Winemaking

Techniques and philosophy that transform grapes into wine.

190 articles

Methods, step by step

51 winemaking and maturation methods as ordered steps, each read from the article that defines it, with the winemaker's choice, duration, linked terms, variants and the sentence behind every step. Data: index feed.

Sparkling

  1. Ancestral method (pet-nat)6 steps1 Monitor fermentation before bottling · 2 Slow fermentation with cold · 3 Racking or light filtration · …
  2. Carbonation (injected CO2)3 steps1 Start from a base wine · 2 Chill the wine · 3 Inject carbon dioxide
  3. Tank method (Charmat)4 steps1 Base wine into autoclave · 2 Second fermentation in sealed tank · 3 Racking and chilling · …
  4. Traditional method8 steps1 Assemblage of base wines · 2 Tirage and bottling · 3 Prise de mousse (secondary fermentation) · …
  5. Transfer method8 steps1 Blending and liqueur de tirage · 2 Secondary fermentation in bottle · 3 Lees aging in bottle · …

Fermentation

  1. Barrel fermentation5 steps1 Transfer juice to barrels · 2 Active fermentation in barrel · 3 Passive micro-oxygenation · …
  2. Carbonic maceration5 steps1 Vatting of intact clusters · 2 Maceration-fermentation inside berries · 3 Liquid-phase yeast fermentation · …
  3. Co-inoculation5 steps1 SO2 management at crush · 2 Inoculate must with yeast · 3 Add O. oeni cultures · …
  4. Cold soak4 steps1 Crush and load chilled tanks · 2 Cover and gas blanket · 3 SO2 addition at crush · …
  5. Malolactic conversion7 steps1 Decide to promote or block · 2 Timing after alcoholic fermentation · 3 Inoculate with O. oeni · …
  6. Qvevri fermentation5 steps1 Cleaning the qvevri · 2 Filling with chacha · 3 Spontaneous wild yeast fermentation · …
  7. Semi-carbonic maceration7 steps1 Hand harvest intact bunches · 2 Load whole clusters into vessel · 3 Bottom grapes ferment conventionally · …
  8. Skin-contact white (orange wine)3 steps1 Stir in the qvevri · 2 Seal and macerate · 3 Draw off in spring
  9. Still winemaking (grape to glass)9 steps1 Harvest · 2 Sort, destem, crush · 3 Press or keep skins · …
  10. Whole-bunch fermentation5 steps1 Load intact clusters whole · 2 Intracellular fermentation in CO2 atmosphere · 3 Modified autofermentation of submerged berries · …

Maceration and pressing

  1. Direct-press rose5 steps1 Night harvest · 2 Slow gentle press cycle · 3 Cold settling under inert gas · …
  2. Extended maceration6 steps1 Prolong skin contact after fermentation · 2 Protect wine from oxidation · 3 Periodic cap management · …
  3. Foot treading in lagares3 steps1 Corte (cut) · 2 Liberdade (liberty) · 3 Punching down with macacos
  4. Saignee4 steps1 Crush and begin maceration · 2 Bleed juice from tank · 3 Ferment concentrated red must · …
  5. Short-maceration rose7 steps1 Load crushed grapes into vessels · 2 Skin contact maceration · 3 Monitor colour development · …

Maturation

  1. Amphora ageing6 steps1 Make and line the qvevri · 2 Bury vessel in marani · 3 Ferment on skins in qvevri · …
  2. Batonnage4 steps1 Age wine on fine lees · 2 Stir lees back into suspension · 3 Set stirring frequency · …
  3. Concrete egg ageing4 steps1 Micro-oxidation through walls · 2 Convection during fermentation · 3 Natural lees suspension · …
  4. Lees ageing (sur lie)5 steps1 Lees settle after fermentation · 2 Remove gross lees promptly · 3 Autolysis and compound release · …
  5. Micro-oxygenation6 steps1 Install diffuser in tank · 2 Set dosage rate and timing · 3 Control temperature and SO2 · …
  6. Perpetual reserve4 steps1 Establish perpetual reserve cuve · 2 Annual draw-off of reserve · 3 Use drawn wine in current blend · …
  7. Racking4 steps1 First racking after pressing · 2 Post-MLF racking · 3 Additional rackings during barrel aging · …
  8. Vin Jaune oxidative ageing (sous voile)7 steps1 Late harvest of Savagnin · 2 Fermentation and malolactic fermentation · 3 Transfer to used oak barrels · …

Fortified

  1. Biological ageing under flor8 steps1 Ferment Palomino to dryness · 2 Fortify to 15% ABV · 3 Fill botas five-sixths full · …
  2. Madeira estufagem and canteiro6 steps1 Fermentation after harvest · 2 Fortification with grape spirit · 3 Direct base wine to method · …
  3. Marsala fortification (in perpetuum)6 steps1 Dry base fermentation · 2 Post-fermentation fortification · 3 Adding the concia · …
  4. Oxidative ageing without flor8 steps1 Fortification above flor threshold · 2 Butts not filled to the top · 3 Acetaldehyde accumulation · …
  5. Port fortification6 steps1 Monitor parcel sugar levels · 2 Source aguardente at 77% ABV · 3 Time addition mid-fermentation · …
  6. Sherry fortification and ageing pathways5 steps1 Ferment base wine dry · 2 Fortify with grape spirit · 3 Flor veil forms · …
  7. Sherry solera6 steps1 Multi-tiered barrel arrangement · 2 Fill butts leaving headspace · 3 Saca from the solera · …
  8. Vin doux naturel (mutage)6 steps1 Partial fermentation of ripe fruit · 2 Timing the mutage · 3 Mutage with neutral grape spirit · …

Sweet

  1. Appassimento7 steps1 Select fruit for appassimento · 2 Lay or hang bunches in fruttai · 3 Dry grapes to weight loss · …
  2. Arrested fermentation4 steps1 Partial alcoholic fermentation · 2 Chill the ferment · 3 Filter out the yeast · …
  3. Botrytis selection3 steps1 Monitor weather and sugar · 2 Noble rot concentrates berries · 3 Handle each portion separately
  4. Cryoextraction4 steps1 Mechanical freezing of harvested grapes · 2 Timing of the freeze · 3 Pressing while partially frozen · …
  5. Governo4 steps1 Set aside part of harvest · 2 Partial drying of grapes · 3 Base wine completes primary fermentation · …
  6. Ice wine6 steps1 Register vineyard plots · 2 Leave grapes on the vine · 3 Wait for sustained freeze · …
  7. Late harvest5 steps1 Leave grapes on the vine · 2 Dehydration on the vine · 3 Noble rot development · …
  8. Tokaji Aszu7 steps1 Selective berry picking · 2 Hand-pick botrytized berries · 3 Crush berries into paste · …
  9. Vin de paille6 steps1 Hand-harvest healthy grapes · 2 Drying on straw or racks · 3 Pressing the dried grapes · …

Style

  1. Rancio3 steps1 High fortification · 2 Partially fill oxidative vessels · 3 Prolonged oxidative aging

Finishing and adjustment

  1. Acidification5 steps1 Identify acidity deficiency · 2 Bench trials on samples · 3 Dissolve and blend into tank · …
  2. Bottling8 steps1 Adjust gases · 2 Filter in-line · 3 Rinse the bottles · …
  3. Chaptalization5 steps1 Dissolve sugar into must portion · 2 Blend syrup back into tank · 3 Apply standard working ratio · …
  4. De-acidification5 steps1 Bench trials before bulk addition · 2 Treat at must stage · 3 Calcium carbonate addition · …
  5. Fining6 steps1 Bench-scale fining trials · 2 Select agent and dosage · 3 Add agent to juice or wine · …
Overview4
Harvest & Sorting14
Fermentation32
Maceration & Extraction15
Aging & Maturation47
Acacia / False Acacia Barrels (Near-Neutral; Honey and Floral Notes)Air Drying of Oak Staves (18–36 months) vs. Kiln DryingAllier Forest (France) — Tight Grain, Subtle Spice, and Vanilla; a Premier Wine-Barrel OakAmphora / Qvevri / Tinajas / Dolium (Clay Vessel Winemaking — Georgia, Spain, Italy)Barrel Toasting Levels — Light, Medium, Medium+, and Heavy ToastBarrique (225L — Bordeaux Standard)BâtonnageBotte Grande vs Tonneau MaturationBotti (Large Italian Oak Casks — Traditional Aging in Barolo and Brunello)Chestnut Barrels (Historic Use — Vinho Verde, Corsica, Central Italy)Concrete Tank and Vat AgingDemi-Muid — 600L Oak Vessel; Rhône Valley Staple; Moderate Oak InfluenceEastern European Oak — Hungarian (Zempléni) & SlavonianEugenol — Clove and Spice CompoundExtended Lees Contact in Champagne (15+ Months NV, 3+ Years Vintage)Foudre (Large Wooden Vat — 20–120hL — Alsace, Rhône, Châteauneuf)French Oak: Allier, Tronçais, Vosges, Limousin, and NeversFurfural & 5-Methylfurfural — Caramel and Almond Aldehydes from Oak ToastingGross Lees vs. Fine Lees — When to Rack, When to StayHogshead (300L — Wine Cooperage & New World Production)Hungarian Oak (Quercus petraea) — Tight Grain, Rich Spice, and Elegant VanillaLimousin Oak — Wide Grain, High Tannin, and the Heart of Cognac CooperageMadeira Production: Estufagem vs. CanteiroNevers Oak (France) — Medium-Tight Grain; Spicy; Versatile for Reds and WhitesOak AgingOak Alternatives — Chips, Staves, Cubes & Powder (Legal & Artisan Use)Oak Lactones (Whisky Lactones)Oxidative Aging Without Flor (Oloroso, Madeira Canteiro Method)Oxidative Winemaking TechniquesPerpetual Reserve SystemsPièce / Feuillette (Burgundy Barrels)Puncheon (500L)Quercus alba — American White OakQuercus petraea — Sessile OakQuercus robur — Pedunculate OakSlavonian Oak: Quercus roburSolera Aging SystemStainless Steel Tank (Neutral Maturation — Aromatic Preservation)Stave SeasoningSur Lie AgingTonneau (500L)Tronçais Forest (France) — Fine-Grained Oak for Wines and Cognac; Slow Extraction; Precise StructureVanillin — Phenolic Aldehyde from Lignin Degradation; Classic Vanilla Aroma in Oaked WinesVin Jaune / Jura Oxidative Aging (No Topping Up — Voile Yeast)Vosges Forest (France) — Oak Terroir for Elegant WinesWine Aging Explained: Oak, Bottle, and When to DrinkWine Storage and Cellaring
Cellar Techniques31
Alcohol Management in WinemakingAlcohol Reduction: Spinning Cone Column and Reverse OsmosisAssemblage / Blending Philosophy — When Art Meets ScienceAssemblage and Cuvée PhilosophyBottling and ClosuresCentrifugation in WinemakingChaptalization — Sugar Addition in WinemakingCold Stabilization in WinemakingCork: Portugal's Global Dominance and the Alentejo Montado LandscapeCoupage (Cross-Regional Blending: Regulated and Unregulated Contexts)Cross-Flow FiltrationCrossflow / Tangential Membrane FiltrationDe-Acidification — Calcium Carbonate, Malolactic Fermentation, and the Double Salt MethodDiatomaceous Earth (Kieselguhr) Filtration in WinemakingFiltration Types: Coarse, Fine & Sterile/MembraneFining AgentsHorizontal Blending (Multiple Varieties, Vineyards, or Villages)Inert Gas Blanketing (Nitrogen, CO₂, Argon) — Oxidation PreventionIsinglass Fining (Fish Swim Bladder Collagen — White & Sparkling Wine Clarity)Pad / Sheet FiltrationProtein Stability in White Wine — Heat Testing and Bentonite FiningPVPP (Polyvinylpolypyrrolidone) — Color and Bitterness FiningRemuage and DégorgementSO₂ Species in Wine: Why pH Controls What Actually Protects Your WineSterile Membrane Filtration (0.45 Micron — Yeast & Bacteria Removal)Sustainable Winemaking PracticesTartaric Acid Addition (Acidification: Standard Practice in the New World, Regulated in the EU)Topping Up / Ouillage — Preventing Ullage and OxidationUnfined & Unfiltered Winemaking — Philosophy & RisksVegan Fining Methods (Pea Protein, Potato Protein — Growing Category)Vertical Blending (Multiple Vintages — NV Champagne, Tawny Port)
Wine Styles & Methods33
AppassimentoBolgheri Bordeaux-Blend TraditionBurgundian Winemaking TechniquesBurgundy Winemaking TechniquesCerasuolo Frappato-Nero d'Avola Blend TraditionCognac Production and AgingCool-Climate Winemaking TechniquesCrémant: France's Méthode Traditionnelle Category Outside ChampagneCryoextraction for Late Harvest ConcentrationDisgorgement (Dégorgement) — à la Glace TechniqueDosage Levels — Brut Nature, Extra Brut, Brut, Extra Sec, Sec, Demi-Sec, DouxGoverno all'Uso ToscanoLoire Sweet Wine TraditionLow-Alcohol Wine ProductionMadeira Estufagem vs. Canteiro: Two Maturation Methods ExplainedMalvazija Istarska: Young & Fresh, Oaked, and Skin-Contact StylesMarsala Fortification TraditionMéthode Champenoise / Méthode TraditionnellePétillant Naturel / Pét-Nat (Ancestral Method, Bottled Mid-Ferment)Rosé — Short Maceration (Hours of Skin Contact)Rosé Champagne — Saignée MethodRosé Champagne — The Blending (Assemblage) MethodRosé: Direct Press Method (Provence; Pale, Delicate Style)Sherry Fortification and Flor Yeast: The Biological Aging SystemSherry Styles: Amontillado (Fino with Flor Death — Oxidative, Nutty, Amber)Sherry Styles: Cream (Sweetened Oloroso — Bristol Cream Style)Sherry Styles: Oloroso (No Flor, Fully Oxidative, Dry)Skin Contact White Wine (Orange Wine): Short (Days), Medium (Weeks), Extended (Months)Slovenia and Orange Wine: The Amphora RevolutionSweet Wine Production MethodsTransfer Method Sparkling WineVin de Paille: Jura's Straw WineVin Santo del Chianti Classico Tradition
Faults, Flaws & Off-Characters14