Onions vs Flour
Nutrition comparison per 100g · USDA Foundation Foods & USDA Foundation Foods
Calories (kcal)
Protein (g)
Carbs (g)
Fat (g)
Fiber (g)
Quick answers
Which has more protein?
Flour, soy, defatted — 51.1g vs 0.940g per 100g.
Which has fewer calories?
Onions, red, raw — 44 vs 366 kcal per 100g.
Which is more nutrient-dense?
Flour, soy, defatted scores higher in more vitamins and minerals per 100g, though both foods can be part of a healthy diet.
Full Nutrition Comparison
All values per 100g edible portion. Green = Food A higher · Blue = Food B higher
| Nutrient | Onions | Flour | Diff |
|---|---|---|---|
| Energy | |||
| Energy | 44 kcal | 366 kcal | -88% |
| Macronutrients | |||
| Water | 88.6 g | 6.24 g | +1320% |
| Protein | 0.940 g | 51.1 g | -98% |
| Total lipid (fat) | 0.100 g | 3.33 g | -97% |
| Carbohydrate, by difference | 9.93 g | 32.9 g | -70% |
| Fiber, total dietary | 2.20 g | — | |
| Sugars, Total | 5.76 g | — | |
| Vitamins | |||
| Vitamin C, total ascorbic acid | 8.10 mg | — | |
| Thiamin (Vitamin B1) | — | 0.542 mg | |
| Riboflavin (Vitamin B2) | — | 0.298 mg | |
| Niacin (Vitamin B3) | — | 3.43 mg | |
| Vitamin B-6 — Pyridoxine | — | 0.618 mg | |
| Minerals | |||
| Calcium, Ca | 17.0 mg | 338 mg | -95% |
| Iron, Fe | 0.240 mg | 7.34 mg | -97% |
| Magnesium, Mg | 11.4 mg | 313 mg | -96% |
| Phosphorus, P | 41.0 mg | 726 mg | -94% |
| Potassium, K | 197 mg | 2480 mg | -92% |
| Sodium, Na | 1.00 mg | 2.00 mg | -50% |
| Zinc, Zn | 0.170 mg | 4.44 mg | -96% |
| Copper, Cu | 0.058 mg | 1.51 mg | -96% |
| Manganese, Mn | 0.119 mg | 3.81 mg | -97% |
| Selenium, Se | 0.500 ug | 45.8 ug | -99% |
| Other Nutrients | |||
| Energy (Atwater General Factors) | 44 kcal | 366 kcal | -88% |
| Energy (Atwater Specific Factors) | 42 kcal | 339 kcal | -88% |
| Energy | 186 kj | 1530 kj | -88% |
| Nitrogen | — | 8.18 g | |
| Ash | 0.430 g | 6.45 g | -93% |
| Total dietary fiber (AOAC 2011.25) | 3.97 g | 24.3 g | -84% |
| Sucrose | 1.68 g | — | |
| Glucose | 2.29 g | — | |
| Fructose | 1.79 g | — | |
| Lactose | 0 g | — | |
| Maltose | 0 g | — | |
| Iodine, I | 0 ug | — | |
| Molybdenum, Mo | — | 211 ug | |
| Biotin | 0 ug | — | |
| Betaine | — | 2.80 mg | |
| Tryptophan (EAA) | — | 0.616 g | |
| Threonine (EAA) | — | 1.97 g | |
| Isoleucine (EAA, BCAA) | — | 2.31 g | |
| Leucine (EAA, BCAA) | — | 4.11 g | |
| Lysine (EAA) | — | 3.06 g | |
| Methionine (EAA) | — | 0.622 g | |
| Phenylalanine (EAA) | — | 2.86 g | |
| Tyrosine (conditionally essential) | — | 1.74 g | |
| Valine (EAA, BCAA) | — | 2.31 g | |
| Arginine (conditionally essential) | — | 3.93 g | |
| Histidine (EAA) | — | 1.27 g | |
| Alanine | — | 2.86 g | |
| Aspartic acid | — | 4.98 g | |
| Glutamic acid | — | 9.08 g | |
| Glycine (conditionally essential) | — | 1.79 g | |
| Proline (conditionally essential) | — | 2.84 g | |
| Serine | — | 2.70 g | |
| Hydroxyproline | — | 0.176 g | |
| Cysteine | — | 1.01 g | |
| Daidzein | — | 64.5 mg | |
| Genistein | — | 87.3 mg | |
| Choline | |||
| Choline from glycerophoshocholine | — | 7.00 mg | |
| Choline from phosphatidylcholine | — | 63.0 mg | |
| Choline from phosphocholine | — | 1.50 mg | |
| Choline from sphingomyelin | — | 0.800 mg | |
| Free Choline | — | 120 mg | |
| Total Choline | — | 190 mg | |
| Isoflavones | |||
| Total isoflavones | — | 151 mg | |
* All values per 100g edible portion. Source: USDA Foundation Foods and USDA Foundation Foods. Diff column shows percentage difference relative to Food B.
Dig deeper — biggest differences
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