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  6. Sweet onion vs. Peppers

Sweet onion vs. Peppers — In-Depth Nutrition Comparison

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The main differences between Sweet onion and Peppers

  • Sweet onion contains less Vitamin C, Copper, Iron, Vitamin K, Vitamin B6, Manganese, Vitamin A RAE, Potassium, Vitamin B2, and Vitamin B3 than Peppers.
  • Daily need coverage for Vitamin C from Peppers is 264% higher.

Food types used in this article are Onions, sweet, raw and Peppers, hot chili, green, raw.

Infographic

Sweet onion vs Peppers 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.
Sweet onion
Sweet onion
1
:
8
Peppers
Peppers
Contains more Calcium +11.1%
Contains more Iron +361.5%
Contains more Magnesium +177.8%
Contains more Phosphorus +70.4%
Contains more Potassium +185.7%
Contains less Sodium -12.5%
Contains more Zinc +130.8%
Contains more Copper +210.7%
Contains more Manganese +211.8%
Equal in Calcium - 18
Equal in Selenium - 0.5
Sweet onion
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 6% 10% 7% 12% 11% 2% 4% 19% 10% 3%
Peppers
Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc Copper Manganese Selenium 6% 45% 18% 20% 30% 1% 9% 58% 31% 3%
Contains more Calcium +11.1%
Contains more Iron +361.5%
Contains more Magnesium +177.8%
Contains more Phosphorus +70.4%
Contains more Potassium +185.7%
Contains less Sodium -12.5%
Contains more Zinc +130.8%
Contains more Copper +210.7%
Contains more Manganese +211.8%
Equal in Calcium - 18
Equal in Selenium - 0.5

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.
Sweet onion
Sweet onion
1
:
9
Peppers
Peppers
Contains more Vitamin B5 +60.7%
Contains more Vitamin A +117800%
Contains more Vitamin E +3350%
Contains more Vitamin C +4952.1%
Contains more Vitamin B1 +119.5%
Contains more Vitamin B2 +350%
Contains more Vitamin B3 +614.3%
Contains more Vitamin B6 +113.8%
Contains more Vitamin K +4666.7%
Equal in Folate - 23
Sweet onion
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 1% 1% 0% 16% 11% 5% 3% 6% 30% 18% 0% 1%
Peppers
Vitamin A Vitamin E Vitamin D Vitamin C Vitamin B1 Vitamin B2 Vitamin B3 Vitamin B5 Vitamin B6 Folate Vitamin B12 Vitamin K 71% 14% 0% 809% 23% 21% 18% 4% 65% 18% 0% 36%
Contains more Vitamin B5 +60.7%
Contains more Vitamin A +117800%
Contains more Vitamin E +3350%
Contains more Vitamin C +4952.1%
Contains more Vitamin B1 +119.5%
Contains more Vitamin B2 +350%
Contains more Vitamin B3 +614.3%
Contains more Vitamin B6 +113.8%
Contains more Vitamin K +4666.7%
Equal in Folate - 23

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Sweet onion
Sweet onion
1
:
4
Peppers
Peppers
Contains more Protein +150%
Contains more Fats +150%
Contains more Carbs +25.3%
Contains more Other +81.8%
Equal in Water - 87.74
Sweet onion
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
Peppers
2% 9% 88%
Protein: 2 g
Fats: 0.2 g
Carbs: 9.46 g
Water: 87.74 g
Other: 0.6 g
Contains more Protein +150%
Contains more Fats +150%
Contains more Carbs +25.3%
Contains more Other +81.8%
Equal in Water - 87.74

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Sweet onion Peppers
Lower in Sugar ok
Lower in Saturated Fat ok
Lower in Glycemic Index ok
Lower in price ok
Lower in Sodium ok
Rich in minerals ok
Rich in vitamins ok
Lower in Cholesterol Equal

All nutrients comparison - raw data values

Nutrient Sweet onion Peppers Opinion
Net carbs 6.65g 7.96g Peppers
Protein 0.8g 2g Peppers
Fats 0.08g 0.2g Peppers
Carbs 7.55g 9.46g Peppers
Calories 32kcal 40kcal Peppers
Fructose 2.02g Sweet onion
Sugar 5.02g 5.1g Sweet onion
Fiber 0.9g 1.5g Peppers
Calcium 20mg 18mg Sweet onion
Iron 0.26mg 1.2mg Peppers
Magnesium 9mg 25mg Peppers
Phosphorus 27mg 46mg Peppers
Potassium 119mg 340mg Peppers
Sodium 8mg 7mg Peppers
Zinc 0.13mg 0.3mg Peppers
Copper 0.056mg 0.174mg Peppers
Manganese 0.076mg 0.237mg Peppers
Selenium 0.5µg 0.5µg
Vitamin A 1IU 1179IU Peppers
Vitamin A RAE 0µg 59µg Peppers
Vitamin E 0.02mg 0.69mg Peppers
Vitamin C 4.8mg 242.5mg Peppers
Vitamin B1 0.041mg 0.09mg Peppers
Vitamin B2 0.02mg 0.09mg Peppers
Vitamin B3 0.133mg 0.95mg Peppers
Vitamin B5 0.098mg 0.061mg Sweet onion
Vitamin B6 0.13mg 0.278mg Peppers
Folate 23µg 23µg
Vitamin K 0.3µg 14.3µg Peppers
Tryptophan 0.009mg 0.026mg Peppers
Threonine 0.018mg 0.074mg Peppers
Isoleucine 0.014mg 0.065mg Peppers
Leucine 0.025mg 0.105mg Peppers
Lysine 0.033mg 0.089mg Peppers
Methionine 0.009mg 0.024mg Peppers
Phenylalanine 0.024mg 0.062mg Peppers
Valine 0.02mg 0.084mg Peppers
Histidine 0.011mg 0.041mg Peppers
Saturated Fat 0.021g Sweet onion
Monounsaturated Fat 0.011g Peppers
Polyunsaturated fat 0.109g Peppers

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet onion Peppers
Low Fats diet ok
Low Carbs diet ok
Low Calories diet ok
Low Glycemic Index diet ok

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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
7%
Sweet onion
90%
Peppers
Minerals Daily Need Coverage Score
8%
Sweet onion
22%
Peppers

Comparison summary

Which food is lower in Sugar?
Sweet onion
Sweet onion is lower in Sugar (difference - 0.08g)
Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.021g)
Which food is lower in glycemic index?
Sweet onion
Sweet onion is lower in glycemic index (difference - 10)
Which food is cheaper?
Sweet onion
Sweet onion is cheaper (difference - $1)
Which food contains less Sodium?
Peppers
Peppers contains less Sodium (difference - 1mg)
Which food is richer in minerals?
Peppers
Peppers is relatively richer in minerals
Which food is richer in vitamins?
Peppers
Peppers is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)

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. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients
  2. Peppers - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170497/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.