United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Basic Report:  11987, Mushrooms, oyster, raw a 
heading Nutrient Unit
Value per 100 g

large 148g

small 15g

cup sliced 86g
Proximates Water g 89.18 131.99 13.38 76.69
Proximates Energy kcal 33 49 5 28
Proximates Protein g 3.31 4.90 0.50 2.85
Proximates Total lipid (fat) g 0.41 0.61 0.06 0.35
Proximates Carbohydrate, by difference g 6.09 9.01 0.91 5.24
Proximates Fiber, total dietary g 2.3 3.4 0.3 2.0
Proximates Sugars, total g 1.11 1.64 0.17 0.95
Minerals Calcium, Ca mg 3 4 0 3
Minerals Iron, Fe mg 1.33 1.97 0.20 1.14
Minerals Magnesium, Mg mg 18 27 3 15
Minerals Phosphorus, P mg 120 178 18 103
Minerals Potassium, K mg 420 622 63 361
Minerals Sodium, Na mg 18 27 3 15
Minerals Zinc, Zn mg 0.77 1.14 0.12 0.66
Vitamins Vitamin C, total ascorbic acid mg 0.0 0.0 0.0 0.0
Vitamins Thiamin mg 0.125 0.185 0.019 0.108
Vitamins Riboflavin mg 0.349 0.517 0.052 0.300
Vitamins Niacin mg 4.956 7.335 0.743 4.262
Vitamins Vitamin B-6 mg 0.110 0.163 0.016 0.095
Vitamins Folate, DFE b µg 38 56 6 33
Vitamins Vitamin B-12 µg 0.00 0.00 0.00 0.00
Vitamins Vitamin A, RAE µg 2 3 0 2
Vitamins Vitamin A, IU IU 48 71 7 41
Vitamins Vitamin E (alpha-tocopherol) mg 0.00 0.00 0.00 0.00
Vitamins Vitamin D (D2 + D3) µg 0.7 1.0 0.1 0.6
Vitamins Vitamin D IU 29 43 4 25
Vitamins Vitamin K (phylloquinone) µg 0.0 0.0 0.0 0.0
Lipids Fatty acids, total saturated g 0.062 0.092 0.009 0.053
Lipids Fatty acids, total monounsaturated g 0.031 0.046 0.005 0.027
Lipids Fatty acids, total polyunsaturated g 0.123 0.182 0.018 0.106
Lipids Fatty acids, total trans g 0.000 0.000 0.000 0.000
Lipids Cholesterol mg 0 0 0 0
Other Caffeine mg 0 0 0 0

Footnotes

a  Ergosterol = 64 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