United States Department of Agriculture
Agricultural Research Service

National Nutrient Database for Standard Reference Release 28
Basic Report:  11238, Mushrooms, shiitake, raw a 
heading Nutrient Unit
Value per 100 g

piece whole 19g
Proximates Water g 89.74 17.05
Proximates Energy kcal 34 6
Proximates Protein g 2.24 0.43
Proximates Total lipid (fat) g 0.49 0.09
Proximates Carbohydrate, by difference g 6.79 1.29
Proximates Fiber, total dietary g 2.5 0.5
Proximates Sugars, total g 2.38 0.45
Minerals Calcium, Ca mg 2 0
Minerals Iron, Fe mg 0.41 0.08
Minerals Magnesium, Mg mg 20 4
Minerals Phosphorus, P mg 112 21
Minerals Potassium, K mg 304 58
Minerals Sodium, Na mg 9 2
Minerals Zinc, Zn mg 1.03 0.20
Vitamins Thiamin mg 0.015 0.003
Vitamins Riboflavin mg 0.217 0.041
Vitamins Niacin mg 3.877 0.737
Vitamins Vitamin B-6 mg 0.293 0.056
Vitamins Folate, DFE b µg 13 2
Vitamins Vitamin D (D2 + D3) µg 0.4 0.1
Vitamins Vitamin D IU 18 3
Lipids Fatty acids, total trans g 0.000 0.000

Footnotes

a  Ergosterol = 85 mg/100 g.
b  Value based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid
b  Value based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid
b  Value based on the analysis of 5-methyltetrahydrofolate, 10-Formyl folic acid, and 5-Formyltetrahydrofolic acid