United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Try FoodData Central Full Report (All Nutrients):  16427, Tofu, raw, regular, prepared with calcium sulfate
Food Group: Legumes and Legume Products
Carbohydrate Factor: 4.07   Fat Factor:8.37   Protein Factor: 3.47   Nitrogen to Protein Conversion Factor: 6.25  
heading Nutrient Unit
Value per 100 g
# of Data Points Std. Error
cup 124 g

block 116 g
Proximates Water g 84.55 65 0.400 104.84 98.08
Proximates Energy kcal 76 -- -- 94 88
Proximates Energy kJ 317 -- -- 393 368
Proximates Protein g 8.08 44 0.300 10.02 9.37
Proximates Total lipid (fat) g 4.78 8 0.730 5.93 5.54
Proximates Ash g 0.72 8 0.030 0.89 0.84
Proximates Carbohydrate, by difference g 1.87 -- -- 2.32 2.17
Proximates Fiber, total dietary g 0.3 -- -- 0.4 0.3
Proximates Sugars, total g 0.62 -- -- 0.77 0.72
Minerals Calcium, Ca mg 350 -- -- 434 406
Minerals Iron, Fe mg 5.36 3 4.320 6.65 6.22
Minerals Magnesium, Mg mg 30 -- -- 37 35
Minerals Phosphorus, P mg 97 3 14.000 120 113
Minerals Potassium, K mg 121 4 26.000 150 140
Minerals Sodium, Na mg 7 4 3.000 9 8
Minerals Zinc, Zn mg 0.80 3 0.040 0.99 0.93
Minerals Copper, Cu mg 0.193 3 0.033 0.239 0.224
Minerals Manganese, Mn mg 0.605 2 -- 0.750 0.702
Minerals Selenium, Se µg 8.9 -- -- 11.0 10.3
Vitamins Vitamin C, total ascorbic acid mg 0.1 1 -- 0.1 0.1
Vitamins Thiamin mg 0.081 2 -- 0.100 0.094
Vitamins Riboflavin mg 0.052 2 -- 0.064 0.060
Vitamins Niacin mg 0.195 2 -- 0.242 0.226
Vitamins Pantothenic acid mg 0.068 2 -- 0.084 0.079
Vitamins Vitamin B-6 mg 0.047 2 -- 0.058 0.055
Vitamins Folate, total µg 15 2 -- 19 17
Vitamins Folic acid µg 0 -- -- 0 0
Vitamins Folate, food µg 15 2 -- 19 17
Vitamins Folate, DFE µg 15 -- -- 19 17
Vitamins Choline, total mg 28.8 -- -- 35.7 33.4
Vitamins Vitamin B-12 µg 0.00 -- -- 0.00 0.00
Vitamins Vitamin B-12, added µg 0.00 -- -- 0.00 0.00
Vitamins Vitamin A, IU IU 85 1 -- 105 99
Vitamins Vitamin E (alpha-tocopherol) mg 0.01 -- -- 0.01 0.01
Vitamins Vitamin E, added mg 0.00 -- -- 0.00 0.00
Vitamins Vitamin D (D2 + D3) µg 0.0 -- -- 0.0 0.0
Vitamins Vitamin D IU 0 -- -- 0 0
Vitamins Vitamin K (phylloquinone) µg 2.4 -- -- 3.0 2.8
Lipids Fatty acids, total saturated g 0.691 -- -- 0.857 0.802
Lipids 4:0 g 0.000 -- -- 0.000 0.000
Lipids 6:0 g 0.000 -- -- 0.000 0.000
Lipids 8:0 g 0.000 -- -- 0.000 0.000
Lipids 10:0 g 0.000 -- -- 0.000 0.000
Lipids 12:0 g 0.000 -- -- 0.000 0.000
Lipids 14:0 g 0.013 -- -- 0.016 0.015
Lipids 16:0 g 0.507 -- -- 0.629 0.588
Lipids 18:0 g 0.171 -- -- 0.212 0.198
Lipids Fatty acids, total monounsaturated g 1.056 -- -- 1.309 1.225
Lipids 16:1 undifferentiated g 0.013 -- -- 0.016 0.015
Lipids 18:1 undifferentiated g 1.043 -- -- 1.293 1.210
Lipids 20:1 g 0.000 -- -- 0.000 0.000
Lipids 22:1 undifferentiated g 0.000 -- -- 0.000 0.000
Lipids Fatty acids, total polyunsaturated g 2.699 -- -- 3.347 3.131
Lipids 18:2 undifferentiated g 2.380 -- -- 2.951 2.761
Lipids 18:3 undifferentiated g 0.319 -- -- 0.396 0.370
Lipids 18:4 g 0.000 -- -- 0.000 0.000
Lipids 20:4 undifferentiated g 0.000 -- -- 0.000 0.000
Lipids 20:5 n-3 (EPA) g 0.000 -- -- 0.000 0.000
Lipids 22:5 n-3 (DPA) g 0.000 -- -- 0.000 0.000
Lipids 22:6 n-3 (DHA) g 0.000 -- -- 0.000 0.000
Lipids Fatty acids, total trans g 0.000 -- -- 0.000 0.000
Lipids Cholesterol mg 0 -- -- 0 0
Amino Acids Tryptophan 1 g 0.120 -- -- 0.149 0.139
Amino Acids Threonine 1 g 0.402 -- -- 0.498 0.466
Amino Acids Isoleucine 1 g 0.435 -- -- 0.539 0.505
Amino Acids Leucine 1 g 0.713 -- -- 0.884 0.827
Amino Acids Lysine 1 g 0.452 -- -- 0.560 0.524
Amino Acids Methionine 1 g 0.108 -- -- 0.134 0.125
Amino Acids Cystine 1 g 0.029 -- -- 0.036 0.034
Amino Acids Phenylalanine 1 g 0.428 -- -- 0.531 0.496
Amino Acids Tyrosine 1 g 0.359 -- -- 0.445 0.416
Amino Acids Valine 1 g 0.446 -- -- 0.553 0.517
Amino Acids Arginine 1 g 0.701 -- -- 0.869 0.813
Amino Acids Histidine 1 g 0.221 -- -- 0.274 0.256
Amino Acids Alanine 1 g 0.396 -- -- 0.491 0.459
Amino Acids Aspartic acid 1 g 1.043 -- -- 1.293 1.210
Amino Acids Glutamic acid 1 g 1.684 -- -- 2.088 1.953
Amino Acids Glycine 1 g 0.375 -- -- 0.465 0.435
Amino Acids Proline 1 g 0.555 -- -- 0.688 0.644
Amino Acids Serine 1 g 0.519 -- -- 0.644 0.602
Other Alcohol, ethyl g 0.0 -- -- 0.0 0.0
Other Caffeine mg 0 -- -- 0 0
Other Theobromine mg 0 -- -- 0 0
Isoflavones Daidzein 2, 3, 4, 5 mg 8.55 10 3.32 10.60 9.92
Isoflavones Genistein 2, 3, 4, 5 mg 12.99 10 4.18 16.11 15.07
Isoflavones Glycitein 4, 5 mg 1.97 6 0.58 2.44 2.29
Isoflavones Total isoflavones 2, 3, 4, 5 mg 22.73 10 7.32 28.19 26.37
Isoflavones Biochanin A mg 0.00 1 -- 0.00 0.00
Isoflavones Formononetin mg 0.00 1 -- 0.00 0.00
Isoflavones Coumestrol mg 0.00 1 -- 0.00 0.00

Sources of Data

1Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 0 , 1998  Beltsville MD  
2Coward, L., Barnes, N., Setchell, K D R., and Barnes, S.  Genistein, Daidzein, and their $-glycoside conjugates: Antitumor isoflavones in soybean foods from American and Asian diets. , 1993 J. Agric. Food Chem. 41   pp.1961-1967
3Franke, A. A., Custer, L. J., Cerna, C. M., and Narala, K.  Rapid HPLC analysis of dietary phytoestrogens from legumes and from human urine. , 1995 Proc. Soc. Exp. Biol. Med. 208   pp.18-26
4Wang, H-J. and Murphy, P. A.  Isoflavone content in commercial soybean foods. , 1994 J. Agric. Food Chem. 42   pp.1666-1673
5Wang, H-J. and Murphy, P. A.  Mass balance study of isoflavones during soybean processing. , 1996 J. Agric. Food Chem. 44   pp.2377-2383
Langual Code(s)

  • A0152 VEGETABLE OR VEGETABLE PRODUCT (US CFR)
  • A1286 1600 LEGUMES AND LEGUME PRODUCTS (USDA SR)
  • B1452 SOYBEAN
  • C0133 SEED, SKIN PRESENT, GERM PRESENT
  • E0147 WHOLE, SHAPE ACHIEVED BY FORMING
  • F0014 FULLY HEAT-TREATED
  • G0003 COOKING METHOD NOT APPLICABLE
  • H0130 PHYSICALLY/CHEMICALLY MODIFIED
  • J0001 PRESERVATION METHOD NOT KNOWN
  • K0003 NO PACKING MEDIUM USED
  • M0001 CONTAINER OR WRAPPING NOT KNOWN
  • N0001 FOOD CONTACT SURFACE NOT KNOWN
  • P0024 HUMAN FOOD, NO AGE SPECIFICATION