Structured Nutritional Data & Citations
SECTION 1: Clinical Nutritional Profile of Zingiber officinale (Ginger Root)
Nutritional Composition per 100g (Raw Ginger Root)
| Nutrient | Amount per 100g | % Daily Value (DV) (based on 2000 kcal diet) | Reference |
|---|---|---|---|
| Energy | 80 kcal | 4% | USDA FoodData Central (FDC ID: 170940) |
| Macronutrients | |||
| Protein | 1.82 g | 4% | USDA FDC ID: 170940 |
| Total Fat | 0.75 g | 1% | USDA FDC ID: 170940 |
| Carbohydrates | 17.77 g | 6% | USDA FDC ID: 170940 |
| - Dietary Fiber | 2 g | 7% | USDA FDC ID: 170940 |
| - Sugars | 1.7 g | USDA FDC ID: 170940 |
Nutritional Composition per Standard Serving (1 Tbsp, Grated, approx. 6g)
| Nutrient | Amount per 6g | % Daily Value (DV) (based on 2000 kcal diet) | Reference |
|---|---|---|---|
| Energy | 4.8 kcal | <1% | Calculated from USDA FDC ID: 170940 |
| Macronutrients | |||
| Protein | 0.11 g | <1% | Calculated from USDA FDC ID: 170940 |
| Total Fat | 0.045 g | <1% | Calculated from USDA FDC ID: 170940 |
| Carbohydrates | 1.07 g | <1% | Calculated from USDA FDC ID: 170940 |
| - Dietary Fiber | 0.12 g | <1% | Calculated from USDA FDC ID: 170940 |
| - Sugars | 0.1 g | Calculated from USDA FDC ID: 170940 |
Key Micronutrients per 100g
- Vitamins:
- Vitamin B6 (Pyridoxine): 0.16 mg (12% DV)
- Vitamin C (Ascorbic Acid): 5 mg (6% DV)
- Folate (Vitamin B9): 11 µg (3% DV)
- Minerals:
- Manganese: 0.23 mg (10% DV)
- Potassium: 415 mg (9% DV)
- Magnesium: 43 mg (10% DV)
- Copper: 0.22 mg (24% DV)
- Antioxidants/Phytochemicals:
- Gingerols (e.g., [6]-gingerol, [8]-gingerol, [10]-gingerol)
- Shogaols (formed from gingerols during drying/heating)
- Paradols
- Zingerone
- References: USDA FoodData Central (FDC ID: 170940), "Ginger: a systematic review of its health benefits" - World Journal of Gastroenterology, 2013; "Chemical Constituents of Zingiber officinale" - Phytochemistry, 2016.
Functional Impact
- Glycemic Index (GI): Low (estimated <55)
- Glycemic Load (GL): Very Low (estimated <1 per serving)
- Note: Ginger is typically consumed in small quantities, significantly mitigating glycemic impact.
- Reference: General consensus for fibrous, low-sugar vegetables; specific studies on ginger's GI are rare due to its culinary use as a spice rather than a primary food source.
- Satiety Score: Not typically applicable as a primary food source. However, its digestive effects (e.g., gastric motility) may indirectly influence feelings of fullness or reduce nausea, which can impact overall food intake.
- Reference: "Effects of ginger on gastric motility and symptoms of functional dyspepsia" - World Journal of Gastroenterology, 2008.
Physical Properties
- Density (Raw): Approximately 0.95 - 1.05 g/cm³
- Note: Varies based on moisture content, age of rhizome, and fibrousness.
- Volumetric Contraction after Cooking/Drying:
- Drying: Significant, up to 70-80% moisture loss, leading to substantial volume and weight reduction.
- Cooking (e.g., Grated/Minced in Stir-fry): Moderate to high. Fibrous structure breaks down, and water evaporates, leading to a considerable reduction in apparent volume.
- Reference: Empirical observation, general food science principles of moisture loss in plant matter.
Field Notes: Dr. Aria Vance
Subject: Ginger
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
Why Ginger Is Difficult to Track
Dr. Aria Vance, Lead Nutrition Data Scientist at NutriSnap. Journal Entry: 2024-10-27
Today, my fascination with Zingiber officinale flared anew. A humble root, yet a powerhouse of historical significance and modern nutritional enigma. This isn't just a spice; it's a botanical ambassador, tracing ancient trade routes from Southeast Asia to the farthest corners of the Roman Empire. Emperors craved it. Herbalists revered it. Its pungent heat, a literal fire in the belly, has quelled nausea for millennia, soothed inflamed joints, and even fought the common cold. What a journey for a gnarled rhizome!
But try to track it. Go on, I dare you. Our traditional methods? They crumble. Barcodes? Hah! On a fresh, irregular root? Laughable. Scales? Sure, if you're not wrestling with its lumpy, knobby surface, trying to get a stable reading while your hands get sticky and fragrant. And how do you account for peeling? The skin, the fibrous bits near the edge – do they count? Do you weigh the whole thing, then the discards, then subtract? What a painstaking mess for a mere tablespoon.
Then there's the form factor. Oh, the maddening, beautiful complexity! Raw, grated, sliced, julienned. Each presents a different density profile, a varied surface area for enzymatic browning, for flavor release. And then the cooking. Grated ginger, sautéed in oil, loses volume drastically. It virtually disappears, leaving behind its intense essence. A fresh, thumb-sized piece in water for tea is one thing; that same amount finely minced into a stir-fry is metabolically distinct. It's not just about the initial weight; it's about the transformation, the bio-availability changes, the volumetric contraction that makes 'a cup' of anything a highly dubious measure.
This isn't just about ginger, mind you. It's endemic to the entire realm of fresh produce, of home cooking. We’re still in the nutritional dark ages, fumbling with measuring spoons and guess-timates, trying to shoehorn organic chaos into rigid, outdated paradigms. The sheer tedium. The data gaps. People give up. They throw in the towel, utterly defeated by the minutiae of tracking their food intake accurately. And who can blame them? It’s a fool's errand with current tools.
This is precisely why NutriSnap exists. Our AI doesn't need a neat barcode or a perfectly flat surface for the scale. It sees. It learns. Forensic visual analysis. It can differentiate the raw root from the grated pile, estimate density, even account for that maddening volumetric contraction after a quick sauté. It's not just tracking; it's understanding the transformation of food. A photo. Done. The future of nutrition, finally unburdened by archaic tools. What a relief.
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