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Nutritional Value of a Portabella Mushroom

Portabella mushrooms can be a great substitute for meat for those who are avoiding meat products. These mushrooms are large, hearty and meaty. Many restaurant menus feature portabella sandwiches. Before you add portabella mushrooms to your diet, you should know their nutritional benefits.

  1. Serving Size

    • The The U.S. Department of Agriculture defines one serving of portabella mushrooms as one cup of diced, raw, portabella mushrooms. This is about 86 g of mushrooms.

    Calories and Fat

    • One serving of portabella mushrooms has only 22 calories. Portabellas are also low in fat; one serving has only .2 g of fat.

    Dietary Fiber and Protein

    • These mushrooms can be a source of both dietary fiber and protein. One serving has 5 percent of your daily value of dietary fiber (1 g) and 4 percent of your daily value of protein (2 g).

    Vitamins

    • One serving of portabella mushrooms has 24 percent of your daily value of riboflavin, 19 percent of your daily value of niacin, and 13 percent of your daily value of pantothenic acid.

    Minerals

    • This mushroom is also a great source of multiple minerals. One serving has 11 percent of your daily value of phosphorus, 17 percent of your daily value of copper, and 14 percent of your daily value of selenium.

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