins
Pulp • Proteins • Fruit Acids • Water • Sugars/acidity
Skin • Color • Flavour • Tannins • Aroma
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MAJOR VITIS VINIFERA VARIETIES
White Wine Grapes 1. Riesling
2. Sauvignon Blanc
3. Gewürztraminer
4. Chardonnay
5. Chenin Blanc
6. Pinot Gris
7. Viogner
8. Chasselas (Swiss)
Red Wine Grapes 1. Pinot Noir
2. Cabernet Sauvignon 3. Merlot
4. Syrah/Shiraz
5. Grenache
6. Nebiolio
7. Sangiovese
8. Tempranillo
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WHAT GRAPES NEED FOR GROWING?
• Sun • Reflect from
soil• CO2 • Atmosphere • Sun
• Reflect from water
• Rainfall • Irrigation • Water store in soil
oxygen
Photosynthesis • Leaf combine CO2 + Water
to produce glucose + O2
nutriments • Soil particles • Humus • Fertiliser
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CLIMATE CLASSIFICATION
cool currents warm currents
50°N
30°N
50°S
30°S
• 3 Types of climate : 1) Continental ; 2) Oceanic; 3) Mediterranean
• 4 Temperatures climate zone : 1) Cold (L 16.5°C); 2) Tempered (16.5°C to 18.5°C); 3) Warm (18.5°C to 21°C); 4) Hot (M 21° C)
Gulf Stream California Current
Humboldt Current
Benguela Current
West Australian Current
East Australian Current
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WHEN TO HARVEST THE GRAPES?
In the North- Hemisphere
• In Warmer climate, short growing seasons (ie California,
USA), harvest time end of August to beginning of September
• In Moderate to Cooler climate, longer growing seasons (ie
Burgundy, Center of France), harvest Mid-September
• In Cooler Climate, or for sweet wine, more longer growing
seasons (ie Germany), harvest time October, November,
even beginning December (Ice Wine)
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FACTORS THAT AFFECT THE CULTURE
8) Water impact
6) Soil impact
7) Orientation impact
2) Altitude impact
1)Latitude impact
5) Slop impact
3) Air impact 4) Diurnal impact
9) Environmental: soil, fog & mist impact
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§ less alcohol § lighter body
§ less tannin § more acidityCool climate
Warm hot climate
CLIMATE IMPACTS ON WINE
A climate represent the average weather conditions to be expected in a typical year.
§ more alcohol § fuller body
§ more tannin § less acidity
Moderate climate
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Are the temperature, rainfall, sunshine experienced in a specific year and the risks are:
WEATHER THREATS CONDITIONS
RAIN
HAIL
TEMPERATURE WIND
FROST
Weather hazards (+ or -):
The vineyard at a temperature above +35°C goes in stasis, at -10° C it go into dormancy and if it goes below -20°C it can die.
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MAJOR VINEYARD THREATS
Vineyard Pests & Disease are : • Phylloxera – attacks the roots of the vines
• Nematodes
• Birds
• Insects
• Animals • Downy Mildew • Odium
www.dpi.nsw.gov.au
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A + or – Disease the Rot is: A greyish powdery mould which causes a number of plant diseases and is deliberately cultivated (as noble rot) on the grapes used for certain wines.
www.winefolly.com
MAJOR VINEYARD THREATS
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THE SOIL
• ASPECT
• STONES
• DRAINAGE
• NUTRIENTS
• TASTE IMPACT
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VINEYARD GROWING ACTIVITIES
§ Vineyard cut & care
§ Space yields
§ Pest and disease control
§ Harvest time
§ Irrigation
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THE VINIFICATION
Is the production of wine, starting with the selection of the grapes and ending with bottling the finished wine.
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WINEMAKING ALCOHOL FERMENTATION PROCESS
• Sugars are provided by the ripe grapes. • Yeasts are either naturally present on the skin or are added by
the wine maker. • The alcohol stays in the wine. • Carbon dioxide gas escapes into the atmosphere. • Over 15% of Alcohol the yeast can die. • The fermentation process can only start if the temperature +5°C. • Above 35°C the yeast die.
HeatLiquid
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DEFINITION OF WHAT WINE IS?
• Is the result of the fermentation of grape or fruit juice.
• Is normally holds between 8-15% alcohol.
• Is containing water & nutriments.
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• White Wine: Only the juice is used so no tannins or colour. White, red &
black grapes can be used.
• Red Wine: Juice is kept in contact with skins (pumping over) during
fermentation to give colour and add tannin (Maceration).
• Rose Wine: Time spent in contact with skin is shorter, so is lighter in
colour.
DIFFERENT WINES’ COLOR
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MATURATION
BOTTLING
CRUSHING
PRESSING
FERMENTATION
WHITE WINE MAKING PROCESS
WHITE WINE
BOTTLING
MATURATION
FERMENTATION
SKINS
JUICE
PRESSING
CRUSHING
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BOTTLING
PRESSING BLENDING
CRUSHING
Red and Rosé Wine Making Process
ROSÉ WINERED WINE
BOTTLING
BLENDING
MATURATION
SKINS
PRESS WINE
ROSÉ WINE
FREE RUN WINE
PRESSING
FERMENTATION
CRUSHING
MATURATION
FERMENTATION
Punching down
Pumping over
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Without Oxygen § stainless steel § glass bottle
DIFFERENT TYPE OF MATURATION 1
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DIFFERENT TYPE OF MATURATION 2
With Oxygen oak § barrels § staves § chips
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DIFFERENT STYLE OF WINES
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DIFFERENT TYPES OF WINES
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DIFFERENT STYLES OF WINES
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WINEMAKER CONSIDERATIONS
• Extansive grape varieties
• Single varietal or blends
• Terroir & climate impact on the grape
• What style and philosophy
• Region regualtion & label
• Cost
• Quantity
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FACTORS AFFECTING THE COST
Vineyard • land, labour, machinery
Winery • equipment, oak, storage
Packaging, Distribution and Sale • exchange rates • packaging • transport • taxes and levies
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Cheers – Eh Santé !
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