United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Try FoodData Central Basic Report:  18360, Taco shells, baked a 
heading Nutrient Unit
Value per 100 g

shell 12.9 g

taco 12.7 g

medium (approx 5" dia) 13.3 g

large (6-1/2" dia) 21 g

miniature (3" dia) 5 g

oz 28.35 g
Proximates Water g 6.40 0.83 0.81 0.85 1.34 0.32 1.81
Proximates Energy kcal 476 61 60 63 100 24 135
Proximates Protein g 6.41 0.83 0.81 0.85 1.35 0.32 1.82
Proximates Total lipid (fat) g 21.79 2.81 2.77 2.90 4.58 1.09 6.18
Proximates Carbohydrate, by difference g 63.49 8.19 8.06 8.44 13.33 3.17 18.00
Proximates Fiber, total dietary g 6.7 0.9 0.9 0.9 1.4 0.3 1.9
Proximates Sugars, total g 1.50 0.19 0.19 0.20 0.32 0.07 0.43
Minerals Calcium, Ca mg 100 13 13 13 21 5 28
Minerals Iron, Fe mg 1.64 0.21 0.21 0.22 0.34 0.08 0.46
Minerals Magnesium, Mg mg 83 11 11 11 17 4 24
Minerals Phosphorus, P mg 233 30 30 31 49 12 66
Minerals Potassium, K mg 231 30 29 31 49 12 65
Minerals Sodium, Na mg 324 42 41 43 68 16 92
Minerals Zinc, Zn mg 1.61 0.21 0.20 0.21 0.34 0.08 0.46
Vitamins Vitamin C, total ascorbic acid mg 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Vitamins Thiamin mg 0.216 0.028 0.027 0.029 0.045 0.011 0.061
Vitamins Riboflavin mg 0.080 0.010 0.010 0.011 0.017 0.004 0.023
Vitamins Niacin mg 1.867 0.241 0.237 0.248 0.392 0.093 0.529
Vitamins Vitamin B-6 mg 0.203 0.026 0.026 0.027 0.043 0.010 0.058
Vitamins Folate, DFE µg 85 11 11 11 18 4 24
Vitamins Vitamin B-12 µg 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Vitamins Vitamin A, RAE µg 1 0 0 0 0 0 0
Vitamins Vitamin A, IU IU 17 2 2 2 4 1 5
Vitamins Vitamin E (alpha-tocopherol) mg 0.69 0.09 0.09 0.09 0.14 0.03 0.20
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) µg 8.6 1.1 1.1 1.1 1.8 0.4 2.4
Lipids Fatty acids, total saturated g 7.105 0.917 0.902 0.945 1.492 0.355 2.014
Lipids Fatty acids, total monounsaturated g 6.935 0.895 0.881 0.922 1.456 0.347 1.966
Lipids Fatty acids, total polyunsaturated g 5.495 0.709 0.698 0.731 1.154 0.275 1.558
Lipids Fatty acids, total trans g 0.172 0.022 0.022 0.023 0.036 0.009 0.049
Lipids Cholesterol mg 0 0 0 0 0 0 0
Other Caffeine mg 0 0 0 0 0 0 0

Footnotes
a  Item includes both regular corn and whole grain corn tortilla shells.