United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Basic Report:  12142, Nuts, pecans a  b 
heading Nutrient Unit
Value per 100 g

cup, chopped 109 g

cup, halves 99 g

oz (19 halves) 28.35 g
Proximates Water g 3.52 3.84 3.48 1.00
Proximates Energy kcal 691 753 684 196
Proximates Protein g 9.17 10.00 9.08 2.60
Proximates Total lipid (fat) g 71.97 78.45 71.25 20.40
Proximates Carbohydrate, by difference g 13.86 15.11 13.72 3.93
Proximates Fiber, total dietary g 9.6 10.5 9.5 2.7
Proximates Sugars, total g 3.97 4.33 3.93 1.13
Minerals Calcium, Ca mg 70 76 69 20
Minerals Iron, Fe mg 2.53 2.76 2.50 0.72
Minerals Magnesium, Mg mg 121 132 120 34
Minerals Phosphorus, P mg 277 302 274 79
Minerals Potassium, K mg 410 447 406 116
Minerals Sodium, Na mg 0 0 0 0
Minerals Zinc, Zn mg 4.53 4.94 4.48 1.28
Vitamins Vitamin C, total ascorbic acid mg 1.1 1.2 1.1 0.3
Vitamins Thiamin mg 0.660 0.719 0.653 0.187
Vitamins Riboflavin mg 0.130 0.142 0.129 0.037
Vitamins Niacin mg 1.167 1.272 1.155 0.331
Vitamins Vitamin B-6 mg 0.210 0.229 0.208 0.060
Vitamins Folate, DFE µg 22 24 22 6
Vitamins Vitamin B-12 µg 0.00 0.00 0.00 0.00
Vitamins Vitamin A, RAE µg 3 3 3 1
Vitamins Vitamin A, IU IU 56 61 55 16
Vitamins Vitamin E (alpha-tocopherol) mg 1.40 1.53 1.39 0.40
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) µg 3.5 3.8 3.5 1.0
Lipids Fatty acids, total saturated g 6.180 6.736 6.118 1.752
Lipids Fatty acids, total monounsaturated g 40.801 44.473 40.393 11.567
Lipids Fatty acids, total polyunsaturated g 21.614 23.559 21.398 6.128
Lipids Cholesterol mg 0 0 0 0
Other Caffeine mg 0 0 0 0

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).