United States Department of Agriculture
Agricultural Research Service
USDA Branded Food Products Database
Try FoodData Central Basic Report:  11282, Onions, raw
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heading Nutrient Unit
Value per 100 g
cup, chopped 160 g
cup, sliced 115 g
tbsp chopped 10 g
large 150 g
slice, large (1/4" thick) 38 g
medium (2-1/2" dia) 110 g
slice, medium (1/8" thick) 14 g
small 70 g
slice, thin 9 g
rings 60 g
Proximates Water g 89.11 142.58 102.48 8.91 133.66 33.86 98.02 12.48 62.38 8.02 53.47
Proximates Energy kcal 40 64 46 4 60 15 44 6 28 4 24
Proximates Protein g 1.10 1.76 1.27 0.11 1.65 0.42 1.21 0.15 0.77 0.10 0.66
Proximates Total lipid (fat) g 0.10 0.16 0.12 0.01 0.15 0.04 0.11 0.01 0.07 0.01 0.06
Proximates Carbohydrate, by difference g 9.34 14.94 10.74 0.93 14.01 3.55 10.27 1.31 6.54 0.84 5.60
Proximates Fiber, total dietary g 1.7 2.7 2.0 0.2 2.5 0.6 1.9 0.2 1.2 0.2 1.0
Proximates Sugars, total g 4.24 6.78 4.88 0.42 6.36 1.61 4.66 0.59 2.97 0.38 2.54
Minerals Calcium, Ca mg 23 37 26 2 34 9 25 3 16 2 14
Minerals Iron, Fe mg 0.21 0.34 0.24 0.02 0.32 0.08 0.23 0.03 0.15 0.02 0.13
Minerals Magnesium, Mg mg 10 16 12 1 15 4 11 1 7 1 6
Minerals Phosphorus, P mg 29 46 33 3 44 11 32 4 20 3 17
Minerals Potassium, K mg 146 234 168 15 219 55 161 20 102 13 88
Minerals Sodium, Na mg 4 6 5 0 6 2 4 1 3 0 2
Minerals Zinc, Zn mg 0.17 0.27 0.20 0.02 0.26 0.06 0.19 0.02 0.12 0.02 0.10
Vitamins Vitamin C, total ascorbic acid mg 7.4 11.8 8.5 0.7 11.1 2.8 8.1 1.0 5.2 0.7 4.4
Vitamins Thiamin mg 0.046 0.074 0.053 0.005 0.069 0.017 0.051 0.006 0.032 0.004 0.028
Vitamins Riboflavin mg 0.027 0.043 0.031 0.003 0.041 0.010 0.030 0.004 0.019 0.002 0.016
Vitamins Niacin mg 0.116 0.186 0.133 0.012 0.174 0.044 0.128 0.016 0.081 0.010 0.070
Vitamins Vitamin B-6 mg 0.120 0.192 0.138 0.012 0.180 0.046 0.132 0.017 0.084 0.011 0.072
Vitamins Folate, DFE µg 19 30 22 2 28 7 21 3 13 2 11
Vitamins Vitamin B-12 µg 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Vitamins Vitamin A, RAE µg 0 0 0 0 0 0 0 0 0 0 0
Vitamins Vitamin A, IU IU 2 3 2 0 3 1 2 0 1 0 1
Vitamins Vitamin E (alpha-tocopherol) mg 0.02 0.03 0.02 0.00 0.03 0.01 0.02 0.00 0.01 0.00 0.01
Vitamins Vitamin D (D2 + D3) µg 0.0 0.0 0.0 0.0 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 0 0 0 0
Vitamins Vitamin K (phylloquinone) µg 0.4 0.6 0.5 0.0 0.6 0.2 0.4 0.1 0.3 0.0 0.2
Lipids Fatty acids, total saturated g 0.042 0.067 0.048 0.004 0.063 0.016 0.046 0.006 0.029 0.004 0.025
Lipids Fatty acids, total monounsaturated g 0.013 0.021 0.015 0.001 0.019 0.005 0.014 0.002 0.009 0.001 0.008
Lipids Fatty acids, total polyunsaturated g 0.017 0.027 0.020 0.002 0.026 0.006 0.019 0.002 0.012 0.002 0.010
Lipids Fatty acids, total trans g 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Lipids Cholesterol mg 0 0 0 0 0 0 0 0 0 0 0
Other Caffeine mg 0 0 0 0 0 0 0 0 0 0 0