Every 100 kcal of defatted soy flour brings 15.7 g of protein. On that measure it ranks 2nd of the 31 soy foods in this database and 127th of all 796 foods on the site. Measured by weight instead, its 51.5 g per 100 g ranks 2nd in its group.
About 63% of the calories in defatted soy flour come from protein, which makes it extremely protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Weight for weight, defatted soy flour has 42.2 g of protein for each gram of fat (51.5 g against 1.22 g per 100 g).
Set against veggie burger, another soy food entry in the database, a serving carries about 2.2 g less protein (veggie burger has 15.7 g per 1 patty).
It is a complete protein - it supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own. The serving quoted here is measured by volume at 26.2 g, and it covers about 27% of the 50 g FDA Daily Value for protein.
Serving sizes
Protein in common portions of defatted soy flour
Protein and calories in Defatted soy flour for 100 g, the site serving and USDA household portions.
Portion
Weight
Protein
Calories
100 g
100 g
51.5 g
327 kcal
1/4 cup (serving used here)
26.2 g
13.5 g
86 kcal
1 cup
105 g
54.1 g
343 kcal
1 tbsp
6.6 g
3.4 g
22 kcal
Portion weights are the household measures listed on the USDA record; protein and calories scale from the per-100 g figures.
Amino acids
Essential amino acids in defatted soy flour
The nine essential amino acids in Defatted soy flour, per 100 g, per serving and per gram of protein.
Amino acid
Per 100 g
Per serving
mg per g protein
leucine
3.83 g
1 g
74
lysine
3.13 g
0.82 g
61
valine
2.35 g
0.62 g
46
isoleucine
2.28 g
0.6 g
44
threonine
2.04 g
0.53 g
40
phenylalanine
2.45 g
0.64 g
48
methionine
0.634 g
0.17 g
12
histidine
1.27 g
0.33 g
25
tryptophan
0.683 g
0.18 g
13
Per-100 g values are the amino acid analysis on the USDA record. The serving and per-gram-of-protein columns are arithmetic on those values; they are not a protein quality score.
SampleWhat goal trends look like after a week
109 g
Average per logged day
4 of 7
Days goal met
71%
Complete-protein share
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Sample figures for one made-up week against a 110 g goal, not your data. Red bars met the goal. Your own log fills this in with Premium.
How much protein is in 100 g of defatted soy flour?
51.5 g. The 1/4 cup serving used on this page weighs 26.2 g and so carries 13.5 g.
How much protein do you get per 100 calories of defatted soy flour?
15.7 g. That figure divides its 51.5 g of protein per 100 g by its 327 kcal per 100 g, so it does not depend on serving size.
Is the protein in defatted soy flour complete?
Yes. The protein in defatted soy flour supplies all nine essential amino acids in adequate amounts, so it can carry a meal's protein on its own.
What share of the protein Daily Value is one serving of defatted soy flour?
About 27%. One 1/4 cup serving has 13.5 g, and the FDA Daily Value for protein is 50 g.
Figures from USDA FoodData Central record #174275 (Soy flour, defatted), SR Legacy data. USDA data is in the public domain. Values are the published reference figures for that record, not lab measurements for a specific brand or batch.