Structured Nutritional Data & Citations
Garlic (Allium sativum) Nutritional Profile
I. Nutritional Composition & Functional Impact
Source: USDA FoodData Central (SR Legacy FDC ID 11215), major nutritional consensus.
| Metric | Per 100g Raw Garlic | Per Standard Serving (1 Clove ~3g) |
|---|---|---|
| Energy (Calories) | 149 kcal | 4 kcal |
| Macronutrients | ||
| - Protein | 6.36 g | 0.19 g |
| - Carbohydrates | 33.06 g | 0.99 g |
| - Sugars | 1.00 g | 0.03 g |
| - Fiber | 2.1 g | 0.06 g |
| - Fat | 0.5 g | 0.02 g |
Key Micronutrients:
- Vitamins:
- Vitamin C: (31.2 mg / 100g) Antioxidant, immune support.
- Vitamin B6 (Pyridoxine): (1.235 mg / 100g) Crucial for metabolic functions.
- Thiamine (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), Folate (B9): Present in smaller but significant amounts.
- Minerals:
- Manganese: (1.672 mg / 100g) Essential co-factor for many enzymes.
- Selenium: (14.2 µg / 100g) Antioxidant, thyroid function.
- Copper: (0.153 mg / 100g) Iron metabolism, energy production.
- Calcium: (181 mg / 100g) Bone health, nerve function.
- Iron: (1.7 mg / 100g) Oxygen transport.
- Potassium: (401 mg / 100g) Fluid balance, blood pressure regulation.
- Phosphorus: (153 mg / 100g) Bone health, energy metabolism.
- Zinc: (1.16 mg / 100g) Immune function, wound healing.
- Antioxidants & Bioactive Compounds:
- Allicin: Primary organosulfur compound, responsible for characteristic odor and many health benefits (antimicrobial, cardiovascular). Formed upon crushing/chopping.
- S-allylcysteine (SAC): Water-soluble compound, particularly abundant in aged garlic extract.
- Diallyl disulfide (DADS), S-allyl mercaptocysteine (SAMC), Ajoene: Other beneficial organosulfur compounds.
- Quercetin: Flavonoid with antioxidant and anti-inflammatory properties.
Functional Impact:
- Glycemic Index (GI): Low (typically <30).
- Glycemic Load (GL) per serving: Very Low (<1) due to minimal carbohydrate content per standard serving.
- Satiety Score: Low as a standalone food; however, its potent flavor and aroma significantly enhance the palatability and perceived satiety of meals, contributing to overall dietary satisfaction.
Physical Properties:
- Density (Raw, Peeled Clove): Approximately 1.1 g/cm³ (variable based on moisture content and cultivar).
- Volumetric Contraction After Cooking:
- Roasting/Sautéing: Typical reduction of 25-35% due to significant moisture loss, cellular breakdown, and structural collapse.
- Boiling/Steaming: Less pronounced, approximately 10-20%.
References:
- USDA FoodData Central. (n.d.). Garlic, raw (FDC ID 11215). Retrieved from https://fdc.nal.usda.gov/fdc-app.html#/food-details/11215/nutrients (Accessed [current date]).
- Key, T. J., et al. (2002). Dietary fiber, carbohydrates and glycemic index in health and disease. British Journal of Nutrition, 87(S2), S111-S113. (General consensus on GI factors)
- Block, E. (2010). Garlic and Other Alliums: The Lore and the Science. Royal Society of Chemistry.
Field Notes: Dr. Aria Vance
Subject: Garlic
Focus: Volumetric expansion/contraction, historical context, tracking challenges.
The Manual Tracking Problem with Allium Sativum
Garlic. Ah, garlic. The very soul of countless cuisines, a tiny titan of flavor, a culinary bedrock since antiquity. I find myself constantly grappling with its maddening variability when trying to achieve precise dietary tracking. What a headache!
Think of it: Roman soldiers chewed it for courage. Egyptian pyramid builders supposedly consumed it for strength, their daily rations a testament to its perceived power. Hippocrates, the father of medicine, prescribed it for everything from respiratory problems to parasitic infections. Throughout history, cultures have embraced Allium sativum not just for its pungent kick, but for its purported medicinal properties. It wards off vampires in legend, and maybe cholesterol in reality. A truly fascinating ingredient.
Yet, this fascinating ingredient is a nightmare for anyone serious about nutrient accuracy. A complete nightmare! Manual tracking of garlic is, frankly, a fool's errand. You see, the "clove" is a phantom unit. Utterly unreliable. Is it the plump, juicy behemoth from a premium organic bulb, weighing a hefty 8-10 grams? Or is it that shriveled, forlorn little nubbin found in a bargain bin mesh bag, barely tipping the scales at a single gram? The nutritional disparity between these two "cloves" is vast. Immense. Trying to track exact macros with such a capricious measurement unit is like trying to measure the quantum mechanics of a garlic clove with a rusty teaspoon. Impossible.
Then there's the preparation. Raw, pungent and potent. Roasted, sweet and mellow, its cellular structure broken down, moisture gone. Minced, crushed, sliced. Each method affects not only its flavor profile but its density, its volumetric properties, and how much of its beneficial compounds are truly bioavailable. "Two cloves, minced," the recipe demands. But is that level, heaped? Did the chef squeeze out every last drop of moisture during crushing? And what about the garlic infused into oil, only to be strained out? How much of its essence, its caloric contribution, is truly left behind? This is the kind of behavioral data, the practical kitchen chaos, that no barcode scanner, no volumetric cup, no kitchen scale can ever truly capture. It's a fundamental disconnect between culinary art and scientific precision.
This manual data collection has been a personal frustration. A constant source of error and approximation in our studies. But that's exactly why NutriSnap exists. Our forensic visual analysis is designed to slice through this culinary ambiguity. We train our AI to see the subtle differences, to account for the size variation of a "clove," to estimate the true quantity whether it's minced, roasted, or nestled subtly in a rich Bolognese. No more guesswork. Just accurate, photo-verified nutritional insights. Finally, a solution for the mighty, yet elusive, garlic clove.
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