United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Full Report (All Nutrients):  12155, Nuts, walnuts, english a  b 
Food Group: Nut and Seed Products
Scientific Name:  Juglans regia
Carbohydrate Factor: 4.07   Fat Factor:8.37   Protein Factor: 3.47   Nitrogen to Protein Conversion Factor: 5.3  
Refuse: 55%   Refuse Description:   Shells
heading Nutrient Unit
Value per 100 g
# of Data Points Std. Error
cup, chopped 117 g

cup, ground 80 g

cup, in shell, edible yield (7 nuts) 28 g

cup shelled (50 halves) 100 g

cup pieces or chips 120 g

oz (14 halves) 28.35 g
Proximates Water 1 g 4.07 7 0.150 4.76 3.26 1.14 4.07 4.88 1.15
Proximates Energy kcal 654 -- -- 765 523 183 654 785 185
Proximates Energy kJ 2738 -- -- 3203 2190 767 2738 3286 776
Proximates Protein 1 g 15.23 7 0.230 17.82 12.18 4.26 15.23 18.28 4.32
Proximates Total lipid (fat) 1 g 65.21 7 0.490 76.30 52.17 18.26 65.21 78.25 18.49
Proximates Ash 1 g 1.78 7 0.010 2.08 1.42 0.50 1.78 2.14 0.50
Proximates Carbohydrate, by difference g 13.71 -- -- 16.04 10.97 3.84 13.71 16.45 3.89
Proximates Fiber, total dietary 1 g 6.7 7 0.500 7.8 5.4 1.9 6.7 8.0 1.9
Proximates Sugars, total g 2.61 7 0.090 3.05 2.09 0.73 2.61 3.13 0.74
Proximates Sucrose 1 g 2.43 7 0.080 2.84 1.94 0.68 2.43 2.92 0.69
Proximates Glucose (dextrose) 1 g 0.08 7 0.010 0.09 0.06 0.02 0.08 0.10 0.02
Proximates Fructose 1 g 0.09 7 0.010 0.11 0.07 0.03 0.09 0.11 0.03
Proximates Lactose 1 g 0.00 7 0.000 0.00 0.00 0.00 0.00 0.00 0.00
Proximates Maltose 1 g 0.00 7 0.000 0.00 0.00 0.00 0.00 0.00 0.00
Proximates Starch 1 g 0.06 7 0.010 0.07 0.05 0.02 0.06 0.07 0.02
Minerals Calcium, Ca 1 mg 98 7 3.000 115 78 27 98 118 28
Minerals Iron, Fe 1 mg 2.91 7 0.080 3.40 2.33 0.81 2.91 3.49 0.82
Minerals Magnesium, Mg 1 mg 158 7 1.000 185 126 44 158 190 45
Minerals Phosphorus, P 1 mg 346 7 3.000 405 277 97 346 415 98
Minerals Potassium, K 1 mg 441 7 6.000 516 353 123 441 529 125
Minerals Sodium, Na 1 mg 2 7 0.000 2 2 1 2 2 1
Minerals Zinc, Zn 1 mg 3.09 7 0.080 3.62 2.47 0.87 3.09 3.71 0.88
Minerals Copper, Cu 1 mg 1.586 7 0.026 1.856 1.269 0.444 1.586 1.903 0.450
Minerals Manganese, Mn 1 mg 3.414 7 0.122 3.994 2.731 0.956 3.414 4.097 0.968
Minerals Selenium, Se 2, 3 µg 4.9 6 0.400 5.7 3.9 1.4 4.9 5.9 1.4
Vitamins Vitamin C, total ascorbic acid 1 mg 1.3 7 0.100 1.5 1.0 0.4 1.3 1.6 0.4
Vitamins Thiamin 1 mg 0.341 7 0.010 0.399 0.273 0.095 0.341 0.409 0.097
Vitamins Riboflavin 1 mg 0.150 7 0.003 0.176 0.120 0.042 0.150 0.180 0.043
Vitamins Niacin 2, 3 mg 1.125 8 0.055 1.316 0.900 0.315 1.125 1.350 0.319
Vitamins Pantothenic acid 1 mg 0.570 7 0.011 0.667 0.456 0.160 0.570 0.684 0.162
Vitamins Vitamin B-6 1 mg 0.537 7 0.026 0.628 0.430 0.150 0.537 0.644 0.152
Vitamins Folate, total 1 µg 98 7 3.000 115 78 27 98 118 28
Vitamins Folic acid µg 0 -- -- 0 0 0 0 0 0
Vitamins Folate, food µg 98 7 3.000 115 78 27 98 118 28
Vitamins Folate, DFE µg 98 -- -- 115 78 27 98 118 28
Vitamins Choline, total 2, 3 mg 39.2 -- -- 45.9 31.4 11.0 39.2 47.0 11.1
Vitamins Betaine 2, 3 mg 0.3 5 0.019 0.4 0.2 0.1 0.3 0.4 0.1
Vitamins Vitamin B-12 µg 0.00 -- -- 0.00 0.00 0.00 0.00 0.00 0.00
Vitamins Vitamin B-12, added µg 0.00 -- -- 0.00 0.00 0.00 0.00 0.00 0.00
Vitamins Vitamin A, RAE 1, 2, 3 µg 1 6 0.000 1 1 0 1 1 0
Vitamins Retinol µg 0 -- -- 0 0 0 0 0 0
Vitamins Carotene, beta 1, 2, 3 µg 12 6 7.000 14 10 3 12 14 3
Vitamins Carotene, alpha 1, 2, 3 µg 0 6 0.000 0 0 0 0 0 0
Vitamins Cryptoxanthin, beta 2, 3 µg 0 3 0.000 0 0 0 0 0 0
Vitamins Vitamin A, IU 1, 2, 3 IU 20 6 12.000 23 16 6 20 24 6
Vitamins Lycopene 2, 3 µg 0 3 0.000 0 0 0 0 0 0
Vitamins Lutein + zeaxanthin 2, 3 µg 9 3 0.000 11 7 3 9 11 3
Vitamins Vitamin E (alpha-tocopherol) 1, 4 mg 0.70 13 0.320 0.82 0.56 0.20 0.70 0.84 0.20
Vitamins Vitamin E, added mg 0.00 -- -- 0.00 0.00 0.00 0.00 0.00 0.00
Vitamins Tocopherol, beta 1, 4 mg 0.15 13 0.140 0.18 0.12 0.04 0.15 0.18 0.04
Vitamins Tocopherol, gamma 1, 4 mg 20.83 13 2.600 24.37 16.66 5.83 20.83 25.00 5.91
Vitamins Tocopherol, delta 1, 4 mg 1.89 13 0.460 2.21 1.51 0.53 1.89 2.27 0.54
Vitamins Vitamin D (D2 + D3) µg 0.0 -- -- 0.0 0.0 0.0 0.0 0.0 0.0
Vitamins Vitamin D IU 0 -- -- 0 0 0 0 0 0
Vitamins Vitamin K (phylloquinone) 2, 3 µg 2.7 8 0.200 3.2 2.2 0.8 2.7 3.2 0.8
Lipids Fatty acids, total saturated g 6.126 -- -- 7.167 4.901 1.715 6.126 7.351 1.737
Lipids 4:0 g 0.000 -- -- 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 6:0 g 0.000 -- -- 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 8:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 10:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 12:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 13:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 14:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 15:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 16:0 1 g 4.404 7 0.095 5.153 3.523 1.233 4.404 5.285 1.249
Lipids 17:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 18:0 1 g 1.659 7 0.035 1.941 1.327 0.465 1.659 1.991 0.470
Lipids 20:0 1 g 0.063 7 0.000 0.074 0.050 0.018 0.063 0.076 0.018
Lipids 22:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 24:0 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids Fatty acids, total monounsaturated g 8.933 -- -- 10.452 7.146 2.501 8.933 10.720 2.533
Lipids 14:1 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 16:1 undifferentiated 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 18:1 undifferentiated 1 g 8.799 7 0.138 10.295 7.039 2.464 8.799 10.559 2.495
Lipids 20:1 1 g 0.134 7 0.008 0.157 0.107 0.038 0.134 0.161 0.038
Lipids 22:1 undifferentiated 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 24:1 c 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids Fatty acids, total polyunsaturated g 47.174 -- -- 55.194 37.739 13.209 47.174 56.609 13.374
Lipids 18:2 undifferentiated 1 g 38.093 7 0.304 44.569 30.474 10.666 38.093 45.712 10.799
Lipids 18:3 undifferentiated 1 g 9.080 7 0.179 10.624 7.264 2.542 9.080 10.896 2.574
Lipids 18:4 g 0.000 -- -- 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 20:2 n-6 c,c 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 20:3 undifferentiated 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 20:4 undifferentiated 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 20:5 n-3 (EPA) 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 22:5 n-3 (DPA) 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids 22:6 n-3 (DHA) 1 g 0.000 7 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids Cholesterol mg 0 -- -- 0 0 0 0 0 0
Lipids Stigmasterol 2 mg 0 4 0.000 0 0 0 0 0 0
Lipids Campesterol 2 mg 5 4 0.000 6 4 1 5 6 1
Lipids Beta-sitosterol 2 mg 87 4 3.000 102 70 24 87 104 25
Amino Acids Tryptophan 1 g 0.170 -- -- 0.199 0.136 0.048 0.170 0.204 0.048
Amino Acids Threonine 1 g 0.596 -- -- 0.697 0.477 0.167 0.596 0.715 0.169
Amino Acids Isoleucine 1 g 0.625 -- -- 0.731 0.500 0.175 0.625 0.750 0.177
Amino Acids Leucine 1 g 1.170 -- -- 1.369 0.936 0.328 1.170 1.404 0.332
Amino Acids Lysine 1 g 0.424 -- -- 0.496 0.339 0.119 0.424 0.509 0.120
Amino Acids Methionine 1 g 0.236 -- -- 0.276 0.189 0.066 0.236 0.283 0.067
Amino Acids Cystine 1 g 0.208 -- -- 0.243 0.166 0.058 0.208 0.250 0.059
Amino Acids Phenylalanine 1 g 0.711 -- -- 0.832 0.569 0.199 0.711 0.853 0.202
Amino Acids Tyrosine 1 g 0.406 -- -- 0.475 0.325 0.114 0.406 0.487 0.115
Amino Acids Valine 1 g 0.753 -- -- 0.881 0.602 0.211 0.753 0.904 0.213
Amino Acids Arginine 1 g 2.278 -- -- 2.665 1.822 0.638 2.278 2.734 0.646
Amino Acids Histidine 1 g 0.391 -- -- 0.457 0.313 0.109 0.391 0.469 0.111
Amino Acids Alanine 1 g 0.696 -- -- 0.814 0.557 0.195 0.696 0.835 0.197
Amino Acids Aspartic acid 1 g 1.829 -- -- 2.140 1.463 0.512 1.829 2.195 0.519
Amino Acids Glutamic acid 1 g 2.816 -- -- 3.295 2.253 0.788 2.816 3.379 0.798
Amino Acids Glycine 1 g 0.816 -- -- 0.955 0.653 0.228 0.816 0.979 0.231
Amino Acids Proline 1 g 0.706 -- -- 0.826 0.565 0.198 0.706 0.847 0.200
Amino Acids Serine 1 g 0.934 -- -- 1.093 0.747 0.262 0.934 1.121 0.265
Other Alcohol, ethyl g 0.0 -- -- 0.0 0.0 0.0 0.0 0.0 0.0
Other Caffeine mg 0 -- -- 0 0 0 0 0 0
Other Theobromine mg 0 -- -- 0 0 0 0 0 0
Anthocyanidins Cyanidin 5 mg 2.7 6 0.25 3.2 2.2 0.8 2.7 3.3 0.8
Anthocyanidins Petunidin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Anthocyanidins Delphinidin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Anthocyanidins Malvidin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Anthocyanidins Pelargonidin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Anthocyanidins Peonidin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (+)-Catechin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (-)-Epigallocatechin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (-)-Epicatechin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (-)-Epicatechin 3-gallate 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (-)-Epigallocatechin 3-gallate 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavan-3-ols (+)-Gallocatechin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavanones Hesperetin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavanones Naringenin 5 mg 0.0 4 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavones Apigenin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavones Luteolin 5 mg 0.0 2 -- 0.0 0.0 0.0 0.0 0.0 0.0
Flavonols Myricetin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Flavonols Quercetin 5 mg 0.0 6 0 0.0 0.0 0.0 0.0 0.0 0.0
Isoflavones Daidzein 7, 8 mg 0.02 2 -- 0.02 0.02 0.01 0.02 0.02 0.01
Isoflavones Genistein 7, 8 mg 0.01 2 -- 0.01 0.01 0.00 0.01 0.01 0.00
Isoflavones Glycitein 8 mg 0.00 1 -- 0.00 0.00 0.00 0.00 0.00 0.00
Isoflavones Total isoflavones 7, 8 mg 0.02 2 -- 0.02 0.02 0.01 0.02 0.02 0.01
Isoflavones Formononetin mg 0.00 1 -- 0.00 0.00 0.00 0.00 0.00 0.00
Isoflavones Coumestrol mg 0.00 1 -- 0.00 0.00 0.00 0.00 0.00 0.00
Proanthocyanidin Proanthocyanidin dimers 6 mg 5.7 8 0.89 6.6 4.5 1.6 5.7 6.8 1.6
Proanthocyanidin Proanthocyanidin trimers 6 mg 7.2 8 1.16 8.4 5.8 2.0 7.2 8.6 2.0
Proanthocyanidin Proanthocyanidin 4-6mers 6 mg 22.1 8 3.31 25.8 17.6 6.2 22.1 26.5 6.3
Proanthocyanidin Proanthocyanidin 7-10mers 6 mg 5.4 8 0.81 6.3 4.3 1.5 5.4 6.5 1.5
Proanthocyanidin Proanthocyanidin polymers (>10mers) 6 mg 20.0 8 9.27 23.4 16.0 5.6 20.0 24.0 5.7

Sources of Data

1California Walnut Commission Nutrient Content of Walnuts , 1999  Modesto CA  
2Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 5g , 2001  Beltsville MD  
3Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 5e , 2001  Beltsville MD  
4Nutrient Data Laboratory, ARS, USDA NDL Report Vitamin E 1997 , 1997  Beltsville MD  
5Harnly, J. M., Doherty, R., Beecher, G. R., Holden, J. M., Haytowitz, D. B., and Bhagwat, S., and Gebhardt S.  Flavonoid content of U.S. fruits, vegetables, and nuts , 2006 J. Agric. Food Chem. 54   pp.9966-9977
6Gu, L., Kelm, M.A., Hammerstone, J.F., Beecher, G., Holden, J., Haytowitz, D., Gebhardt, S., and Prior, R.L. Concentrations of proanthocyanidins in common foods and estimations of normal consumption , 2004 J. Nutr. 134   pp.613-617
7Liggins, J., Bluck, L. J. C., Runswick, S., Atkinson, C., Coward, W. A., Bingham, S. A.  Daidzein and genistein content of fruits and nuts. , 2000 J. Nutr. Biochem. 11   pp.326-331
8Thompson, L. U., Boucher, B. A., Liu, Z., Cotterchio, M., and Kreiger, N.  Phytoestrogen content of foods consumed in Canada, including isoflavones, lignans, and coumestan. , 2006 Nutr. Cancer 54   pp.184-201

Footnotes
a  Unroasted
b  Other phytosterols total 18.2 mg/100g; these include delta 5-avenasterol (7.3), campestanol (2.3), and other minor phytosterols (8.6 mg).
Langual Code(s)

  • A0260 NUT OR NUT PRODUCT (US CFR)
  • A1282 1200 NUT AND SEED PRODUCTS (USDA SR)
  • B1130 ENGLISH WALNUT
  • C0155 SEED
  • E0151 SOLID
  • F0001 EXTENT OF HEAT TREATMENT NOT KNOWN
  • G0003 COOKING METHOD NOT APPLICABLE
  • H0138 WATER REMOVED
  • J0116 DEHYDRATED OR DRIED
  • K0003 NO PACKING MEDIUM USED
  • M0001 CONTAINER OR WRAPPING NOT KNOWN
  • N0001 FOOD CONTACT SURFACE NOT KNOWN
  • P0024 HUMAN FOOD, NO AGE SPECIFICATION