United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Legacy Release
Try FoodData Central Basic Report:  11263, Mushrooms, white, stir-fried a 
heading Nutrient Unit
Value per 85.8 g

cup sliced 108 g
Proximates Water g 78.16 98.39
Proximates Energy kcal 22 28
Proximates Protein g 3.07 3.87
Proximates Total lipid (fat) g 0.28 0.36
Proximates Carbohydrate, by difference g 3.47 4.36
Proximates Fiber, total dietary g 1.5 1.9
Proximates Sugars, total g 0.00 0.00
Minerals Calcium, Ca mg 3 4
Minerals Iron, Fe mg 0.21 0.27
Minerals Magnesium, Mg mg 9 12
Minerals Phosphorus, P mg 90 113
Minerals Potassium, K mg 340 428
Minerals Sodium, Na mg 10 13
Minerals Zinc, Zn mg 0.49 0.62
Vitamins Vitamin C, total ascorbic acid mg 0.0 0.0
Vitamins Thiamin mg 0.082 0.104
Vitamins Riboflavin mg 0.397 0.500
Vitamins Niacin mg 3.421 4.306
Vitamins Vitamin B-6 mg 0.036 0.045
Vitamins Folate, DFE µg 17 22
Vitamins Vitamin B-12 µg 0.00 0.00
Vitamins Vitamin A, RAE µg 0 0
Vitamins Vitamin A, IU IU 0 0
Vitamins Vitamin E (alpha-tocopherol) mg 0.00 0.00
Vitamins Vitamin D (D2 + D3) µg 0.2 0.2
Vitamins Vitamin D IU 7 9
Vitamins Vitamin K (phylloquinone) µg 0.0 0.0
Lipids Fatty acids, total saturated g 0.034 0.043
Lipids Fatty acids, total monounsaturated g 0.000 0.000
Lipids Fatty acids, total polyunsaturated g 0.137 0.173
Lipids Fatty acids, total trans g 0.000 0.000
Lipids Cholesterol mg 0 0
Other Caffeine mg 0 0

Footnotes
a  Water used in stir-frying. No fat added.