Crab vs. Onion — In-Depth Nutrition Comparison
Compare
Summary of differences between crab and onions
- The amount of vitamin B12, copper, selenium, zinc, phosphorus, vitamin B5, vitamin B3, and choline in crab is higher than in onions.
- Crab covers your daily need for vitamin B12, 139% more than onions.
- Crab has a lower glycemic index. The glycemic index of crab is 0, while the glycemic index of onions is 15.
These are the specific foods used in this comparison Crustaceans, crab, blue, canned and Onions, raw.
Infographic
Infographic link
Mineral Comparison
Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more MagnesiumMagnesium | +260% |
| Contains more CalciumCalcium | +295.7% |
| Contains more PotassiumPotassium | +77.4% |
| Contains more IronIron | +138.1% |
| Contains more CopperCopper | +1987.2% |
| Contains more ZincZinc | +2141.2% |
| Contains more PhosphorusPhosphorus | +706.9% |
| Contains more SeleniumSelenium | +8480% |
| Contains less SodiumSodium | -99.3% |
| Contains more ManganeseManganese | +74.3% |
Vitamin Comparison
Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more Vitamin AVitamin A | +∞% |
| Contains more Vitamin EVitamin E | +9100% |
| Contains more Vitamin B2Vitamin B2 | +244.4% |
| Contains more Vitamin B3Vitamin B3 | +2268.1% |
| Contains more Vitamin B5Vitamin B5 | +710.6% |
| Contains more Vitamin B6Vitamin B6 | +30% |
| Contains more Vitamin B12Vitamin B12 | +∞% |
| Contains more FolateFolate | +168.4% |
| Contains more CholineCholine | +1226.2% |
| Contains more Vitamin CVitamin C | +124.2% |
| Contains more Vitamin B1Vitamin B1 | +100% |
| Contains more Vitamin KVitamin K | +33.3% |
All nutrients comparison - raw data values
| Nutrient |  |
 |
DV% diff. |
| Vitamin B12 | 3.33µg | 0µg | 139% |
| Copper | 0.814mg | 0.039mg | 86% |
| Selenium | 42.9µg | 0.5µg | 77% |
| Protein | 17.88g | 1.1g | 34% |
| Zinc | 3.81mg | 0.17mg | 33% |
| Cholesterol | 97mg | 0mg | 32% |
| Phosphorus | 234mg | 29mg | 29% |
| Sodium | 563mg | 4mg | 24% |
| Vitamin B5 | 0.997mg | 0.123mg | 17% |
| Vitamin B3 | 2.747mg | 0.116mg | 16% |
| Choline | 80.9mg | 6.1mg | 14% |
| Vitamin E | 1.84mg | 0.02mg | 12% |
| Folate | 51µg | 19µg | 8% |
| Calcium | 91mg | 23mg | 7% |
| Fiber | 0g | 1.7g | 7% |
| Magnesium | 36mg | 10mg | 6% |
| Vitamin C | 3.3mg | 7.4mg | 5% |
| Vitamin B2 | 0.093mg | 0.027mg | 5% |
| Iron | 0.5mg | 0.21mg | 4% |
| Potassium | 259mg | 146mg | 3% |
| Carbs | 0g | 9.34g | 3% |
| Vitamin B6 | 0.156mg | 0.12mg | 3% |
| Polyunsaturated fat | 0.258g | 0.017g | 2% |
| Fructose | 0g | 1.29g | 2% |
| Calories | 83kcal | 40kcal | 2% |
| Vitamin B1 | 0.023mg | 0.046mg | 2% |
| Manganese | 0.074mg | 0.129mg | 2% |
| Fats | 0.74g | 0.1g | 1% |
| Saturated fat | 0.201g | 0.042g | 1% |
| Net carbs | 0g | 7.64g | N/A |
| Sugar | 0g | 4.24g | N/A |
| Vitamin A | 1µg | 0µg | 0% |
| Vitamin K | 0.3µg | 0.4µg | 0% |
| Trans fat | 0.014g | 0g | N/A |
| Monounsaturated fat | 0.129g | 0.013g | 0% |
| Tryptophan | 0.226mg | 0.014mg | 0% |
| Threonine | 0.727mg | 0.021mg | 0% |
| Isoleucine | 0.776mg | 0.014mg | 0% |
| Leucine | 1.307mg | 0.025mg | 0% |
| Lysine | 1.386mg | 0.039mg | 0% |
| Methionine | 0.452mg | 0.002mg | 0% |
| Phenylalanine | 0.708mg | 0.025mg | 0% |
| Valine | 0.806mg | 0.021mg | 0% |
| Histidine | 0.393mg | 0.014mg | 0% |
| Omega-3 - EPA | 0.101g | 0g | N/A |
| Omega-3 - DHA | 0.067g | 0g | N/A |
| Omega-3 - DPA | 0.009g | 0g | N/A |
| Omega-6 - Eicosadienoic acid | 0.005g | 0g | N/A |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
| Contains more ProteinProtein | +1525.5% |
| Contains more FatsFats | +640% |
| Contains more OtherOther | +382.9% |
| Contains more CarbsCarbs | +∞% |
| Contains more WaterWater | +11.8% |
Fat Type Comparison
Fat type breakdown side-by-side comparison
| Contains more Mono. FatMonounsaturated fat | +892.3% |
| Contains more Poly. FatPolyunsaturated fat | +1417.6% |
| Contains less Sat. FatSaturated fat | -79.1% |
