Food · Legumes and Legume Products
Soy flour nutrition facts
A typical portion of soy flour (1 cup; 105 g, defatted) has 340 calories and 54g of protein (USDA FoodData Central). USDA lists 3 descriptions of it: per 100 g they range from 327 calories (defatted) to 439 (full-fat, roasted).
Nutrition Facts
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Protein % DV here is not corrected for protein quality.
USDA values per 100 g for Soy flour, defatted, scaled to the portion. Check the USDA record.
- Protein per 100 g
- 51.5g
- more than 100% of 8,218 USDA reference foods
- Calories per 100 g
- 327
- more than 76% of reference foods
- Sodium per 100 g
- 20mg
- more than 22% of reference foods
1 cup weighs 105 g in USDA's record for Soy flour, defatted (FDC 174275).
Where the calories come from: 38% carbohydrate, 3% fat and 58% protein (4 calories a gram of protein or carbohydrate, 9 of fat).
Also rich in
- Copper4.3 mg in 1 cup (105 g), 474% of the Daily Value
- Manganese3.2 mg in 1 cup (105 g), 138% of the Daily Value
- Folate320 µg DFE in 1 cup (105 g), 80% of the Daily Value
- Magnesium305 mg in 1 cup (105 g), 73% of the Daily Value
- Thiamin0.7 mg in 1 cup (105 g), 61% of the Daily Value
- Phosphorus708 mg in 1 cup (105 g), 57% of the Daily Value
- Vitamin B60.6 mg in 1 cup (105 g), 35% of the Daily Value
- Zinc2.6 mg in 1 cup (105 g), 23% of the Daily Value
- Riboflavin0.3 mg in 1 cup (105 g), 20% of the Daily Value
- Niacin2.7 mg in 1 cup (105 g), 17% of the Daily Value
Source: USDA FoodData Central (FDC 174275), every nutrient the record reports; FDA Daily Values, 21 CFR 101.9.
Every form of soy flour USDA describes
Full-fat, roasted has the most calories per 100 g (439); the fewest: Defatted (327)
| USDA description | Calories | Protein | Fat | Sodium |
|---|---|---|---|---|
| Soy flour, defatted | 327 | 51.5 g | 1.2 g | 20 mg |
| Soy flour, full-fat, roasted | 439 | 38.1 g | 21.9 g | 12 mg |
| Soy flour, full-fat, raw | 434 | 37.8 g | 20.7 g | 13 mg |
Every nutrient in this record (87)
The portion is 1 cup (105 g); % DV is for that portion.
Energy, macronutrients and sugars (14)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Protein | 54.0 g | 51.5 g | 108% |
| Total lipid (fat) | 1.28 g | 1.22 g | 2% |
| Carbohydrate, by difference | 35.6 g | 33.9 g | 13% |
| Ash | 6.46 g | 6.15 g | |
| Energy | 343 kcal | 327 kcal | |
| Alcohol, ethyl | 0 g | 0 g | |
| Water | 7.61 g | 7.25 g | |
| Total Sugars | 17.2 g | 16.4 g | |
| Fiber, total dietary | 18.4 g | 17.5 g | 66% |
| Cholesterol | 0 mg | 0 mg | 0% |
| Fatty acids, total trans | 0 g | 0 g | |
| Fatty acids, total saturated | 0.14 g | 0.14 g | 1% |
| Fatty acids, total monounsaturated | 0.22 g | 0.21 g | |
| Fatty acids, total polyunsaturated | 0.56 g | 0.53 g |
Minerals (10)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Calcium, Ca | 253 mg | 241 mg | 19% |
| Iron, Fe | 9.70 mg | 9.24 mg | 54% |
| Magnesium, Mg | 305 mg | 290 mg | 73% |
| Phosphorus, P | 708 mg | 674 mg | 57% |
| Potassium, K | 2,503 mg | 2,384 mg | 53% |
| Sodium, Na | 21.0 mg | 20.0 mg | 1% |
| Zinc, Zn | 2.58 mg | 2.46 mg | 23% |
| Copper, Cu | 4.27 mg | 4.07 mg | 474% |
| Manganese, Mn | 3.17 mg | 3.02 mg | 138% |
| Selenium, Se | 1.78 µg | 1.70 µg | 3% |
Vitamins (24)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Retinol | 0 µg | 0 µg | |
| Vitamin A, RAE | 2.10 µg | 2.00 µg | 0% |
| Carotene, beta | 25.2 µg | 24.0 µg | |
| Carotene, alpha | 0 µg | 0 µg | |
| Vitamin E (alpha-tocopherol) | 0.13 mg | 0.12 mg | 1% |
| Vitamin D (D2 + D3) | 0 µg | 0 µg | 0% |
| Cryptoxanthin, beta | 0 µg | 0 µg | |
| Lycopene | 0 µg | 0 µg | |
| Lutein + zeaxanthin | 0 µg | 0 µg | |
| Vitamin C, total ascorbic acid | 0 mg | 0 mg | 0% |
| Thiamin | 0.73 mg | 0.70 mg | 61% |
| Riboflavin | 0.27 mg | 0.25 mg | 20% |
| Niacin | 2.74 mg | 2.61 mg | 17% |
| Pantothenic acid | 2.09 mg | 2.00 mg | |
| Vitamin B-6 | 0.60 mg | 0.57 mg | 35% |
| Folate, total | 320 µg | 305 µg | |
| Vitamin B-12 | 0 µg | 0 µg | 0% |
| Choline, total | 11.9 mg | 11.3 mg | 2% |
| Vitamin K (phylloquinone) | 4.30 µg | 4.10 µg | 4% |
| Folic acid | 0 µg | 0 µg | |
| Folate, food | 320 µg | 305 µg | |
| Folate, DFE | 320 µg | 305 µg | 80% |
| Vitamin E, added | 0 mg | 0 mg | |
| Vitamin B-12, added | 0 µg | 0 µg |
Amino acids (18)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| Tryptophan | 0.72 g | 0.68 g | |
| Threonine | 2.14 g | 2.04 g | |
| Isoleucine | 2.40 g | 2.28 g | |
| Leucine | 4.02 g | 3.83 g | |
| Lysine | 3.29 g | 3.13 g | |
| Methionine | 0.67 g | 0.63 g | |
| Cystine | 0.79 g | 0.76 g | |
| Phenylalanine | 2.58 g | 2.45 g | |
| Tyrosine | 1.87 g | 1.78 g | |
| Valine | 2.46 g | 2.35 g | |
| Arginine | 3.83 g | 3.65 g | |
| Histidine | 1.33 g | 1.27 g | |
| Alanine | 2.33 g | 2.21 g | |
| Aspartic acid | 6.21 g | 5.91 g | |
| Glutamic acid | 9.56 g | 9.11 g | |
| Glycine | 2.28 g | 2.17 g | |
| Proline | 2.89 g | 2.75 g | |
| Serine | 2.86 g | 2.73 g |
Fatty acids (19)
| Nutrient | Per portion | Per 100 g | % DV |
|---|---|---|---|
| SFA 4:0 | 0 g | 0 g | |
| SFA 6:0 | 0 g | 0 g | |
| SFA 8:0 | 0 g | 0 g | |
| SFA 10:0 | 0 g | 0 g | |
| SFA 12:0 | 0 g | 0 g | |
| SFA 14:0 | 0.0032 g | 0.0030 g | |
| SFA 16:0 | 0.10 g | 0.10 g | |
| SFA 18:0 | 0.036 g | 0.034 g | |
| MUFA 18:1 | 0.22 g | 0.21 g | |
| PUFA 18:2 | 0.49 g | 0.47 g | |
| PUFA 18:3 | 0.066 g | 0.063 g | |
| PUFA 20:4 | 0 g | 0 g | |
| PUFA 22:6 n-3 (DHA) | 0 g | 0 g | |
| MUFA 16:1 | 0.0032 g | 0.0030 g | |
| PUFA 18:4 | 0 g | 0 g | |
| MUFA 20:1 | 0 g | 0 g | |
| PUFA 20:5 n-3 (EPA) | 0 g | 0 g | |
| MUFA 22:1 | 0 g | 0 g | |
| PUFA 22:5 n-3 (DPA) | 0 g | 0 g |
Source: USDA FoodData Central, FDC 174275: every value the record reports, per 100 g as USDA gives it and scaled to the portion; Daily Values: 21 CFR 101.9.
Source: USDA FoodData Central (SR Legacy, Foundation Foods and Survey foods), April 30, 2026 release.
Questions
How many calories are in soy flour?
340 in 1 cup (105 g) of defatted; 327 to 439 per 100 g across USDA's descriptions.
How much protein is in soy flour?
54g in 1 cup; 51.5 g per 100 g.
How much sodium is in soy flour?
20mg in 1 cup; 20 mg per 100 g. Salt added in cooking changes it: USDA lists salted and unsalted forms separately where it measured both.
Sources for this page
- USDA FoodData Central
- the food and product records, April 30, 2026 release. fdc.nal.usda.gov
- FoodData Central documentation
- what each data type is and how branded records are submitted. fdc.nal.usda.gov
- USDA Food and Nutrient Database for Dietary Studies
- the survey foods and their portions. ars.usda.gov
- 21 CFR 101.9, Nutrition labeling of food
- the label format, rounding and Daily Values. ecfr.gov
- FDA, How to Understand and Use the Nutrition Facts Label
- the 5% and 20% Daily Value rule. fda.gov