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Root and tuber vegetables (average), boiled (without addition of fat and salt) vs Onion, stewed (without addition of fat and salt): nutrition comparison
Per 100 g: 38 kcal for Root and tuber vegetables (average), boiled (without addition of fat and salt), versus 43 kcal for Onion, stewed (without addition of fat and salt), a difference of 5 kcal. The full breakdown, nutrient by nutrient, from the FSVO database V7.1.
Root and tuber vegetables (average), boiled (without addition of fat and salt)
Cooked vegetables (incl. cans)100 g

Protein0.8 g
0.8 g
Fat0.3 g
0.3 g
Vitamin D0 µg
0 µg
Omega-30 g
0 g
Energy38 kcal
38 kcal
Protein−0.4 g
Fat−0.4 g
Vitamin Dequal
Omega-3equal
Energy−5 kcal
Onion, stewed (without addition of fat and salt)
Cooked vegetables (incl. cans)100 g

Protein1.2 g
1.2 g
Fat0.7 g
0.7 g
Vitamin D0 µg
0 µg
Omega-30 g
0 g
Energy43 kcal
43 kcal
Highest folate content
Root and tuber vegetables (average), boiled (without addition of fat and salt) contains 9 µg more folate per 100 g.
Highest phosphorus content
Onion, stewed (without addition of fat and salt) contains 7 mg more phosphorus per 100 g.
Highest protein content
Onion, stewed (without addition of fat and salt) contains 0.4 g more protein per 100 g.
Full comparison, nutrient by nutrient
Per 100 g. In green: the higher of the two contents. “n/a”: not available in the source.
| Per 100 g | Root and tuber vegetables (average), boiled (without addition of fat and salt) | Onion, stewed (without addition of fat and salt) |
|---|---|---|
| Macronutrients | ||
| Energy | 38 kcal | 43 kcal |
| Protein | 0.8 g | 1.2 g |
| Fat | 0.3 g | 0.7 g |
| of which saturated fat | 0.1 g | 0.2 g |
| of which polyunsaturated | 0.1 g | 0.1 g |
| of which omega-3 | 0 g | 0 g |
| Carbohydrates | 6.5 g | 7 g |
| of which sugars | 5.1 g | 5.4 g |
| Dietary fibre | 2.6 g | 2.2 g |
| Water | 89.7 g | 88.7 g |
| Alcohol | 0 g | 0 g |
| Minerals | ||
| Calcium | 29 mg | 24 mg |
| Iron | 0.1 mg | 0.2 mg |
| Magnesium | 6 mg | 8 mg |
| Phosphorus | 27 mg | 34 mg |
| Potassium | 130 mg | 130 mg |
| Sodium | 18 mg | 7 mg |
| Zinc | 0.2 mg | 0.2 mg |
| Vitamins | ||
| Vitamin D | 0 µg | 0 µg |
| Vitamin B12 | 0 µg | 0 µg |
| Vitamin C | 4 mg | 4 mg |
| Folate | 30 µg | 21 µg |
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- Full page: Root and tuber vegetables, boiled
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