United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Basic Report:  11265, Mushrooms, portabella, raw a 
heading Nutrient Unit
Value per 100 g

cup diced 86g

piece whole 84g
Proximates Water g 92.82 79.83 77.97
Proximates Energy kcal 22 19 18
Proximates Protein g 2.11 1.81 1.77
Proximates Total lipid (fat) g 0.35 0.30 0.29
Proximates Carbohydrate, by difference g 3.87 3.33 3.25
Proximates Fiber, total dietary g 1.3 1.1 1.1
Proximates Sugars, total g 2.50 2.15 2.10
Minerals Calcium, Ca mg 3 3 3
Minerals Iron, Fe mg 0.31 0.27 0.26
Minerals Phosphorus, P mg 108 93 91
Minerals Potassium, K mg 364 313 306
Minerals Sodium, Na mg 9 8 8
Minerals Zinc, Zn mg 0.53 0.46 0.45
Vitamins Vitamin C, total ascorbic acid mg 0.0 0.0 0.0
Vitamins Thiamin mg 0.059 0.051 0.050
Vitamins Riboflavin mg 0.130 0.112 0.109
Vitamins Niacin mg 4.494 3.865 3.775
Vitamins Vitamin B-6 mg 0.148 0.127 0.124
Vitamins Folate, DFE b µg 28 24 24
Vitamins Vitamin B-12 µg 0.05 0.04 0.04
Vitamins Vitamin A, RAE µg 0 0 0
Vitamins Vitamin A, IU IU 0 0 0
Vitamins Vitamin E (alpha-tocopherol) mg 0.02 0.02 0.02
Vitamins Vitamin D (D2 + D3) µg 0.3 0.3 0.3
Vitamins Vitamin D IU 10 9 8
Vitamins Vitamin K (phylloquinone) µg 0.0 0.0 0.0
Lipids Fatty acids, total saturated g 0.060 0.052 0.050
Lipids Fatty acids, total monounsaturated g 0.020 0.017 0.017
Lipids Fatty acids, total polyunsaturated g 0.117 0.101 0.098
Lipids Fatty acids, total trans g 0.000 0.000 0.000
Lipids Cholesterol mg 0 0 0
Other Caffeine mg 0 0 0

Footnotes

a  Ergosterol = 56 mg/100 g.
b  Mean value contains data based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid plus total folate determined microbiologically
b  Mean value contains data based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid plus total folate determined microbiologically
b  Mean value contains data based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid plus total folate determined microbiologically