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Soybean vs. Buckwheat — In-Depth Nutrition Comparison

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How are Soybean and Buckwheat different?

  • Soybean has more Iron, Copper, Phosphorus, Vitamin B2, Manganese, Vitamin K, Fiber, Potassium, Vitamin B6, and Folate than Buckwheat.
  • Daily need coverage for Iron from Soybean is 54% higher.
  • Soybean contains 10 times more Vitamin K than Buckwheat. While Soybean contains 19.2µg of Vitamin K, Buckwheat contains only 1.9µg.

Soybeans, mature cooked, boiled, without salt and Buckwheat groats, roasted, cooked are the varieties used in this article.

Infographic

Soybean vs Buckwheat 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.
Soybean
10
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 61% 31% 45% 193% 136% 31% 105% 0.13% 107% 40%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 36% 2.1% 7.8% 30% 49% 17% 30% 0.52% 53% 12%
Contains more MagnesiumMagnesium +68.6%
Contains more CalciumCalcium +1357.1%
Contains more PotassiumPotassium +485.2%
Contains more IronIron +542.5%
Contains more CopperCopper +178.8%
Contains more ZincZinc +88.5%
Contains more PhosphorusPhosphorus +250%
Contains less SodiumSodium -75%
Contains more ManganeseManganese +104.5%
Contains more SeleniumSelenium +231.8%

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 5.7% 0.54% 7% 0% 39% 66% 7.5% 11% 54% 0% 48% 41% 26%
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% 1.8% 0% 10% 9% 18% 22% 18% 0% 4.8% 11% 11%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +288.9%
Contains more Vitamin B1Vitamin B1 +287.5%
Contains more Vitamin B2Vitamin B2 +630.8%
Contains more Vitamin B6Vitamin B6 +203.9%
Contains more Vitamin KVitamin K +910.5%
Contains more FolateFolate +285.7%
Contains more CholineCholine +136.3%
Contains more Vitamin B3Vitamin B3 +135.6%
Contains more Vitamin B5Vitamin B5 +100.6%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
18% 9% 8% 63% 2%
Protein: 18.21 g
Fats: 8.97 g
Carbs: 8.36 g
Water: 62.55 g
Other: 1.91 g
3% 20% 76%
Protein: 3.38 g
Fats: 0.62 g
Carbs: 19.94 g
Water: 75.63 g
Other: 0.43 g
Contains more ProteinProtein +438.8%
Contains more FatsFats +1346.8%
Contains more OtherOther +344.2%
Contains more CarbsCarbs +138.5%
Contains more WaterWater +20.9%

Fat Type Comparison

Fat type breakdown side-by-side comparison
16% 24% 61%
Saturated Fat: Sat. Fat 1.297 g
Monounsaturated Fat: Mono. Fat 1.981 g
Polyunsaturated fat: Poly. Fat 5.064 g
26% 37% 37%
Saturated Fat: Sat. Fat 0.134 g
Monounsaturated Fat: Mono. Fat 0.188 g
Polyunsaturated fat: Poly. Fat 0.188 g
Contains more Mono. FatMonounsaturated Fat +953.7%
Contains more Poly. FatPolyunsaturated fat +2593.6%
Contains less Sat. FatSaturated Fat -89.7%

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Soybean Buckwheat Opinion
Calories 172kcal 92kcal Soybean
Protein 18.21g 3.38g Soybean
Fats 8.97g 0.62g Soybean
Vitamin C 1.7mg 0mg Soybean
Net carbs 2.36g 17.24g Buckwheat
Carbs 8.36g 19.94g Buckwheat
Magnesium 86mg 51mg Soybean
Calcium 102mg 7mg Soybean
Potassium 515mg 88mg Soybean
Iron 5.14mg 0.8mg Soybean
Sugar 3g 0.9g Buckwheat
Fiber 6g 2.7g Soybean
Copper 0.407mg 0.146mg Soybean
Zinc 1.15mg 0.61mg Soybean
Phosphorus 245mg 70mg Soybean
Sodium 1mg 4mg Soybean
Vitamin A 9IU 0IU Soybean
Vitamin E 0.35mg 0.09mg Soybean
Manganese 0.824mg 0.403mg Soybean
Selenium 7.3µg 2.2µg Soybean
Vitamin B1 0.155mg 0.04mg Soybean
Vitamin B2 0.285mg 0.039mg Soybean
Vitamin B3 0.399mg 0.94mg Buckwheat
Vitamin B5 0.179mg 0.359mg Buckwheat
Vitamin B6 0.234mg 0.077mg Soybean
Vitamin K 19.2µg 1.9µg Soybean
Folate 54µg 14µg Soybean
Choline 47.5mg 20.1mg Soybean
Saturated Fat 1.297g 0.134g Buckwheat
Monounsaturated Fat 1.981g 0.188g Soybean
Polyunsaturated fat 5.064g 0.188g Soybean
Tryptophan 0.242mg 0.049mg Soybean
Threonine 0.723mg 0.129mg Soybean
Isoleucine 0.807mg 0.127mg Soybean
Leucine 1.355mg 0.212mg Soybean
Lysine 1.108mg 0.172mg Soybean
Methionine 0.224mg 0.044mg Soybean
Phenylalanine 0.869mg 0.133mg Soybean
Valine 0.831mg 0.173mg Soybean
Histidine 0.449mg 0.079mg Soybean
Fructose 0.1g Buckwheat

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Soybean Buckwheat
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
23%
Soybean
8%
Buckwheat
Minerals Daily Need Coverage Score
75%
Soybean
24%
Buckwheat

Comparison summary

Which food contains less Sodium?
Soybean
Soybean contains less Sodium (difference - 3mg)
Which food is lower in glycemic index?
Soybean
Soybean is lower in glycemic index (difference - 37)
Which food is richer in minerals?
Soybean
Soybean is relatively richer in minerals
Which food is richer in vitamins?
Soybean
Soybean is relatively richer in vitamins
Which food is lower in Sugar?
Buckwheat
Buckwheat is lower in Sugar (difference - 2.1g)
Which food is lower in Saturated Fat?
Buckwheat
Buckwheat is lower in Saturated Fat (difference - 1.163g)
Which food is cheaper?
Buckwheat
Buckwheat is cheaper (difference - $1)
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. Soybean - https://fdc.nal.usda.gov/fdc-app.html#/food-details/174271/nutrients
  2. Buckwheat - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170686/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.