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Fajita vs. Onion — In-Depth Nutrition Comparison

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A recap on differences between fajita and onions

  • Onions have less phosphorus, selenium, vitamin B3, vitamin B12, vitamin B6, vitamin B2, vitamin B5, and choline.
  • Fajita covers your daily phosphorus needs 35% more than onions.
  • The glycemic index of fajita is higher.

Food varieties used in this article are USDA Commodity, chicken fajita strips, frozen and Onions, raw.

Infographic

Fajita vs Onion 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.
Fajita
6
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 3.9% 25% 37% 10% 37% 119% 104% 8.6% 91%
Onion
4
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 +120%
Contains more PotassiumPotassium +94.5%
Contains more IronIron +371.4%
Contains more ZincZinc +705.9%
Contains more PhosphorusPhosphorus +855.2%
Contains more SeleniumSelenium +3240%
Contains more CalciumCalcium +76.9%
Contains more CopperCopper +30%
Contains less SodiumSodium -99.5%
Contains more ManganeseManganese +95.5%

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.
Fajita
8
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 0% 0% 4.4% 0% 25% 49% 90% 44% 89% 68% 0.5% 3% 37%
Onion
3
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 EVitamin E +1000%
Contains more Vitamin B1Vitamin B1 +117.4%
Contains more Vitamin B2Vitamin B2 +688.9%
Contains more Vitamin B3Vitamin B3 +4019.8%
Contains more Vitamin B5Vitamin B5 +490.2%
Contains more Vitamin B6Vitamin B6 +222.5%
Contains more Vitamin B12Vitamin B12 +∞%
Contains more CholineCholine +1011.5%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin KVitamin K +100%
Contains more FolateFolate +375%
~equal in Vitamin A ~0µg
~equal in Vitamin D ~0µg

All nutrients comparison - raw data values

Nutrient Fajita Onion DV% diff.
Protein 18.56g 1.1g 35%
Sodium 799mg 4mg 35%
Phosphorus 277mg 29mg 35%
Vitamin B3 4.779mg 0.116mg 29%
Cholesterol 88mg 0mg 29%
Selenium 16.7µg 0.5µg 29%
Vitamin B12 0.54µg 0µg 23%
Vitamin B6 0.387mg 0.12mg 21%
Vitamin B2 0.213mg 0.027mg 14%
Vitamin B5 0.726mg 0.123mg 12%
Choline 67.8mg 6.1mg 11%
Zinc 1.37mg 0.17mg 11%
Iron 0.99mg 0.21mg 10%
Fats 5.73g 0.1g 9%
Vitamin C 0mg 7.4mg 8%
Saturated fat 1.596g 0.042g 7%
Fiber 0g 1.7g 7%
Polyunsaturated fat 1.089g 0.017g 7%
Monounsaturated fat 2.333g 0.013g 6%
Calories 135kcal 40kcal 5%
Vitamin B1 0.1mg 0.046mg 5%
Potassium 284mg 146mg 4%
Folate 4µg 19µg 4%
Magnesium 22mg 10mg 3%
Manganese 0.066mg 0.129mg 3%
Fructose 1.29g 2%
Carbs 2.23g 9.34g 2%
Vitamin E 0.22mg 0.02mg 1%
Copper 0.03mg 0.039mg 1%
Calcium 13mg 23mg 1%
Net carbs 2.23g 7.64g N/A
Sugar 0g 4.24g N/A
Vitamin K 0.2µg 0.4µg 0%
Tryptophan 0.2mg 0.014mg 0%
Threonine 0.452mg 0.021mg 0%
Isoleucine 0.813mg 0.014mg 0%
Leucine 1.56mg 0.025mg 0%
Lysine 1.857mg 0.039mg 0%
Methionine 0.552mg 0.002mg 0%
Phenylalanine 0.763mg 0.025mg 0%
Valine 0.847mg 0.021mg 0%
Histidine 0.68mg 0.014mg 0%
Omega-3 - DPA 0.007g 0g N/A
Omega-6 - Eicosadienoic acid 0.01g 0g N/A

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Fajita
3
19% 6% 2% 71% 3%
Protein: 18.56 g
Fats: 5.73 g
Carbs: 2.23 g
Water: 70.6 g
Other: 2.88 g
Onion
2
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 +1587.3%
Contains more FatsFats +5630%
Contains more OtherOther +722.9%
Contains more CarbsCarbs +318.8%
Contains more WaterWater +26.2%

Fat Type Comparison

Fat type breakdown side-by-side comparison
Fajita
2
32% 46% 22%
Saturated fat: Sat. Fat 1.596 g
Monounsaturated fat: Mono. Fat 2.333 g
Polyunsaturated fat: Poly. Fat 1.089 g
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 +17846.2%
Contains more Poly. FatPolyunsaturated fat +6305.9%
Contains less Sat. FatSaturated fat -97.4%

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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. 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.