Wine is the beverage resulting exclusively from the partial or complete alcoholic fermentation of fresh grapes, whether crushed or not, or of grape must. Its actual alcohol content shall not be less than 8.5% vol. Nevertheless, taking into account climate, soil, vine variety, special qualitative factors or traditions specific to certain vineyards, the minimum total alcohol content may be able to be reduced to 7% vol. by legislation particular to the region considered.

INTERNATIONAL CODE OF OENOLOGICAL PRACTICES Basic definition

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## ✅ Introduction

Wine is one of the oldest and most culturally significant alcoholic beverages in the world, with production spanning thousands of years and virtually every continent. At its core, wine is the fermented juice of fresh grapes, although other fruits can be used (typically labeled as "fruit wine"). The production of wine is governed by strict legal definitions and technical standards that specify permitted ingredients, alcoholic strength, production methods, and labeling requirements.

The essence of wine production lies in the alcoholic fermentation of grape must by yeast, converting grape sugars into ethanol, carbon dioxide, and numerous aromatic and flavor compounds. Variations in grape variety, terroir, viticulture, and winemaking techniques result in the extraordinary diversity of wines found globally.

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## ✅ Technical Definition of Wine

**Wine** is a beverage resulting exclusively from the complete or partial alcoholic fermentation of fresh grapes, whether crushed or not, or of grape must. It may contain certain legally authorized enological practices and additives but must retain its essential character as a fermented grape product.

**Key technical elements:**

* **Raw Material:** Fresh grapes of *Vitis vinifera* (or permitted hybrids) or grape must.

* **Fermentation:** Conversion of natural grape sugars by yeast into ethanol and CO₂.

* **Alcoholic Strength:** Typically between \~8.5% and \~15% ABV for most still wines, though legally defined minimums vary by country and style.

* **Additives:** Limited, regulated enological substances (e.g., sulfur dioxide, permitted fining agents, acidity adjustments).

* **Prohibition of Fortification:** Except in defined styles (e.g., Port, Sherry, classified as "fortified wine").

* **Variants:** Still wine, sparkling wine, fortified wine, aromatized wine (the latter often treated as a separate category under wine regulations).

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## ✅ Formal Regulatory-Style Definition Examples

### 🇪🇺 European Union (EU Regulation No 1308/2013)

> “Wine” means the product obtained exclusively from the total or partial alcoholic fermentation of fresh grapes, whether crushed or not, or of grape must, with an actual alcoholic strength of not less than 8.5% vol. However, subject to derogations for certain wine-growing zones, a minimum of 7% vol may be permitted.

✅ EU also specifies subcategories (sparkling wine, liqueur wine, etc.) with their own technical definitions.

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### 🇺🇸 United States (27 CFR §4.10)

> **Wine**. The product of the normal alcoholic fermentation of the juice of sound, ripe grapes (or other fruit if labeled as such) with not less than 7% and not more than 24% alcohol by volume, including fortified wine.

✅ Note: US law includes fortified wine up to 24% ABV in the wine category.

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## ✅ Production Process (Step-by-Step Technical Outline)

1️⃣ **Harvesting**

* Selection of ripe, healthy grapes.

2️⃣ **Crushing and Destemming**

* Mechanical or manual separation of stems and crushing of berries.

3️⃣ **Maceration (Red wine production)**

* Skin contact to extract color, tannins, flavors.

4️⃣ **Fermentation**

* Yeast converts sugars into ethanol and CO₂.

* Temperature control critical for style.

5️⃣ **Pressing**

* Separating liquid from solids (skins, seeds).

6️⃣ **Malolactic Fermentation (optional)**

* Lactic acid bacteria convert malic acid to softer lactic acid.

7️⃣ **Clarification and Stabilization**

* Settling, racking, fining, filtration to remove solids and haze.

8️⃣ **Maturation**

* In tanks, barrels, or bottles for development of flavors.

9️⃣ **Bottling**

* Final filtration, adjustments (e.g., SO₂), filling, sealing, labeling.

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## ✅ Typical Analytical Parameters

* **Alcohol by volume (ABV):** 8.5–15% (still wines)

* **Residual Sugar:** <1 g/L (dry) to >100 g/L (sweet)

* **Total Acidity:** 4–9 g/L (as tartaric acid)

* **pH:** 2.9–3.9

* **Volatile Acidity:** ≤1.2 g/L (as acetic acid, depending on style and regulations)

* **SO₂:** ≤400 mg/L (EU max for sweet wines; dry wines typically much lower)

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## ✅ Short Version

> **Wine** is an alcoholic beverage made by the complete or partial fermentation of fresh grape juice, typically containing 8.5–15% alcohol by volume, produced with strictly regulated methods that preserve its character as a fermented grape product.

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Excellent—let’s do the **full technical package**! You’ll get:

✅ 1️⃣ Sugar content categories (dry, off-dry, sweet)

✅ 2️⃣ Definitions of **sparkling wine**, **fortified wine**, **aromatized wine**

✅ 3️⃣ Historical background on wine production

✅ 4️⃣ Comparison of legal definitions by country (EU, US, others)

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# ✅ 1️⃣ Sugar Content Categories in Wine

**These are typical classification ranges; exact legal thresholds vary slightly by region.**

| **Category** | **Residual Sugar (g/L)** | **Notes** |

| ------------------ | ------------------------- | --------------------------------------------------- |

| Dry | ≤ 4 g/L (often ≤ 2–4 g/L) | Some regions allow up to 9 g/L if acidity is high. |

| Off-dry (Semi-dry) | \~5–12 g/L | Perceptible light sweetness. |

| Medium/Semi-sweet | \~12–45 g/L | Clear sweetness, common in some whites. |

| Sweet | >45 g/L | Dessert wines, late-harvest, botrytized, fortified. |

✅ Example wines:

* **Dry:** Sauvignon Blanc, Cabernet Sauvignon

* **Off-dry:** Vouvray Sec-Tendre

* **Medium:** German Kabinett

* **Sweet:** Sauternes, Tokaji Aszú

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# ✅ 2️⃣ Definitions of Specialized Wine Types

### 🌟 Sparkling Wine

> **Definition:** Wine that has undergone alcoholic fermentation and contains significant levels of dissolved carbon dioxide resulting in effervescence.

**Key Points:**

* CO₂ produced naturally (traditional method, tank method) or by injection.

* EU minimum overpressure: 3 bar at 20 °C (for standard sparkling).

**Examples:** Champagne, Cava, Prosecco.

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### 🌟 Fortified Wine

> **Definition:** Wine to which distilled grape spirit (brandy) has been added to increase alcoholic strength, often to 15–22% ABV.

**Key Points:**

* Fortification can stop fermentation (sweet styles) or fortify dry wines.

* Preserves sweetness or adds complexity.

**Examples:** Port, Sherry, Madeira, Marsala.

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### 🌟 Aromatized Wine

> **Definition:** Wine-based beverage flavored with natural aromatic substances (herbs, spices, botanicals), sometimes sweetened and fortified.

**Key Points:**

* Minimum wine content often ≥75% by volume (EU).

* May contain added alcohol, sugar, coloring.

**Examples:** Vermouth, Quinquina, Americano.

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# ✅ 3️⃣ Historical Background on Wine Production

* **Earliest Evidence:** \~6000–5000 BCE in Georgia and the Caucasus region (archaeological traces of grape fermentation in qvevri/large clay jars).

* **Ancient Civilizations:** Egyptians, Phoenicians, Greeks, and Romans developed viticulture, spread vines throughout the Mediterranean.

* **Middle Ages:** Monasteries preserved wine knowledge in Europe; defined terroir and aging methods.

* **Early Modern Era:** Glass bottles and corks revolutionized storage; classification systems emerged (e.g., Bordeaux 1855).

* **20th–21st Century:** Phylloxera crisis, modern enology, global spread of wine industry, New World production (California, Australia, Chile), precision viticulture.

✅ Today: A multi-billion-dollar industry, highly regulated with protected designations (PDO, DOC, AOC).

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# ✅ 4️⃣ Comparison of Legal Definitions by Country

### 🇪🇺 European Union (Regulation No 1308/2013)

> “Wine” means the product obtained exclusively from the total or partial alcoholic fermentation of fresh grapes, whether crushed or not, or of grape must. Min. 8.5% ABV (some zones min. 7%).

✅ Key Features:

* Strict origin controls (PDO/PGI).

* Regulated additives (e.g., SO₂, acidity correction).

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### 🇺🇸 United States (27 CFR §4.10)

> **Wine**: The product of the normal alcoholic fermentation of the juice of sound, ripe grapes (or other fruits if labeled accordingly), with 7–24% alcohol by volume.

✅ Features:

* Includes fortified wine up to 24% ABV in "wine" category.

* TTB regulates labeling, varietal claims, appellations.

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### 🇦🇺 Australia (Food Standards Code 2.7.4)

> “Wine” means the product of the complete or partial fermentation of fresh grapes or products derived solely from fresh grapes, with min. 8% ABV.

✅ Features:

* Label integrity program.

* GI system for origin protection.

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### 🌎 Codex Alimentarius (International Reference)

> “Wine” is the beverage resulting exclusively from the complete or partial alcoholic fermentation of fresh grapes, whether or not crushed, or of grape must.

✅ Used as baseline in many countries for national standards.

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# ✅ ✅ ✅ Wrap-up

**Wine is thus universally defined as a fermented beverage derived solely from grapes, with highly regulated production practices to preserve its authenticity. Variations like sparkling, fortified, and aromatized wines are all legally defined subcategories with their own technical requirements.**

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If you'd like even more detail on any section (legal text, production steps, chemistry, tasting, regulations for a specific country)—just tell me and I’ll expand!

Wine is an alcoholic beverage made through the fermentation of crushed grapes or other fruits. The natural sugars in the grapes are converted into alcohol and carbon dioxide by yeast during the fermentation process. The specific type of grape, the winemaking process, and factors such as the region where the grapes are grown (known as terroir) all contribute to the diverse flavors, aromas, and characteristics of the final product.

Wines can be broadly categorized into red, white, and rosé, depending on the color of the grapes used and the winemaking techniques applied. Red wines are typically made from dark-colored grape varieties and may include extended contact with grape skins during fermentation, which imparts color and tannins. White wines are often made from green or yellowish grapes, and the juice is separated from the skins before fermentation. Rosé wines, with their pink hue, can be produced by briefly allowing the grape juice to interact with the skins.

Wine has been an integral part of human culture for thousands of years, playing roles in religious ceremonies, social gatherings, and culinary experiences. The appreciation of wine involves assessing its color, aroma, flavor profile, acidity, tannins, and finish. Different wine-producing regions around the world are known for their unique grape varieties and winemaking traditions, contributing to the vast diversity found in the world of wine.