Cowpea (Black-eyed pea) vs. Onion — In-Depth Nutrition Comparison
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A recap on differences between cowpea (Black-eyed pea) and onions
- Cowpea (Black-eyed pea) has more folate, iron, copper, fiber, phosphorus, manganese, vitamin B1, magnesium, and zinc; however, onions are higher in vitamin C.
- Cowpea (Black-eyed pea) covers your daily folate needs 47% more than onions.
- Onions contain 12 times less iron than cowpea (Black-eyed pea). Cowpea (Black-eyed pea) contains 2.51mg of iron, while onions contain 0.21mg.
- The glycemic index of cowpea (Black-eyed pea) is higher.
Food varieties used in this article are Cowpeas, common (blackeyes, crowder, southern), mature seeds, cooked, boiled, without salt and Onions, raw.
Infographic
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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 | +430% |
| Contains more PotassiumPotassium | +90.4% |
| Contains more IronIron | +1095.2% |
| Contains more CopperCopper | +587.2% |
| Contains more ZincZinc | +658.8% |
| Contains more PhosphorusPhosphorus | +437.9% |
| Contains more ManganeseManganese | +268.2% |
| Contains more SeleniumSelenium | +400% |
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 | +1300% |
| Contains more Vitamin B1Vitamin B1 | +339.1% |
| Contains more Vitamin B2Vitamin B2 | +103.7% |
| Contains more Vitamin B3Vitamin B3 | +326.7% |
| Contains more Vitamin B5Vitamin B5 | +234.1% |
| Contains more Vitamin KVitamin K | +325% |
| Contains more FolateFolate | +994.7% |
| Contains more CholineCholine | +427.9% |
| Contains more Vitamin CVitamin C | +1750% |
| Contains more Vitamin B6Vitamin B6 | +20% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
Protein:
7.73 g
Fats:
0.53 g
Carbs:
20.76 g
Water:
70.04 g
Other:
0.94 g
Protein:
1.1 g
Fats:
0.1 g
Carbs:
9.34 g
Water:
89.11 g
Other:
0.35 g
| Contains more ProteinProtein | +602.7% |
| Contains more FatsFats | +430% |
| Contains more CarbsCarbs | +122.3% |
| Contains more OtherOther | +168.6% |
| Contains more WaterWater | +27.2% |
Fat Type Comparison
Fat type breakdown side-by-side comparison
Saturated fat:
Sat. Fat
0.138 g
Monounsaturated fat:
Mono. Fat
0.044 g
Polyunsaturated fat:
Poly. Fat
0.225 g
Saturated fat:
Sat. Fat
0.042 g
Monounsaturated fat:
Mono. Fat
0.013 g
Polyunsaturated fat:
Poly. Fat
0.017 g
| Contains more Mono. FatMonounsaturated fat | +238.5% |
| Contains more Poly. FatPolyunsaturated fat | +1223.5% |
| Contains less Sat. FatSaturated fat | -69.6% |
Comparison summary table
Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
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| Lower in Saturated fat |
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| Lower in Glycemic Index |
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| Lower in price |
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| Lower in Sugar |
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| Rich in minerals |
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| Rich in vitamins |
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| Lower in Cholesterol | Equal | ||
| Lower in Sodium | Equal | ||
All nutrients comparison - raw data values
| Nutrient | |
|
DV% diff. |
| Folate | 208µg | 19µg | 47% |
| Iron | 2.51mg | 0.21mg | 29% |
| Copper | 0.268mg | 0.039mg | 25% |
| Fiber | 6.5g | 1.7g | 19% |
| Phosphorus | 156mg | 29mg | 18% |
| Manganese | 0.475mg | 0.129mg | 15% |
| Vitamin B1 | 0.202mg | 0.046mg | 13% |
| Protein | 7.73g | 1.1g | 13% |
| Magnesium | 53mg | 10mg | 10% |
| Zinc | 1.29mg | 0.17mg | 10% |
| Vitamin C | 0.4mg | 7.4mg | 8% |
| Vitamin B5 | 0.411mg | 0.123mg | 6% |
| Choline | 32.2mg | 6.1mg | 5% |
| Selenium | 2.5µg | 0.5µg | 4% |
| Calories | 116kcal | 40kcal | 4% |
| Carbs | 20.76g | 9.34g | 4% |
| Potassium | 278mg | 146mg | 4% |
| Fructose | 1.29g | 2% | |
| Vitamin E | 0.28mg | 0.02mg | 2% |
| Vitamin B2 | 0.055mg | 0.027mg | 2% |
| Vitamin B3 | 0.495mg | 0.116mg | 2% |
| Vitamin B6 | 0.1mg | 0.12mg | 2% |
| Polyunsaturated fat | 0.225g | 0.017g | 1% |
| Vitamin K | 1.7µg | 0.4µg | 1% |
| Fats | 0.53g | 0.1g | 1% |
| Net carbs | 14.26g | 7.64g | N/A |
| Calcium | 24mg | 23mg | 0% |
| Sugar | 3.3g | 4.24g | N/A |
| Sodium | 4mg | 4mg | 0% |
| Vitamin A | 1µg | 0µg | 0% |
| Saturated fat | 0.138g | 0.042g | 0% |
| Monounsaturated fat | 0.044g | 0.013g | 0% |
| Tryptophan | 0.095mg | 0.014mg | 0% |
| Threonine | 0.294mg | 0.021mg | 0% |
| Isoleucine | 0.314mg | 0.014mg | 0% |
| Leucine | 0.592mg | 0.025mg | 0% |
| Lysine | 0.523mg | 0.039mg | 0% |
| Methionine | 0.11mg | 0.002mg | 0% |
| Phenylalanine | 0.451mg | 0.025mg | 0% |
| Valine | 0.368mg | 0.021mg | 0% |
| Histidine | 0.24mg | 0.014mg | 0% |
Which food is preferable for your diet?
is better in case of low diet
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| Low Calories diet |
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| Low Fats diet |
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| Low Carbs diet |
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| Low Glycemic Index diet |
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Vitamins & Minerals Daily Need Coverage Score
The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
23%
8%
Minerals Daily Need Coverage Score
43%
8%
Comparison summary
Which food is lower in Saturated fat?
Onion is lower in Saturated fat (difference - 0.096g)
Which food is lower in glycemic index?
Onion is lower in glycemic index (difference - 37)
Which food is cheaper?
Onion is cheaper (difference - $1.8)
Which food is lower in Sugar?
Cowpea (Black-eyed pea) is lower in Sugar (difference - 0.94g)
Which food is richer in minerals?
Cowpea (Black-eyed pea) is relatively richer in minerals
Which food is richer in vitamins?
Cowpea (Black-eyed pea) is relatively richer in vitamins
Which food contains less Cholesterol?
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The foods are relatively equal in Cholesterol (0 mg)
Which food contains less Sodium?
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The foods are relatively equal in Sodium (4 mg)