Structured Nutritional Data & Citations
Nutritional Profile: Cognac (Spirit, 40% Alcohol by Volume)
| Nutrient Category | Per 100g (Approx. 109.2 ml) | Per Standard Serving (1.5 fl oz / Approx. 44.4 ml) | Reference/Notes |
|---|
Cognac stands as a revered spirit, primarily valued for its flavor profile and moderate consumption, rather than a direct source of dietary nutrients.
Detailed Nutritional Profile for Cognac (e.g., typical VSOP, 40% ABV)
- Serving Size:
- Standard Serving: 1.5 fluid ounces (fl oz) / 44.36 milliliters (ml)
- Weight of Standard Serving: ~40.6 grams (g) (based on average density of 0.916 g/cm³ for 40% ABV spirit)
- 100g equivalent: Approximately 109.2 ml
| Nutrient Group | Per 100g (Approx. 109.2 ml) | Per Standard Serving (Approx. 40.6g / 44.4 ml) | Reference/Notes |
|---|---|---|---|
| Energy | 240 kcal / 1004 kJ | 98 kcal / 410 kJ | Calculated from ethanol content (7 kcal/g). USDA FoodData Central (FDC ID: 172089 - Alcoholic beverage, distilled, all (vodka, rum, gin, whiskey) 80 proof) provides similar figures, adjusted for specific ABV. |
| Macronutrients | |||
| Protein | 0 g | 0 g | Negligible amounts. |
| Total Carbohydrates | 0 - 0.1 g | 0 - 0.04 g | Trace sugars may be present from grape distillate or caramel coloring (minimal). |
| - Sugars | 0 g | 0 g | Typically sugar-free unless additives are used, which is rare in pure Cognac. |
| Total Fat | 0 g | 0 g | Negligible amounts. |
| Alcohol (Ethanol) | 34.4 g | 14.0 g | Assumes 40% ABV. Ethanol provides 7 kcal/g. |
| Water | ~65.5 g | ~26.6 g | Remaining liquid content. |
Key Micronutrients & Bioactive Compounds
- Vitamins: Generally negligible. Trace amounts of B-vitamins (e.g., Niacin, Riboflavin) may originate from the grape must but are largely lost during distillation.
- Minerals: Generally negligible. Trace minerals (e.g., Potassium, Magnesium, Calcium) may be present from water used in distillation or absorption from oak barrels, but not in nutritionally significant quantities.
- Antioxidants / Phenolic Compounds:
- Ellagic Acid & Tannins: Derived from oak barrels during the aging process. These phenolic compounds are known for antioxidant properties.
- Flavonoids & Resveratrol: Trace amounts may originate from grapes, but their concentration significantly diminishes post-distillation.
- Notes: While present, their dietary contribution from typical Cognac consumption is minor compared to sources like fruits, vegetables, or wine.
Functional Impact
- Glycemic Index (GI) / Glycemic Load (GL):
- Direct Sugar Impact: Very low GI/GL, as Cognac contains negligible direct carbohydrates or sugars.
- Ethanol Impact: High "metabolic load" due to ethanol's unique metabolic pathway. Ethanol is preferentially metabolized by the liver, which can impact glucose regulation, potentially leading to transient hypoglycemia or hyperglycemia depending on individual metabolic state and consumption patterns. The body processes ethanol as a toxin, affecting liver function and energy metabolism.
- Satiety Score:
- Complex Effect: Ethanol is known to be an appetite stimulant in many individuals, particularly when consumed before or during meals. It can reduce inhibition and increase the appeal of palatable foods, thus decreasing satiety for subsequent food intake. However, its high caloric density might induce a brief sensation of fullness for some. Overall, likely low in terms of promoting lasting satiety from a nutritional perspective.
Physical Properties
- Density:
- Average: ~0.916 g/cm³ (at 20°C for 40% ABV).
- Factors: Varies slightly with alcohol concentration (higher ABV = lower density) and temperature. Pure ethanol is ~0.789 g/cm³; water is 1.000 g/cm³.
- Volumetric Contraction After Cooking:
- Irrelevant for Cognac as a primary food: Cognac is a finished spirit, not typically "cooked" in the conventional sense.
- Evaporation/Volatilization: However, Cognac (like other spirits) is highly volatile. If used in cooking (e.g., flambé, sauces), significant volumetric reduction occurs primarily through the rapid evaporation of ethanol and water, along with some aromatic compounds. This process is often deliberate to concentrate flavors and remove alcohol content.
- "Angel's Share": During barrel aging, a substantial portion (typically 2-3% per year) of Cognac evaporates through the porous oak, known as the "angel's share." This is a natural volumetric reduction over time, impacting the final product's volume and concentration.
Citations & References
- USDA FoodData Central (FDC ID: 172089): Alcoholic beverage, distilled, all (vodka, rum, gin, whiskey) 80 proof. While not specific to Cognac, this entry provides a robust baseline for distilled spirits at common ABV levels, which Cognac aligns with in terms of caloric and macronutrient contribution from ethanol. [FDC Link: (Hypothetical, as direct Cognac entry not always granular for specific brands/aging types, but general distilled spirits data is available.)]
- National Institute on Alcohol Abuse and Alcoholism (NIAAA): Alcohol's Effects on the Body. Provides comprehensive information on ethanol metabolism, caloric contribution, and physiological impacts. [Reference: U.S. Department of Health and Human Services, National Institutes of Health. Dietary Guidelines for Americans 2020-2025.]
- European Food Safety Authority (EFSA): Scientific Opinion on the substantiation of health claims related to polyphenols in alcoholic beverages and reduction of risk of cardiovascular disease. General guidance on polyphenols in alcoholic beverages. [Reference: EFSA Journal, various publications on phenolic compounds.]
- French National Institute for Agricultural Research (INRAE): Research on grape varietals, distillation, and aging processes of brandies, often detailing the chemical composition and evolution of compounds like tannins and ellagic acid.
Field Notes: Dr. Aria Vance
Subject: Cognac
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
The Phantom Pour: Why Cognac Is Difficult to Track
Cognac. Liquid history. A story in a glass, distilled from the sun-drenched grapes of Charente, France. It's an elegant, complex spirit. A cultural cornerstone. Louis XIV, a man of refined tastes, would approve. But for a nutrition data scientist like me, Dr. Aria Vance, this "angel's share" of luxury is a devil to quantify.
It’s all about the pour. A simple gesture. A twist of the wrist. But what is a pour? Is it two fingers? A splash? The glass itself is a variable—tall, wide, narrow. Each dramatically alters the visual perception of volume. A brandy snifter looks substantial with just a modest serving. A tumbler? It screams for more. A ghost in the glass. The sheer volume ambiguity is maddening.
Then there's the ritual. The digestif. The social top-up. You're at a dinner party; the host, with generous spirit, offers "just a little more." You politely acquiesce. Your carefully estimated intake, a house of cards, tumbles. No precise barcode here. No standard cup-to-weight ratio for a "splash." It's a Wild West of caloric estimation. Try telling someone you need to weigh their pre-dinner Cognac serving. You'd be disinvited, faster than a cork pops.
The aging process, the venerable oak barrels, they impart those subtle notes of vanilla and spice, those beautiful amber hues. But they also contribute to the "angel's share," that yearly evaporation. It’s poetic, but nutritionally, it means slight variations in concentration even within the same bottle over time, though minimal, it adds to the noise. Even the 40% ABV listed is often a minimum; some batches, especially vintage, can vary. That means even if you could perfectly measure the volume, your alcohol content, and thus your calorie count, could be off. It’s a mathematical guessing game, played with amber liquid and social grace.
This manual tracking problem, this opaque, swirling mystery in the bottom of a snifter, frustrates me to no end. How can we possibly get an accurate picture of dietary intake when even the most luxurious items defy quantification? We need better tools. Tools that see beyond the ritual, past the social niceties, and into the liquid truth.
That's where NutriSnap steps in. A simple photograph. Our AI, a forensic visual detective, analyzes the meniscus, recognizes the glass's geometry. It calculates the liquid volume. It uses image recognition to identify the spirit, cross-referencing typical ABVs. No more phantom pours. No more guesswork. Finally, precision.
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