United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Try FoodData Central Full Report (All Nutrients):  16426, Tofu, raw, firm, 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 126 g

block 81 g
Proximates Water g 69.83 -- -- 87.99 56.56
Proximates Energy kcal 144 -- -- 181 117
Proximates Energy kJ 603 -- -- 760 488
Proximates Protein g 17.27 6 0.490 21.76 13.99
Proximates Total lipid (fat) g 8.72 6 0.590 10.99 7.06
Proximates Ash g 1.40 -- -- 1.76 1.13
Proximates Carbohydrate, by difference g 2.78 -- -- 3.50 2.25
Proximates Fiber, total dietary g 2.3 -- -- 2.9 1.9
Minerals Calcium, Ca mg 683 -- -- 861 553
Minerals Iron, Fe mg 2.66 -- -- 3.35 2.15
Minerals Magnesium, Mg mg 58 -- -- 73 47
Minerals Phosphorus, P mg 190 -- -- 239 154
Minerals Potassium, K mg 237 -- -- 299 192
Minerals Sodium, Na mg 14 -- -- 18 11
Minerals Zinc, Zn mg 1.57 -- -- 1.98 1.27
Minerals Copper, Cu mg 0.378 -- -- 0.476 0.306
Minerals Manganese, Mn mg 1.181 -- -- 1.488 0.957
Minerals Selenium, Se µg 17.4 -- -- 21.9 14.1
Vitamins Vitamin C, total ascorbic acid mg 0.2 -- -- 0.3 0.2
Vitamins Thiamin mg 0.158 -- -- 0.199 0.128
Vitamins Riboflavin mg 0.102 -- -- 0.129 0.083
Vitamins Niacin mg 0.381 -- -- 0.480 0.309
Vitamins Pantothenic acid mg 0.133 -- -- 0.168 0.108
Vitamins Vitamin B-6 mg 0.092 -- -- 0.116 0.075
Vitamins Folate, total µg 29 -- -- 37 23
Vitamins Folic acid µg 0 -- -- 0 0
Vitamins Folate, food µg 29 -- -- 37 23
Vitamins Folate, DFE µg 29 -- -- 37 23
Vitamins Vitamin B-12 µg 0.00 -- -- 0.00 0.00
Vitamins Vitamin A, IU IU 166 -- -- 209 134
Vitamins Vitamin D (D2 + D3) µg 0.0 -- -- 0.0 0.0
Vitamins Vitamin D IU 0 -- -- 0 0
Lipids Fatty acids, total saturated g 1.261 -- -- 1.589 1.021
Lipids 14:0 g 0.024 -- -- 0.030 0.019
Lipids 16:0 g 0.925 -- -- 1.166 0.749
Lipids 18:0 g 0.311 -- -- 0.392 0.252
Lipids Fatty acids, total monounsaturated g 1.925 -- -- 2.425 1.559
Lipids 16:1 undifferentiated g 0.024 -- -- 0.030 0.019
Lipids 18:1 undifferentiated g 1.901 -- -- 2.395 1.540
Lipids Fatty acids, total polyunsaturated g 4.921 -- -- 6.200 3.986
Lipids 18:2 undifferentiated g 4.339 -- -- 5.467 3.515
Lipids 18:3 undifferentiated g 0.582 -- -- 0.733 0.471
Lipids Fatty acids, total trans g 0.000 -- -- 0.000 0.000
Lipids Cholesterol mg 0 -- -- 0 0
Amino Acids Tryptophan 1 g 0.235 -- -- 0.296 0.190
Amino Acids Threonine 1 g 0.785 -- -- 0.989 0.636
Amino Acids Isoleucine 1 g 0.849 -- -- 1.070 0.688
Amino Acids Leucine 1 g 1.392 -- -- 1.754 1.128
Amino Acids Lysine 1 g 0.883 -- -- 1.113 0.715
Amino Acids Methionine 1 g 0.211 -- -- 0.266 0.171
Amino Acids Cystine 1 g 0.057 -- -- 0.072 0.046
Amino Acids Phenylalanine 1 g 0.835 -- -- 1.052 0.676
Amino Acids Tyrosine 1 g 0.701 -- -- 0.883 0.568
Amino Acids Valine 1 g 0.870 -- -- 1.096 0.705
Amino Acids Arginine 1 g 1.369 -- -- 1.725 1.109
Amino Acids Histidine 1 g 0.431 -- -- 0.543 0.349
Amino Acids Alanine 1 g 0.773 -- -- 0.974 0.626
Amino Acids Aspartic acid 1 g 2.036 -- -- 2.565 1.649
Amino Acids Glutamic acid 1 g 3.288 -- -- 4.143 2.663
Amino Acids Glycine 1 g 0.733 -- -- 0.924 0.594
Amino Acids Proline 1 g 1.084 -- -- 1.366 0.878
Amino Acids Serine 1 g 1.015 -- -- 1.279 0.822

Sources of Data

1Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 0 , 1998  Beltsville MD  
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
  • G0001 COOKING METHOD NOT KNOWN
  • 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