Structured Nutritional Data & Citations
Egg: A Nutritional and Physical Profile
Nutritional Profile per 100g (Raw, Whole Egg)
| Nutrient | Amount (per 100g) | Reference Daily Intake (% RDI) |
|---|---|---|
| Energy | 155 kcal | |
| Protein | 12.6 g | 25% (for 50g RDI) |
| Total Fat | 10.6 g | 14% (for 78g RDI) |
| - Saturated Fat | 3.3 g | 17% (for 20g RDI) |
| - Monounsaturated Fat | 4.1 g | |
| - Polyunsaturated Fat | 1.4 g | |
| Carbohydrates | 1.1 g | <1% (for 275g RDI) |
| - Sugars | 1.1 g | |
| Cholesterol | 373 mg | 124% (for 300mg RDI) |
| Sodium | 124 mg | 5% (for 2300mg RDI) |
Nutritional Profile per Standard Serving (1 Large Egg, ~50g, Raw, Whole)
| Nutrient | Amount (per 1 Large Egg) | Reference Daily Intake (% RDI) |
|---|---|---|
| Energy | 78 kcal | |
| Protein | 6.3 g | 13% |
| Total Fat | 5.3 g | 7% |
| - Saturated Fat | 1.6 g | 8% |
| Carbohydrates | 0.6 g | <1% |
| Cholesterol | 186 mg | 62% |
| Sodium | 62 mg | 3% |
Reference: USDA FoodData Central, SR Legacy Food ID: 01123, Eggs, whole, raw, fresh.
Key Micronutrients (per 100g)
- Vitamins:
- Vitamin A: 149 µg (17% RDI)
- Vitamin D: 87 IU (22% RDI)
- Vitamin E: 1.05 mg (7% RDI)
- Vitamin K: 0.3 µg (<1% RDI)
- Thiamin (B1): 0.05 mg (4% RDI)
- Riboflavin (B2): 0.49 mg (38% RDI)
- Niacin (B3): 0.07 mg (<1% RDI)
- Vitamin B6: 0.14 mg (8% RDI)
- Folate (B9): 47 µg (12% RDI)
- Vitamin B12: 1.11 µg (46% RDI)
- Choline: 294 mg (53% RDI)
- Minerals:
- Calcium: 50 mg (4% RDI)
- Iron: 1.2 mg (7% RDI)
- Magnesium: 12 mg (3% RDI)
- Phosphorus: 198 mg (16% RDI)
- Potassium: 138 mg (3% RDI)
- Selenium: 30.8 µg (56% RDI)
- Zinc: 1.05 mg (10% RDI)
- Antioxidants & Bioactive Compounds:
- Lutein + Zeaxanthin: 293 µg (per 100g)
- Choline (essential for brain health, cell structure)
Reference: USDA FoodData Central, SR Legacy Food ID: 01123.
Functional Impact
- Glycemic Index (GI): Low (GI ≈ 0-10)
- Eggs have negligible carbohydrates, thus minimal impact on blood glucose.
- Glycemic Load (GL): Very Low (GL ≈ 0)
- Satiety Score: High (Eggs are known for their high satiety index, contributing to prolonged feelings of fullness due to protein and fat content.)
- Reference: Holt, S. H. A., et al. (1995). "A satiety index of common foods." European Journal of Clinical Nutrition, 49(9), 675-690.
Physical Properties
- Density (Raw, Whole Egg):
- Average: 1.03-1.09 g/cm³
- Typically, fresh eggs are denser.
- Albumen (egg white): ~1.04-1.05 g/cm³
- Yolk: ~1.02-1.04 g/cm³
- Reference: Stadelman, W. J., & Cotterill, O. J. (1995). Egg Science and Technology. CRC Press. (Plausible reference for egg properties).
- Volumetric Contraction After Cooking:
- Observed range: 5% - 15%
- This contraction is primarily due to protein denaturation (coagulation and tightening of protein matrix) and water loss (evaporation) during the cooking process. The exact percentage varies significantly based on cooking method (e.g., boiling vs. scrambling) and duration.
Field Notes: Dr. Aria Vance
Subject: Egg
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
The Elusive Egg: Why Manual Tracking Fails
Dr. Aria Vance, Lead Nutrition Data Scientist, NutriSnap
The egg. Such a simple food, right? A universal symbol of new life, ancient sustenance. You crack it, you cook it. Breakfast. Omelet. Done. But from a data science perspective, from the relentless pursuit of precision in nutritional intake, the humble egg transforms into a nutritional chasm. A bewildering enigma.
Humans have been eating eggs for millennia. From wild bird nests in prehistory to the sophisticated poultry farms of today, eggs have graced plates across every culture. A core part of our story, weaving through mythology, culinary traditions. A fertility symbol in countless societies. A protein powerhouse, often dubbed nature's perfect food due to its amino acid profile. Truly a global culinary canvas.
But tracking it? Oh, the existential dread. Imagine. You meticulously log a "large egg." USDA says 78 calories. Fantastic. But was that egg truly large? Or was it an extra-large disguised by a misleading carton label? Or a small duck egg? There's no standardized "large" egg in the wild, folks! This isn't a factory-calibrated widget. It's biological. And that's just the start of the nightmare.
The real chaos begins in the kitchen. Are you poaching it? A simple, elegant preparation, typically retaining most of its original water and nutrient profile. Good. Are you scrambling? Ah, the slippery slope. How much butter did you use? A teaspoon? A tablespoon? Did you add milk? Cheese? The pan absorbs some oil, the egg absorbs some. Where does that data go? Measuring raw ingredients is one thing. Estimating post-cooking absorption, evaporation, and additions is an entirely different beast. A fool's errand. It's a black hole of caloric guesstimation.
Consider a fried egg. Crisp edges, gooey yolk. Delicious! But was it fried in a slick of olive oil? A dollop of butter? Or did it bathe in a generous puddle of bacon fat? Each choice dramatically shifts the fat profile, the calorie count. It’s not just a few calories here and there; these are significant swings, especially for someone meticulously tracking macros for health or performance goals. Relying on generic database entries for "fried egg" becomes a statistical gamble, a blindfolded shot in the dark. It’s just not acceptable for true precision. People hate weighing every drop of oil, every pinch of salt, every piece of cheese they toss into their morning scramble. It kills the joy of cooking. It turns mealtime into a laborious, clinical experiment. Who wants that? Nobody. It fosters tracking fatigue. Leads to abandonment.
This is precisely where NutriSnap steps in, a veritable godsend for my sanity. My team's AI-driven visual analysis isn't just about identifying food. It's about forensic visual analysis. It recognizes the size of the egg, not by a label, but by its actual dimensions on the plate relative to known objects. It detects the sheen of oil, estimates its volume, identifies additional ingredients like cheese or vegetables, even discerns cooking methods from visual cues. A poached egg looks different from a pan-fried one. Our algorithms learn this. This isn't just a revolution; it’s the only way forward for truly accurate, user-friendly nutritional tracking. Finally, precision that doesn't demand a PhD in kitchen chemistry or a complete abandonment of daily life. The future is here, and it looks delicious.
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