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Onion vs. Celery — In-Depth Nutrition Comparison

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A recap on differences between onion and celery

  • Onion has less vitamin K.
  • Celery covers your daily vitamin K needs 24% more than onion.
  • Celery contains 3 times less Sugar than onion. Onion contains 4.24g of Sugar, while celery contains 1.34g.
  • Celery has less sugar.
  • The glycemic index of celery is higher.

Food varieties used in this article are Onions, raw and Celery, raw.

Infographic

Onion vs Celery 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.
Onion
6
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%
Celery
2
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.9% 12% 23% 7.5% 12% 3.5% 10% 10% 13% 2.2%
Contains more CopperCopper +11.4%
Contains more ZincZinc +30.8%
Contains more PhosphorusPhosphorus +20.8%
Contains less SodiumSodium -95%
Contains more ManganeseManganese +25.2%
Contains more SeleniumSelenium +25%
Contains more CalciumCalcium +73.9%
Contains more PotassiumPotassium +78.1%
~equal in Magnesium ~11mg
~equal in Iron ~0.2mg

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.
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% 0.12% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
Celery
7
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 10% 27% 5.4% 0% 5.3% 13% 6% 15% 17% 0% 73% 27% 3.3%
Contains more Vitamin CVitamin C +138.7%
Contains more Vitamin B1Vitamin B1 +119%
Contains more Vitamin B6Vitamin B6 +62.2%
Contains more Vitamin AVitamin A +22350%
Contains more Vitamin EVitamin E +1250%
Contains more Vitamin B2Vitamin B2 +111.1%
Contains more Vitamin B3Vitamin B3 +175.9%
Contains more Vitamin B5Vitamin B5 +100%
Contains more Vitamin KVitamin K +7225%
Contains more FolateFolate +89.5%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg
~equal in Choline ~6.1mg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
2
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
Celery
3
3% 95%
Protein: 0.69 g
Fats: 0.17 g
Carbs: 2.97 g
Water: 95.43 g
Other: 0.74 g
Contains more ProteinProtein +59.4%
Contains more CarbsCarbs +214.5%
Contains more FatsFats +70%
Contains more OtherOther +111.4%
~equal in Water ~95.43g

Fat Type Comparison

Fat type breakdown side-by-side comparison
Onion
0
58% 18% 24%
Saturated Fat: Sat. Fat 0.042 g
Monounsaturated Fat: Mono. Fat 0.013 g
Polyunsaturated fat: Poly. Fat 0.017 g
Celery
2
27% 21% 52%
Saturated Fat: Sat. Fat 0.042 g
Monounsaturated Fat: Mono. Fat 0.032 g
Polyunsaturated fat: Poly. Fat 0.079 g
Contains more Mono. FatMonounsaturated Fat +146.2%
Contains more Poly. FatPolyunsaturated fat +364.7%
~equal in Saturated Fat ~0.042g

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
3
23% 46% 30%
Starch: 0 g
Sucrose: 0.99 g
Glucose: 1.97 g
Fructose: 1.29 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Celery
1
6% 30% 28% 36%
Starch: 0 g
Sucrose: 0.08 g
Glucose: 0.4 g
Fructose: 0.37 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0.48 g
Contains more SucroseSucrose +1137.5%
Contains more GlucoseGlucose +392.5%
Contains more FructoseFructose +248.6%
Contains more GalactoseGalactose +∞%
~equal in Starch ~0g
~equal in Lactose ~0g
~equal in Maltose ~0g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Onion Celery Opinion
Calories 40kcal 16kcal Onion
Protein 1.1g 0.69g Onion
Fats 0.1g 0.17g Celery
Vitamin C 7.4mg 3.1mg Onion
Net carbs 7.64g 1.37g Onion
Carbs 9.34g 2.97g Onion
Magnesium 10mg 11mg Celery
Calcium 23mg 40mg Celery
Potassium 146mg 260mg Celery
Iron 0.21mg 0.2mg Onion
Sugar 4.24g 1.34g Celery
Fiber 1.7g 1.6g Onion
Copper 0.039mg 0.035mg Onion
Zinc 0.17mg 0.13mg Onion
Phosphorus 29mg 24mg Onion
Sodium 4mg 80mg Onion
Vitamin A 2IU 449IU Celery
Vitamin A 0µg 22µg Celery
Vitamin E 0.02mg 0.27mg Celery
Manganese 0.129mg 0.103mg Onion
Selenium 0.5µg 0.4µg Onion
Vitamin B1 0.046mg 0.021mg Onion
Vitamin B2 0.027mg 0.057mg Celery
Vitamin B3 0.116mg 0.32mg Celery
Vitamin B5 0.123mg 0.246mg Celery
Vitamin B6 0.12mg 0.074mg Onion
Vitamin K 0.4µg 29.3µg Celery
Folate 19µg 36µg Celery
Choline 6.1mg 6.1mg
Saturated Fat 0.042g 0.042g
Monounsaturated Fat 0.013g 0.032g Celery
Polyunsaturated fat 0.017g 0.079g Celery
Tryptophan 0.014mg 0.009mg Onion
Threonine 0.021mg 0.02mg Onion
Isoleucine 0.014mg 0.021mg Celery
Leucine 0.025mg 0.032mg Celery
Lysine 0.039mg 0.027mg Onion
Methionine 0.002mg 0.005mg Celery
Phenylalanine 0.025mg 0.02mg Onion
Valine 0.021mg 0.027mg Celery
Histidine 0.014mg 0.012mg Onion
Fructose 1.29g 0.37g Onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion Celery
Low Calories diet ok
Low Fats diet ok
Low Carbs 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
8%
Onion
16%
Celery
Minerals Daily Need Coverage Score
8%
Onion
10%
Celery

Comparison summary

Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 76mg)
Which food is lower in glycemic index?
Onion
Onion is lower in glycemic index (difference - 17)
Which food is cheaper?
Onion
Onion is cheaper (difference - $0.4)
Which food is lower in Sugar?
Celery
Celery is lower in Sugar (difference - 2.9g)
Which food is richer in vitamins?
Celery
Celery is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food contains less Saturated Fat?
?
The foods are relatively equal in Saturated Fat (0.042 g)
Which food is richer in minerals?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

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
  2. Celery - https://fdc.nal.usda.gov/fdc-app.html#/food-details/169988/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.