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Onions vs Flour

Nutrition comparison per 100g · USDA Foundation Foods & USDA Foundation Foods

Flour, soy, defatted is higher in more vitamins & minerals

Calories (kcal)

Onions 38
Flour 366

Protein (g)

Onions 0.830
Flour 51.1

Carbs (g)

Onions 8.61
Flour 32.9

Fat (g)

Onions 0.050
Flour 3.33

Fiber (g)

Onions 1.90
Flour —

Quick answers

Which has more protein?

Flour, soy, defatted — 51.1g vs 0.830g per 100g.

Which has fewer calories?

Onions, yellow, raw — 38 vs 366 kcal per 100g.

Which is more nutrient-dense?

Flour, soy, defatted scores higher in more vitamins and minerals per 100g, though both foods can be part of a healthy diet.

Full Nutrition Comparison

All values per 100g edible portion. Green = Food A higher · Blue = Food B higher

Nutrient Onions Flour
Energy
Energy 38 kcal 366 kcal
Macronutrients
Water 90.1 g 6.24 g
Protein 0.830 g 51.1 g
Total lipid (fat) 0.050 g 3.33 g
Carbohydrate, by difference 8.61 g 32.9 g
Fiber, total dietary 1.90 g —
Sugars, Total 5.82 g —
Vitamins
Vitamin C, total ascorbic acid 8.20 mg —
Thiamin (Vitamin B1) — 0.542 mg
Riboflavin (Vitamin B2) — 0.298 mg
Niacin (Vitamin B3) — 3.43 mg
Vitamin B-6 — Pyridoxine — 0.618 mg
Minerals
Calcium, Ca 15.0 mg 338 mg
Iron, Fe 0.280 mg 7.34 mg
Magnesium, Mg 9.00 mg 313 mg
Phosphorus, P 34.0 mg 726 mg
Potassium, K 182 mg 2480 mg
Sodium, Na 1.00 mg 2.00 mg
Zinc, Zn 0.200 mg 4.44 mg
Copper, Cu 0.035 mg 1.51 mg
Manganese, Mn 0.144 mg 3.81 mg
Selenium, Se 0 ug 45.8 ug
Other Nutrients
Energy (Atwater General Factors) 38 kcal 366 kcal
Energy (Atwater Specific Factors) 36 kcal 339 kcal
Energy 160 kj 1530 kj
Nitrogen — 8.18 g
Ash 0.410 g 6.45 g
Total dietary fiber (AOAC 2011.25) 2.71 g 24.3 g
Sucrose 1.60 g —
Glucose 2.31 g —
Fructose 1.91 g —
Lactose 0 g —
Maltose 0 g —
Iodine, I 0 ug —
Molybdenum, Mo — 211 ug
Biotin 0 ug —
Betaine — 2.80 mg
Tryptophan (EAA) — 0.616 g
Threonine (EAA) — 1.97 g
Isoleucine (EAA, BCAA) — 2.31 g
Leucine (EAA, BCAA) — 4.11 g
Lysine (EAA) — 3.06 g
Methionine (EAA) — 0.622 g
Phenylalanine (EAA) — 2.86 g
Tyrosine (conditionally essential) — 1.74 g
Valine (EAA, BCAA) — 2.31 g
Arginine (conditionally essential) — 3.93 g
Histidine (EAA) — 1.27 g
Alanine — 2.86 g
Aspartic acid — 4.98 g
Glutamic acid — 9.08 g
Glycine (conditionally essential) — 1.79 g
Proline (conditionally essential) — 2.84 g
Serine — 2.70 g
Hydroxyproline — 0.176 g
Cysteine — 1.01 g
Daidzein — 64.5 mg
Genistein — 87.3 mg
Choline
Choline from glycerophoshocholine — 7.00 mg
Choline from phosphatidylcholine — 63.0 mg
Choline from phosphocholine — 1.50 mg
Choline from sphingomyelin — 0.800 mg
Free Choline — 120 mg
Total Choline — 190 mg
Isoflavones
Total isoflavones — 151 mg

* All values per 100g edible portion. Source: USDA Foundation Foods and USDA Foundation Foods. Diff column shows percentage difference relative to Food B.

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