Wine and Spirits Flashcards
Origin of alcohol
8,000-10,000 years ago.
What do you need to make wine
- Complex carbs
- Water
- Vessel (kvevri)
Origin of cultivation of grains for beer
Fertile Crescent/Cradle of Civilisation
First recorded brewers
Sumerians (3000 BC)
Vitis Vinifera domestication
~7000 years ago
Vitis Vinifera climate
Temperate, non-humid, warm.
Well drainage soil.
Wild yeast pros
- Complex flavours
- ‘Natural’
Wild yeast cons
- Unpredictable
- Stuck fermentation
Cultured yeast pros
- Predictable
- Fast
- Known flavours
Cultured yeast cons
- ‘Industrial’
- Commercial and mainstream
Basic wine styles
Sparkling (CO2):
- 11.5-12.5% ABV
Table:
- 11.5-14.5% ABV
Fortified (ethanol added):
- 18.5-20% ABV
Flavoured (not 100% grape):
- 15.5-18.5% ABV
Distillation
- Concentration of base liquid through evaporation.
- 70% ABV (~40-43% after dilution).
Types of stills
- Pot still
- batch process
- Higher quality spirits - Column still
- continuous process
- lower quality.
Dark spirits
- Aged/matured in cask
- ‘Harsh’/undesirable compounds lost through evaporation (ANGELS SHARE)
Origins of sparkling
- 1500-1600s
- First intentional sparkling wine credited to Dom Perignon.
Steps of producing sparkling wine
- Harvest
- Earlier harvest to retain acidity - Light press
- Cuveé - Free Run Juice - Primary ferment
- Production of base wine
- lower alcohol (9-11% ABV) - Carbonation/secondary fermentation individual methods.
Carbonation
- Injection of CO2 directly into tank
- Lower quality wines
- ~ 3atm
Tank method/Charmat method
- Add extra yeast and sugar to tank to initiate secondary fermentation.
- Transferred to bottles under high pressure.
- ~2-4 atm
Ancestral method/Pet Nat
- only one fermentation (wine bottled before primary fermentation finishes).
- rarely riddled and disgorged.
- Cloudy (lees remain in bottle)
- ~2-4 atm
Methode Traditional/Methode Champenoise
- ~5-7 atm
- Tank method but on bottle scale (base wines blended into bottle, yeast and sugar added).
- 1-3 years min aging
1. Blend
2. Secondary ferment
3. Riddling
4. Disgorgement
5. Dosage
6. Finishing (ie. corking, labelling, etc).
Transfer method
Same method as traditionale, but post 2nd ferment sparkling transferred to pressurised tank.
Disgorgement
Pressurised removal of lees by rapid freezing of bottle neck.
Dosage
sugar and wine top up of sparkling after disgorgement.
Tirage
sugar and yeast mixture added prior to secondary fermentation.