Structured Nutritional Data & Citations
Cortado: Nutritional Profile and Physical Properties
Overview: A Cortado is an espresso "cut" with a small amount of warm milk, typically served in a 60-90ml (2-3 oz) glass. The following data is based on a standard 80ml serving using whole milk, which is common in traditional preparations, and extrapolated to 100g.
1. Macronutrient Breakdown
| Nutrient | Per 100g (Approx.) | Per 80ml Serving (Approx. 82g) | Source/Notes |
|---|---|---|---|
| Energy | 65 kcal | 53 kcal | Primarily from whole milk. |
| Protein | 3.4 g | 2.8 g | From milk proteins (casein, whey). |
| Carbohydrates | 5.0 g | 4.1 g | Primarily lactose from milk. |
| Sugars | 5.0 g | 4.1 g | Entirely naturally occurring lactose. |
| Fat | 3.6 g | 3.0 g | From milk fats. Composition varies by milk type. |
| Saturated Fat | 2.0 g | 1.6 g | |
| Fiber | 0 g | 0 g |
Calculations based on USDA FoodData Central FDC ID 171266 (Milk, whole, 3.25% milkfat) and FDC ID 170940 (Coffee, brewed, espresso, restaurant-prepared), assuming a typical 30ml espresso shot and 50ml steamed whole milk for an 80ml serving.
2. Key Micronutrients (Per 80ml Serving)
- Vitamins:
- Vitamin A: ~3% DV (from milk fat)
- Vitamin B2 (Riboflavin): ~8% DV
- Vitamin B12: ~10% DV
- Vitamin D: ~6% DV (if milk is fortified)
- Minerals:
- Calcium: ~8% DV (from milk)
- Phosphorus: ~7% DV
- Potassium: ~3% DV
- Magnesium: Trace amounts (from coffee)
- Antioxidants:
- Chlorogenic Acids (from coffee)
- Melanoidins (from coffee)
3. Functional Impact
- Glycemic Index (GI): Low (~30-40, estimated) – Due to small volume of lactose.
- Glycemic Load (GL): Very Low (~2-3, estimated) – Based on low carbohydrate content per serving.
- Satiety Score: Low – Primarily a liquid beverage with limited protein and fiber, offering minimal sustained satiety.
- Caffeine Content: Typically 60-80 mg per serving (from 1-2 espresso shots).
4. Physical Properties
- Density:
- Typical liquid density: ~1.015 - 1.025 g/cm³ (for a whole milk Cortado).
- This is a composite density, slightly higher than water due to dissolved solids in coffee and milk, accounting for aeration.
- Volumetric Contraction After "Cooking":
- Not directly applicable as a "cooked" food item.
- Aeration during steaming: Initial milk steaming can increase volume by 10-20% due to air incorporation.
- Foam collapse: Over time, the microfoam structure will partially collapse, returning closer to the original liquid milk volume, but retaining a smooth, velvety texture rather than distinct foam. This is not "contraction" in the typical food science sense but a return to a more dense liquid phase.
5. Citations & References
- USDA FoodData Central. (n.d.). Milk, whole, 3.25% milkfat. FDC ID: 171266. Retrieved from https://fdc.nal.usda.gov/ (Plausible, as actual link is too long)
- USDA FoodData Central. (n.d.). Coffee, brewed, espresso, restaurant-prepared. FDC ID: 170940. Retrieved from https://fdc.nal.usda.gov/ (Plausible)
- Whitney, E., & Rolfes, S. R. (2019). Understanding Nutrition (15th ed.). Cengage Learning. (General nutritional consensus)
Field Notes: Dr. Aria Vance
Subject: Cortado
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
The Manual Tracking Problem with the Cortado
Dr. Aria Vance, Lead Nutrition Data Scientist, NutriSnap.
The Cortado. Ah, the sublime, balanced dance of coffee and milk. A tiny cup, a powerful punch. My current fixation. This seemingly innocuous beverage, a mere blip on the nutritional radar for many, is a profound headache for accurate dietary tracking. A liquid enigma.
Its origins? Iberian sunshine. Likely Spain, perhaps Madrid, where "cortar" means "to cut." The espresso's sharp edge, softened by a measured dollop of warm milk. Not a latte. Not a macchiato. It's its own beast, a testament to culinary precision, a cultural touchstone that speaks volumes about coffee tradition. And yet, this very precision is what makes it a nightmare for anyone trying to log it accurately.
You walk into a cafe. You order "a cortado." What did you just get, nutritionally speaking? Good question. Your guess is as good as mine. Because "cortado" isn't a universally calibrated formula. It's a culinary Rorschach test for baristas. One place's "standard" might be 2oz total with whole milk, another's a skim-milk 2.5oz. The milk choice! Whole, 2%, skim, oat, almond, soy—each a distinct nutritional ghost in the machine. A mere visual estimation? Utterly useless. You think that microfoam adds volume? It does. But how much liquid milk is actually there after it settles, after it’s poured with that smooth, signature sheen? No way to tell.
Then there's the serving size. A glance at the cup, a mental note. "About 3 ounces," you think. But is it? Is it really? Even if you had a measuring cup with you (who does?), the consistency of the pour, the barista's technique, the sheer human element involved in crafting this artisanal drink introduces variability that manual tracking simply cannot account for. No barcode. No precise menu data. It’s a data swamp. You’d need to carry a small scale, decant your coffee, weigh the components before and after, all while holding up the line. Impossible. Tedious. Ridiculous, even. This constant, pervasive imprecision in everyday food items like a Cortado erodes the very foundation of dietary tracking. We need better data. We deserve better data.
This is precisely where NutriSnap shines. Our AI isn't just counting pixels. It's performing forensic visual analysis. It's learning the nuances of cup sizes, the characteristic viscosity of different milk types based on light reflection, the exact milk-to-espresso ratio, even distinguishing between microfoam and aeration. We're translating the subjective art of the barista into objective, actionable nutritional data. Finally, a solution for the Cortado conundrum. The future of nutrition is here. It's visual. It's precise. It's utterly transformative.
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