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Onion vs. Water chestnuts — In-Depth Nutrition Comparison

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Significant differences between Onion and Water chestnuts

  • The amount of Copper, Vitamin B6, Vitamin B2, Potassium, Manganese, Vitamin E, Vitamin B1, Vitamin B5, Vitamin B3, and Choline in Water chestnuts are higher than in Onion.
  • Water chestnuts covers your daily Copper needs 32% more than Onion.

Specific food types used in this comparison are Onions, raw and Waterchestnuts, chinese, (matai), raw.

Infographic

Onion vs Water chestnuts 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.
Onion
3
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%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 16% 3.3% 52% 2.3% 109% 14% 27% 1.8% 43% 3.8%
Contains more CalciumCalcium +109.1%
Contains more IronIron +250%
Contains less SodiumSodium -71.4%
Contains more MagnesiumMagnesium +120%
Contains more PotassiumPotassium +300%
Contains more CopperCopper +735.9%
Contains more ZincZinc +194.1%
Contains more PhosphorusPhosphorus +117.2%
Contains more ManganeseManganese +156.6%
Contains more SeleniumSelenium +40%

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
4
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%
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 13% 0% 24% 0% 35% 46% 19% 29% 76% 0% 0.75% 12% 20%
Contains more Vitamin CVitamin C +85%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin KVitamin K +33.3%
Contains more FolateFolate +18.8%
Contains more Vitamin EVitamin E +5900%
Contains more Vitamin B1Vitamin B1 +204.3%
Contains more Vitamin B2Vitamin B2 +640.7%
Contains more Vitamin B3Vitamin B3 +762.1%
Contains more Vitamin B5Vitamin B5 +289.4%
Contains more Vitamin B6Vitamin B6 +173.3%
Contains more CholineCholine +493.4%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
1
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
24% 73%
Protein: 1.4 g
Fats: 0.1 g
Carbs: 23.94 g
Water: 73.46 g
Other: 1.1 g
Contains more WaterWater +21.3%
Contains more ProteinProtein +27.3%
Contains more CarbsCarbs +156.3%
Contains more OtherOther +214.3%
~equal in Fats ~0.1g

Fat Type Comparison

Fat type breakdown side-by-side comparison
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
37% 3% 61%
Saturated Fat: Sat. Fat 0.026 g
Monounsaturated Fat: Mono. Fat 0.002 g
Polyunsaturated fat: Poly. Fat 0.043 g
Contains more Mono. FatMonounsaturated Fat +550%
Contains less Sat. FatSaturated Fat -38.1%
Contains more Poly. FatPolyunsaturated fat +152.9%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Onion Water chestnuts Opinion
Calories 40kcal 97kcal Water chestnuts
Protein 1.1g 1.4g Water chestnuts
Fats 0.1g 0.1g
Vitamin C 7.4mg 4mg Onion
Net carbs 7.64g 20.94g Water chestnuts
Carbs 9.34g 23.94g Water chestnuts
Magnesium 10mg 22mg Water chestnuts
Calcium 23mg 11mg Onion
Potassium 146mg 584mg Water chestnuts
Iron 0.21mg 0.06mg Onion
Sugar 4.24g 4.8g Onion
Fiber 1.7g 3g Water chestnuts
Copper 0.039mg 0.326mg Water chestnuts
Zinc 0.17mg 0.5mg Water chestnuts
Phosphorus 29mg 63mg Water chestnuts
Sodium 4mg 14mg Onion
Vitamin A 2IU 0IU Onion
Vitamin E 0.02mg 1.2mg Water chestnuts
Manganese 0.129mg 0.331mg Water chestnuts
Selenium 0.5µg 0.7µg Water chestnuts
Vitamin B1 0.046mg 0.14mg Water chestnuts
Vitamin B2 0.027mg 0.2mg Water chestnuts
Vitamin B3 0.116mg 1mg Water chestnuts
Vitamin B5 0.123mg 0.479mg Water chestnuts
Vitamin B6 0.12mg 0.328mg Water chestnuts
Vitamin K 0.4µg 0.3µg Onion
Folate 19µg 16µg Onion
Choline 6.1mg 36.2mg Water chestnuts
Saturated Fat 0.042g 0.026g Water chestnuts
Monounsaturated Fat 0.013g 0.002g Onion
Polyunsaturated fat 0.017g 0.043g Water chestnuts
Tryptophan 0.014mg Onion
Threonine 0.021mg Onion
Isoleucine 0.014mg Onion
Leucine 0.025mg Onion
Lysine 0.039mg Onion
Methionine 0.002mg Onion
Phenylalanine 0.025mg Onion
Valine 0.021mg Onion
Histidine 0.014mg Onion
Fructose 1.29g Onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion Water chestnuts
Low Calories diet ok
Low Fats diet Equal
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
21%
Water chestnuts
Minerals Daily Need Coverage Score
8%
Onion
27%
Water chestnuts

Comparison summary

Which food is lower in Saturated Fat?
Water chestnuts
Water chestnuts is lower in Saturated Fat (difference - 0.016g)
Which food is lower in glycemic index?
Water chestnuts
Water chestnuts is lower in glycemic index (difference - 15)
Which food is cheaper?
Water chestnuts
Water chestnuts is cheaper (difference - $0.2)
Which food is richer in minerals?
Water chestnuts
Water chestnuts is relatively richer in minerals
Which food is lower in Sugar?
Onion
Onion is lower in Sugar (difference - 0.56g)
Which food contains less Sodium?
Onion
Onion contains less Sodium (difference - 10mg)
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is richer in vitamins?
?
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. Water chestnuts - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170066/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.