Mature Cooked Soybeans Nutrition Facts

FoodData Central Updated 6 April 2026

One cup of mature cooked soybeans contains 295.8 calories, 31.3g protein, 14.4g carbs, and 15.4g fat. Mature Cooked Soybeans is listed in the protein foods category. It is a good source of protein, rich in dietary fiber, a good source of iron, and rich in potassium.

295.8

cal

14.4g

carbs

31.3g

protein

amino acids ↓

15.4g

fat

10.3g

fiber

5.2g

sugar

Vitamins in Mature Cooked Soybeans

Per Cup ~172g

Vitamin C
2.92mg
3%
Vitamin E
0.6mg
4%
Vitamin K
33mcg
28%
Vitamin B6
0.4mg
23%
Thiamin (B1)
0.28mg
23%
Niacin (B3)
0.69mg
4%
Folate
92.9mcg
23%

Minerals in Mature Cooked Soybeans

Per Cup ~172g

Calcium
175mg
13%
Iron
8.84mg
49%
Magnesium
148mg
35%
Phosphorus
421mg
34%
Potassium
886mg
19%
Sodium
1.72mg
<1%
Zinc
1.98mg
18%
Selenium
12.6mcg
23%
Copper
0.71mg
78%
Manganese
1.41mg
61%

Amino Acids in Mature Cooked Soybeans

Protein breakdown per cup (172g), from the USDA record for this food.

Complete protein

Mature Cooked Soybeans supplies all nine essential amino acids at or above the FAO/WHO adult reference pattern.

Essential Amino Acids Per cup (172g) Per 100g % of Protein
Histidine 772mg 449mg 2.5%
Isoleucine 1388mg 807mg 4.4%
Leucine 2331mg 1355mg 7.4%
Lysine 1906mg 1108mg 6.1%
Methionine 385mg 224mg 1.2%
Phenylalanine 1495mg 869mg 4.8%
Threonine 1244mg 723mg 4%
Tryptophan 416mg 242mg 1.3%
Valine 1429mg 831mg 4.6%
Other Amino Acids Per cup (172g) Per 100g % of Protein
Alanine 1348mg 784mg 4.3%
Arginine 2221mg 1291mg 7.1%
Aspartic Acid 3600mg 2093mg 11.5%
Cystine 461mg 268mg 1.5%
Glutamic Acid 5545mg 3224mg 17.7%
Glycine 1324mg 770mg 4.2%
Proline 1675mg 974mg 5.3%
Serine 1660mg 965mg 5.3%
Tyrosine 1084mg 630mg 3.5%

Protein quality is scored against the FAO/WHO/UNU 2007 adult indispensable amino acid reference pattern. The FDA publishes no Daily Values for individual amino acids, so the share of total protein is shown instead.

Learn More About Mature Cooked Soybeans

Similar Foods

Compare Mature Cooked Soybeans with other proteins.

Verified Nutrition Data

Trusted & Verified Nutritional Information

All nutritional data on Food Index is sourced from official U.S. government databases and verified by nutrition experts at leading federal agencies.

USDA Official Source
FDA Safety Standards
HHS Health Standards
NIH Research Verified

Laboratory Analyzed

Nutrient values from certified lab analysis

Peer Reviewed

Data reviewed by nutrition scientists

Regularly Updated

Synced with latest official database releases

Nutritional values are based on standard reference data and may vary slightly based on preparation methods, brands, and natural variation in foods. Always consult with a healthcare professional for personalized dietary advice.