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Flour vs Soy protein isolate

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

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

Calories (kcal)

Flour 366
Soy protein 335

Protein (g)

Flour 51.1
Soy protein 88.3

Carbs (g)

Flour 32.9
Soy protein 0

Fat (g)

Flour 3.33
Soy protein 3.39

Fiber (g)

Flour —
Soy protein 0

Quick answers

Which has more protein?

Soy protein isolate — 88.3g vs 51.1g per 100g.

Which has fewer calories?

Soy protein isolate — 335 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 Flour Soy protein isolate
Energy
Energy 366 kcal 335 kcal
Macronutrients
Water 6.24 g 4.98 g
Protein 51.1 g 88.3 g
Total lipid (fat) 3.33 g 3.39 g
Carbohydrate, by difference 32.9 g 0 g
Fiber, total dietary — 0 g
Fats & Fatty Acids
Fatty acids, total saturated — 0.422 g
Fatty acids, total monounsaturated — 0.645 g
Fatty acids, total trans — 0 g
Cholesterol — 0 mg
Vitamins
Vitamin C, total ascorbic acid — 0 mg
Thiamin (Vitamin B1) 0.542 mg 0.176 mg
Riboflavin (Vitamin B2) 0.298 mg 0.100 mg
Niacin (Vitamin B3) 3.43 mg 1.44 mg
Pantothenic acid (Vitamin B5) — 0.060 mg
Vitamin B-6 — Pyridoxine 0.618 mg 0.100 mg
Biotin (Vitamin B7) — 176 ug
Folate, total (Vitamin B9) — 0 ug
Choline, total — 191 mg
Vitamin B-12 — Cobalamin — 0 ug
Vitamin A, RAE — 0 ug
Carotene, beta — 0 ug
Carotene, alpha — 0 ug
Vitamin E (alpha-tocopherol) — 0 mg
Vitamin D (D2 + D3) — 0 ug
Minerals
Calcium, Ca 338 mg 178 mg
Iron, Fe 7.34 mg 14.5 mg
Magnesium, Mg 313 mg 39.0 mg
Phosphorus, P 726 mg 776 mg
Potassium, K 2480 mg 81.0 mg
Sodium, Na 2.00 mg 1005 mg
Zinc, Zn 4.44 mg 4.03 mg
Copper, Cu 1.51 mg 1.60 mg
Manganese, Mn 3.81 mg 1.49 mg
Selenium, Se 45.8 ug 0.800 ug
Other Nutrients
Energy (Atwater General Factors) 366 kcal —
Energy (Atwater Specific Factors) 339 kcal —
Energy 1530 kj 1401 kj
Nitrogen 8.18 g —
Ash 6.45 g 3.58 g
Total dietary fiber (AOAC 2011.25) 24.3 g —
Total Sugars — 0 g
Molybdenum, Mo 211 ug —
Folic acid (Vitamin B9 — synthetic) — 176 ug
Folate, DFE (Vitamin B9 — dietary folate equivalents) — 176 ug
Betaine 2.80 mg —
Vitamin B-12, added — 0 ug
Retinol — 0 ug
Beta-carotene (Provitamin A) — 0 ug
Vitamin A, IU — 0 IU
Beta-cryptoxanthin (Provitamin A) — 0 ug
Lycopene — 0 ug
Vitamin E, added — 0 mg
Vitamin D (D2 + D3 — total) — 0 IU
Vitamin K1 — Phylloquinone — 0 ug
SFA 4:0 (Butyric acid) — 0 g
SFA 6:0 (Caproic acid) — 0 g
SFA 8:0 (Caprylic acid) — 0 g
SFA 10:0 (Capric acid) — 0 g
SFA 12:0 (Lauric acid) — 0 g
SFA 14:0 (Myristic acid) — 0.008 g
SFA 16:0 (Palmitic acid) — 0.310 g
SFA 18:0 (Stearic acid) — 0.104 g
MUFA 16:1 (Omega-7, Palmitoleic acid) — 0.008 g
MUFA 18:1 (Omega-9, Oleic acid family) — 0.637 g
MUFA 20:1 (Omega-9, Gondoic / Gadoleic acid) — 0 g
MUFA 22:1 (Omega-9, Erucic acid family) — 0 g
Fatty acids, total polyunsaturated — 1.65 g
PUFA 18:2 (Omega-6, Linoleic acid) — 1.45 g
PUFA 18:3 (Omega-3, Alpha-linolenic family) — 0.195 g
PUFA 18:4 n-3 (Omega-3, SDA — Stearidonic acid) — 0 g
PUFA 20:4 (Omega-6, Arachidonic acid family) — 0 g
PUFA 20:5 n-3 (Omega-3, EPA — Eicosapentaenoic acid) — 0 g
PUFA 22:5 n-3 (Omega-3, DPA — Docosapentaenoic acid) — 0 g
PUFA 22:6 n-3 (Omega-3, DHA — Docosahexaenoic acid) — 0 g
Tryptophan (EAA) 0.616 g 1.12 g
Threonine (EAA) 1.97 g 3.14 g
Isoleucine (EAA, BCAA) 2.31 g 4.25 g
Leucine (EAA, BCAA) 4.11 g 6.78 g
Lysine (EAA) 3.06 g 5.33 g
Methionine (EAA) 0.622 g 1.13 g
Cystine (conditionally essential) — 1.05 g
Phenylalanine (EAA) 2.86 g 4.59 g
Tyrosine (conditionally essential) 1.74 g 3.22 g
Valine (EAA, BCAA) 2.31 g 4.10 g
Arginine (conditionally essential) 3.93 g 6.67 g
Histidine (EAA) 1.27 g 2.30 g
Alanine 2.86 g 3.59 g
Aspartic acid 4.98 g 10.2 g
Glutamic acid 9.08 g 17.5 g
Glycine (conditionally essential) 1.79 g 3.60 g
Proline (conditionally essential) 2.84 g 4.96 g
Serine 2.70 g 4.59 g
Hydroxyproline 0.176 g —
Cysteine 1.01 g —
Alcohol, ethyl — 0 g
Caffeine — 0 mg
Theobromine — 0 mg
Daidzein 64.5 mg 30.8 mg
Genistein 87.3 mg 57.3 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 91.1 mg

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

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