Foodstruct Nutrition Search | Diet Analysis | Food Comparison | Glycemic Index Chart | Insulin Index Chart | Blog | Subscribe | Sign Up
  1. Home
  2. Foods
  3. Grains
  4. Cowpea (Black-eyed pea)
  5. Compare
  6. Cowpea (Black-eyed pea) vs. Onion

Cowpea (Black-eyed pea) vs. Onion — In-Depth Nutrition Comparison

Compare

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

Cowpea (Black-eyed pea) vs Onion 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 38% 7.2% 25% 94% 89% 35% 67% 0.52% 62% 14%
Onion
Onion
0
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 6.9% 13% 7.9% 13% 4.6% 12% 0.52% 17% 2.7%
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%
~equal in Calcium ~23mg
~equal in Sodium ~4mg

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.
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 1.3% 0.33% 5.6% 0% 51% 13% 9.3% 25% 23% 0% 4.3% 156% 18%
Onion
Onion
2
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 25% 0% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
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%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

All nutrients comparison - raw data values

Nutrient Cowpea (Black-eyed pea) Onion 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%

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
8% 21% 70%
Protein: 7.73 g
Fats: 0.53 g
Carbs: 20.76 g
Water: 70.04 g
Other: 0.94 g
Onion
Onion
1
9% 89%
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
34% 11% 55%
Saturated fat: Sat. Fat 0.138 g
Monounsaturated fat: Mono. Fat 0.044 g
Polyunsaturated fat: Poly. Fat 0.225 g
Onion
Onion
1
58% 18% 24%
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%

People also compare

Cowpea (Black-eyed pea)
Cowpea (Black-eyed pea) vs Bean raw
Bean raw
Cowpea (Black-eyed pea)
Cowpea (Black-eyed pea) vs Chickpea raw
Chickpea raw
Cowpea (Black-eyed pea)
Cowpea (Black-eyed pea) vs Pea raw
Pea raw
Onion
Onion vs Chives
Chives
Onion
Onion vs Parsley
Parsley
Onion
Onion vs Radish
Radish

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Cowpea (Black-eyed pea) - https://fdc.nal.usda.gov/fdc-app.html#/food-details/173759/nutrients
  2. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.