United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Full Report (All Nutrients):  12142, Nuts, pecans a  b 
Food Group: Nut and Seed Products
Scientific Name:  Carya illinoinensis
Carbohydrate Factor: 4.07   Fat Factor:8.37   Protein Factor: 3.47   Nitrogen to Protein Conversion Factor: 5.3  
Refuse: 47%   Refuse Description:   Shells
heading Nutrient Unit
Value per 100 g
# of Data Points Std. Error
cup, chopped 109 g

cup, halves 99 g

oz (19 halves) 28.35 g
Proximates Water 1 g 3.52 3 0.110 3.84 3.48 1.00
Proximates Energy kcal 691 -- -- 753 684 196
Proximates Energy kJ 2889 -- -- 3149 2860 819
Proximates Protein 1 g 9.17 3 0.080 10.00 9.08 2.60
Proximates Total lipid (fat) 1 g 71.97 3 0.120 78.45 71.25 20.40
Proximates Ash 1 g 1.49 3 0.050 1.62 1.48 0.42
Proximates Carbohydrate, by difference g 13.86 -- -- 15.11 13.72 3.93
Proximates Fiber, total dietary 1 g 9.6 3 0.400 10.5 9.5 2.7
Proximates Sugars, total g 3.97 3 0.150 4.33 3.93 1.13
Proximates Sucrose 1 g 3.90 3 0.150 4.25 3.86 1.11
Proximates Glucose (dextrose) 1 g 0.04 3 0.000 0.04 0.04 0.01
Proximates Fructose 1 g 0.04 3 0.000 0.04 0.04 0.01
Proximates Lactose 1 g 0.00 3 0.000 0.00 0.00 0.00
Proximates Maltose 1 g 0.00 3 0.000 0.00 0.00 0.00
Proximates Starch 1 g 0.46 3 0.040 0.50 0.46 0.13
Minerals Calcium, Ca 1 mg 70 3 4.000 76 69 20
Minerals Iron, Fe 1 mg 2.53 3 0.260 2.76 2.50 0.72
Minerals Magnesium, Mg 1 mg 121 3 4.000 132 120 34
Minerals Phosphorus, P 1 mg 277 3 17.000 302 274 79
Minerals Potassium, K 1 mg 410 3 17.000 447 406 116
Minerals Sodium, Na 1 mg 0 3 0.000 0 0 0
Minerals Zinc, Zn 1 mg 4.53 3 0.130 4.94 4.48 1.28
Minerals Copper, Cu 1 mg 1.200 3 0.058 1.308 1.188 0.340
Minerals Manganese, Mn 1 mg 4.500 3 1.050 4.905 4.455 1.276
Minerals Selenium, Se 1, 3, 4 µg 3.8 9 0.100 4.1 3.8 1.1
Minerals Fluoride, F 2 µg 10.0 9 -- 10.9 9.9 2.8
Vitamins Vitamin C, total ascorbic acid 1 mg 1.1 3 0.400 1.2 1.1 0.3
Vitamins Thiamin 1 mg 0.660 3 0.021 0.719 0.653 0.187
Vitamins Riboflavin 1 mg 0.130 3 0.030 0.142 0.129 0.037
Vitamins Niacin 1 mg 1.167 3 0.033 1.272 1.155 0.331
Vitamins Pantothenic acid 1 mg 0.863 3 0.078 0.941 0.854 0.245
Vitamins Vitamin B-6 1 mg 0.210 3 0.021 0.229 0.208 0.060
Vitamins Folate, total 1 µg 22 3 3.000 24 22 6
Vitamins Folic acid µg 0 -- -- 0 0 0
Vitamins Folate, food µg 22 3 3.000 24 22 6
Vitamins Folate, DFE µg 22 -- -- 24 22 6
Vitamins Choline, total 3, 4 mg 40.5 -- -- 44.1 40.1 11.5
Vitamins Betaine 3, 4 mg 0.7 5 0.074 0.8 0.7 0.2
Vitamins Vitamin B-12 µg 0.00 -- -- 0.00 0.00 0.00
Vitamins Vitamin B-12, added µg 0.00 -- -- 0.00 0.00 0.00
Vitamins Vitamin A, RAE µg 3 -- -- 3 3 1
Vitamins Retinol µg 0 -- -- 0 0 0
Vitamins Carotene, beta 1, 3, 4 µg 29 9 1.000 32 29 8
Vitamins Carotene, alpha 1, 3, 4 µg 0 9 0.000 0 0 0
Vitamins Cryptoxanthin, beta 3, 4 µg 9 8 1.000 10 9 3
Vitamins Vitamin A, IU IU 56 -- -- 61 55 16
Vitamins Lycopene 3, 4 µg 0 8 0.000 0 0 0
Vitamins Lutein + zeaxanthin 3, 4 µg 17 8 1.000 19 17 5
Vitamins Vitamin E (alpha-tocopherol) 1 mg 1.40 9 0.070 1.53 1.39 0.40
Vitamins Vitamin E, added mg 0.00 -- -- 0.00 0.00 0.00
Vitamins Tocopherol, beta 1 mg 0.39 9 0.110 0.43 0.39 0.11
Vitamins Tocopherol, gamma 1 mg 24.44 9 1.490 26.64 24.20 6.93
Vitamins Tocopherol, delta 1 mg 0.47 9 0.080 0.51 0.47 0.13
Vitamins Vitamin D (D2 + D3) µg 0.0 -- -- 0.0 0.0 0.0
Vitamins Vitamin D IU 0 -- -- 0 0 0
Vitamins Vitamin K (phylloquinone) 3, 4 µg 3.5 8 0.400 3.8 3.5 1.0
Lipids Fatty acids, total saturated g 6.180 -- -- 6.736 6.118 1.752
Lipids 4:0 g 0.000 -- -- 0.000 0.000 0.000
Lipids 6:0 g 0.000 -- -- 0.000 0.000 0.000
Lipids 8:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 10:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 12:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 13:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 14:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 15:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 16:0 1 g 4.366 3 0.213 4.759 4.322 1.238
Lipids 17:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 18:0 1 g 1.745 3 0.022 1.902 1.728 0.495
Lipids 20:0 1 g 0.069 3 0.000 0.075 0.068 0.020
Lipids 22:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 24:0 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids Fatty acids, total monounsaturated g 40.801 -- -- 44.473 40.393 11.567
Lipids 14:1 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 16:1 undifferentiated 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 18:1 undifferentiated 1 g 40.594 3 2.143 44.247 40.188 11.508
Lipids 20:1 1 g 0.207 3 0.000 0.226 0.205 0.059
Lipids 22:1 undifferentiated 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 24:1 c 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids Fatty acids, total polyunsaturated g 21.614 -- -- 23.559 21.398 6.128
Lipids 18:2 undifferentiated 1 g 20.628 3 1.806 22.485 20.422 5.848
Lipids 18:3 undifferentiated 1 g 0.986 3 0.044 1.075 0.976 0.280
Lipids 18:4 g 0.000 -- -- 0.000 0.000 0.000
Lipids 20:2 n-6 c,c 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 20:3 undifferentiated 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 20:4 undifferentiated 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 20:5 n-3 (EPA) 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 22:5 n-3 (DPA) 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids 22:6 n-3 (DHA) 1 g 0.000 3 0.000 0.000 0.000 0.000
Lipids Cholesterol mg 0 -- -- 0 0 0
Lipids Stigmasterol 3 mg 3 3 0.000 3 3 1
Lipids Campesterol 3 mg 6 3 0.000 7 6 2
Lipids Beta-sitosterol 3 mg 117 3 0.000 128 116 33
Amino Acids Tryptophan 1 g 0.093 -- -- 0.101 0.092 0.026
Amino Acids Threonine 1 g 0.306 -- -- 0.334 0.303 0.087
Amino Acids Isoleucine 1 g 0.336 -- -- 0.366 0.333 0.095
Amino Acids Leucine 1 g 0.598 -- -- 0.652 0.592 0.170
Amino Acids Lysine 1 g 0.287 -- -- 0.313 0.284 0.081
Amino Acids Methionine 1 g 0.183 -- -- 0.199 0.181 0.052
Amino Acids Cystine 1 g 0.152 -- -- 0.166 0.150 0.043
Amino Acids Phenylalanine 1 g 0.426 -- -- 0.464 0.422 0.121
Amino Acids Tyrosine 1 g 0.215 -- -- 0.234 0.213 0.061
Amino Acids Valine 1 g 0.411 -- -- 0.448 0.407 0.117
Amino Acids Arginine 1 g 1.177 -- -- 1.283 1.165 0.334
Amino Acids Histidine 1 g 0.262 -- -- 0.286 0.259 0.074
Amino Acids Alanine 1 g 0.397 -- -- 0.433 0.393 0.113
Amino Acids Aspartic acid 1 g 0.929 -- -- 1.013 0.920 0.263
Amino Acids Glutamic acid 1 g 1.829 -- -- 1.994 1.811 0.519
Amino Acids Glycine 1 g 0.453 -- -- 0.494 0.448 0.128
Amino Acids Proline 1 g 0.363 -- -- 0.396 0.359 0.103
Amino Acids Serine 1 g 0.474 -- -- 0.517 0.469 0.134
Other Alcohol, ethyl g 0.0 -- -- 0.0 0.0 0.0
Other Caffeine mg 0 -- -- 0 0 0
Other Theobromine mg 0 -- -- 0 0 0
Anthocyanidins Cyanidin 5 mg 10.7 7 1.5 11.7 10.6 3.0
Anthocyanidins Petunidin 5 mg 0.0 7 0 0.0 0.0 0.0
Anthocyanidins Delphinidin 5 mg 7.3 7 0.92 7.9 7.2 2.1
Anthocyanidins Malvidin 5 mg 0.0 7 0 0.0 0.0 0.0
Anthocyanidins Pelargonidin 5 mg 0.0 7 0 0.0 0.0 0.0
Anthocyanidins Peonidin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavan-3-ols (+)-Catechin 5 mg 7.2 7 0.51 7.9 7.2 2.1
Flavan-3-ols (-)-Epigallocatechin 5 mg 5.6 7 1.47 6.1 5.6 1.6
Flavan-3-ols (-)-Epicatechin 5 mg 0.8 7 0.08 0.9 0.8 0.2
Flavan-3-ols (-)-Epicatechin 3-gallate 5 mg 0.0 7 0 0.0 0.0 0.0
Flavan-3-ols (-)-Epigallocatechin 3-gallate 5 mg 2.3 7 0.46 2.5 2.3 0.7
Flavan-3-ols (+)-Gallocatechin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavanones Hesperetin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavanones Naringenin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavones Apigenin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavones Luteolin 5 mg 0.0 3 0 0.0 0.0 0.0
Flavonols Myricetin 5 mg 0.0 7 0 0.0 0.0 0.0
Flavonols Quercetin 5 mg 0.0 7 0 0.0 0.0 0.0
Isoflavones Daidzein 7 mg 0.00 1 -- 0.00 0.00 0.00
Isoflavones Genistein 7 mg 0.00 1 -- 0.00 0.00 0.00
Isoflavones Glycitein 7 mg 0.00 1 -- 0.00 0.00 0.00
Isoflavones Total isoflavones 7 mg 0.00 1 -- 0.00 0.00 0.00
Isoflavones Formononetin mg 0.00 1 -- 0.00 0.00 0.00
Isoflavones Coumestrol mg 0.00 1 -- 0.00 0.00 0.00
Proanthocyanidin Proanthocyanidin dimers 6 mg 42.1 8 5.42 45.9 41.7 11.9
Proanthocyanidin Proanthocyanidin trimers 6 mg 26.0 8 1.98 28.4 25.8 7.4
Proanthocyanidin Proanthocyanidin 4-6mers 6 mg 101.4 8 10.45 110.6 100.4 28.8
Proanthocyanidin Proanthocyanidin 7-10mers 6 mg 84.2 8 12.9 91.8 83.4 23.9
Proanthocyanidin Proanthocyanidin polymers (>10mers) 6 mg 223.0 8 59.05 243.1 220.8 63.2

Sources of Data

1Pecan Shellers Association Nutrient Content of Pecans , 1999    
2Robert Ophaug Fluoride, Unpublished - Ophaug ,  Microdiffision   
3Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 5n , 2001  Beltsville MD  
4Nutrient Data Laboratory, ARS, USDA National Food and Nutrient Analysis Program Wave 5c , 2001  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
7Thompson, 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 = 32.8 mg/100g; these include delta 5-avenasterol (14.3), campestanol (2.8), brassicasterol (0.5), and other minor phytosterols (15.1 mg).
Langual Code(s)

  • A0260 NUT OR NUT PRODUCT (US CFR)
  • A1282 1200 NUT AND SEED PRODUCTS (USDA SR)
  • B1320 PECAN
  • 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