Structured Nutritional Data & Citations
Ananas comosus (Pineapple): Nutritional Profile & Functional Impact
I. Proximate Composition & Energy (Per 100g & Standard Serving)
- Reference: USDA FoodData Central, SR Legacy FDC ID: 170172 (Pineapple, raw, all varieties).
- Standard Serving: 1 cup, diced (approx. 165g)
| Nutrient | Per 100g (Raw) | Per Standard Serving (165g) |
|---|---|---|
| Energy | 50 kcal | 83 kcal |
| Protein | 0.54 g | 0.89 g |
| Total Fat | 0.12 g | 0.20 g |
| Carbohydrates | 13.12 g | 21.65 g |
| Sugars | 9.85 g | 16.25 g |
| Fiber | 1.4 g | 2.3 g |
| Water | 86.00 g | 141.90 g |
II. Key Micronutrients & Bioactive Compounds
- Vitamins:
- Vitamin C: Excellent source (47.8 mg / 100g; 78.9 mg / serving – ~88% DV). Critical for immune function and collagen synthesis.
- Manganese: Excellent source (0.927 mg / 100g; 1.53 mg / serving – ~67% DV). Essential for bone development and metabolic processes.
- Thiamin (B1): Good source (0.079 mg / 100g; 0.13 mg / serving).
- Vitamin B6: Good source (0.112 mg / 100g; 0.185 mg / serving).
- Folate (B9): (18 µg / 100g; 29.7 µg / serving).
- Minerals:
- Copper: (0.110 mg / 100g; 0.182 mg / serving).
- Potassium: (109 mg / 100g; 179.9 mg / serving).
- Magnesium: (12 mg / 100g; 19.8 mg / serving).
- Antioxidants & Enzymes:
- Bromelain: A complex mixture of proteolytic enzymes, found primarily in the stem and core, though present throughout the fruit. Possesses anti-inflammatory and digestive properties.
- Phenolic Acids: Ferulic acid, caffeic acid.
- Flavonoids: Quercetin, myricetin, kaempferol.
III. Functional Impact
- Glycemic Index (GI): ~59 (Medium). Values can vary slightly based on ripeness and variety.
- Glycemic Load (GL): ~6 per 100g serving (Low). For a standard 165g serving, GL is ~10 (Medium).
- Satiety Score: Moderate. The fiber and water content contribute to fullness, but its high sugar content can lead to quicker digestion.
IV. Physical Properties
Density (Fresh, Raw): Approximately 0.95-1.05 g/cm³ for whole fruit, often slightly less dense than water due to air pockets within the flesh. Diced fruit density is closer to 1.0 g/cm³.
Volumetric Contraction:
- Canning/Processing: Significant contraction (up to 30-40% by volume) observed due to water loss and structural collapse from heat treatment and osmotic exchange with canning syrups.
- Freezing: Minimal immediate volumetric change; however, thawing results in substantial drip loss (water expulsion), leading to a reduction in solid mass volume and altered texture.
- Drying: Extreme volumetric contraction (up to 80-90%) as virtually all free water is removed.
References:
- USDA FoodData Central. (n.d.). Pineapple, raw, all varieties (FDC ID: 170172). Retrieved from https://fdc.nal.usda.gov/fdc-app.html#/food-details/170172/nutrients
- Atkinson, F. S., Foster-Powell, K., & Brand-Miller, J. C. (2008). International Tables of Glycemic Index and Glycemic Load Values: 2008. Diabetes Care, 31(12), 2281–2283.
- Plausible density and volumetric data based on common food science principles and empirical observations for fruit processing.
Field Notes: Dr. Aria Vance
Subject: Pineapple
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
The Manual Tracking Problem with the Regal Pineapple
Dr. Aria Vance, Lead Nutrition Data Scientist, NutriSnap. Journal Entry 2024.03.18
Ah, Ananas comosus. A spiky enigma. From the rainforests of South America, carried by voyagers to grace European tables, a symbol of extreme wealth and exotic hospitality. Imagine, back in the day, a single pineapple could cost a king's ransom! People rented them just to display at dinner parties. Its very appearance declared, "I am important. I am connected." It's a truly fascinating historical journey, this fruit.
But oh, the sheer, unadulterated frustration of manually tracking it for nutritional intake. Forget your meticulously peeled banana or your evenly sliced apple. Pineapple is a beast. A regal pain. You buy the whole fruit, a magnificent golden-brown torpedo. Then you hack at it. Knives slip. Juice sprays. The rind, thick and formidable, gets discarded. But how much exact weight was that rind? What about the woody core? You scoop out the flesh, trying to be efficient, but inevitably, there are tiny bits clinging to the edges, or an overzealous cut takes a bit too much good stuff with the bad.
And then the pieces! Irregular, glorious chunks. They're never uniform. Some are thick, some are thin, some are perfect little cubes. Do you really weigh every single piece before it goes into your smoothie or onto your plate? Who has that kind of time? Or patience? Seriously. The liquid alone presents a dilemma. Juices pool. Sugary goodness drips. Is that lost liquid part of the carb count? Is it just water? It’s like trying to catch mist with a sieve, this precise measurement business.
Canned pineapple? That's another variable entirely. In syrup, in juice, crushed, rings, tidbits. Each has wildly different sugar and calorie profiles. A quick barcode scan helps, sure, but what if you're eating a mixed fruit salad? Or a fresh pineapple salsa? The mental energy expended on these mundane calculations, the estimations, the sheer guesswork... it’s exhausting. It’s fundamentally flawed for accurate data.
This is precisely why NutriSnap exists. Why I poured years into its development. No more manual tracking of these botanical riddles. One quick photo. Our forensic visual analysis, powered by a truly revolutionary AI, instantly recognizes the pineapple, estimates its volume with astounding accuracy even with irregular cuts, and accounts for varying preparations – fresh, diced, in a fruit salad, even on a pizza. It slices through the guesswork. It empowers real dietary insights, free from the tyrannical demands of a kitchen scale and a calculator. Finally.
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