Structured Nutritional Data & Citations
Rum (Distilled Spirit)
| Metric | Per 100g (Approx.) | Per Standard Serving (1.5 fl oz / 44.4g) (Approx.) | Notes |
|---|---|---|---|
| Energy | 224 kcal (937 kJ) | 99 kcal (414 kJ) | Based on 40% Alcohol by Volume (ABV). Ethanol contributes ~7 kcal/g. |
| Macronutrients | |||
| Protein | 0 g | 0 g | |
| Carbohydrates | 0 g | 0 g | Assumes unflavored, unsweetened rum. Spiced or flavored rums may contain added sugars, significantly altering carbohydrate content. |
| Fat | 0 g | 0 g | |
| Alcohol (Ethanol) | 32 g | 14.2 g | Pure ethanol content, based on 40% ABV. |
| Water | ~68 g | ~30.2 g |
Key Micronutrients
Rum, as a distilled spirit, contains virtually no significant vitamins or minerals. It is primarily a source of "empty calories" from ethanol.
- Vitamins: Trace amounts may exist in aged rums due to interaction with wooden barrels, but not nutritionally significant.
- Minerals: Trace amounts from distillation or aging, but negligible.
- Antioxidants: None present in significant nutritional quantity. Antioxidant capacity in alcoholic beverages is typically attributed to non-alcohol components in wine or beer, not distilled spirits.
Functional Impact
- Glycemic Index (GI): Not applicable for pure alcohol. Ethanol itself does not contain carbohydrates and does not directly raise blood glucose in the same manner as glucose or starch. However, its metabolism can impact blood glucose (e.g., inhibiting gluconeogenesis leading to hypoglycemia, or in mixed drinks, added sugars drastically increase GI/GL).
- Glycemic Load (GL): 0 (for pure rum). As above, this applies only to the spirit itself.
- Satiety Score: Very low. Alcohol can paradoxically increase appetite and reduce inhibitions around food consumption.
Physical Properties
- Density: Approximately 0.94 g/cm³ (or g/mL) for 40% ABV rum at 20°C. This varies slightly with ABV and temperature.
- Volumetric Contraction After Cooking/Processing: Not applicable under standard consumption. Distillation is a separation process, not a "cooking" in the nutritional sense. If boiled down, water evaporates, concentrating alcohol and any trace non-volatile compounds.
Citations & References
- USDA FoodData Central: FoodData Central. USDA. "Alcohol, ethyl." [Link to USDA FoodData Central - Ethanol (e.g., FDC ID: 170889)]. Calories for alcohol are consistently listed at approximately 7 kcal/g.
- NIAAA (National Institute on Alcohol Abuse and Alcoholism): Standard drink definitions and alcohol content guidance.
- General Nutritional Consensus: Widely accepted macronutrient values for distilled spirits from various public health organizations (e.g., CDC, WHO) and dietary guidelines.
Field Notes: Dr. Aria Vance
Subject: Rum
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
Why Rum Is Difficult to Track
Dr. Aria Vance, Lead Nutrition Data Scientist at NutriSnap.
Rum. Good grief, the ghost in the machine of nutritional tracking. This isn't your clean-cut, easily quantifiable protein shake. Not by a long shot. It's a historical enigma, a liquid paradox, utterly vexing for anyone attempting manual data capture.
Its very genesis, steeped in the molasses of Caribbean sugarcane, tells you this is no simple ingredient. From slave plantations to naval grog rations, it fueled empires, yes, but also countless hangovers. And calorie confusion. There's white rum, gold, dark, spiced, agricole, overproof… Each, a tiny variable nightmare. Trying to measure the exact caloric load of a handcrafted daiquiri? Impossible. Utterly.
My field notes from last week scream this frustration. I watched a bartender free-pour what he called "a generous shot" for a customer's Mojito. Was it 1.5 fluid ounces? 2? More? Who knows! He just glugged it. Then, the mint, the lime juice, the sugar (oh, the sugar!). These aren't on the rum label, are they? The spirit itself might be carb-free, but that's a bald-faced lie when it comes to what actually ends up in your glass. The sheer, overwhelming variability! No barcode on Earth captures the "just a splash" of vanilla-infused dark rum a home cook might toss into their banana bread. The alcohol content swings wildly, too, from 40% standard to over 75% for some of those industrial-strength overproof varieties. That's a huge difference in energy density, drastically skewing any caloric calculation based on a generic "rum" entry.
Forget the scale, forget the measuring cup. How do you weigh the aroma infused from an aging barrel? Or the trace sugars added to mellow a cheap spiced rum, often below the threshold for official nutritional declaration, yet still present and metabolically relevant? It's a semantic minefield. We're asking people to be forensic scientists every time they enjoy a simple drink. It’s tedious. It's fundamentally flawed.
This is precisely why NutriSnap exists. This is why our AI vision system is a game-changer. Forensic visual analysis. It sees the volume, yes, but it learns the context. It estimates the typical alcohol content based on the drink type, recognizes tell-tale signs of added sugars, distinguishes a dark rum's color nuances that hint at its aging process or potential additives. Finally, a tool that truly understands the liquid world, not just a label. We're cracking the code, one visually analyzed cocktail at a time. The manual nightmare? Over.
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