Protein content
A 1 cup sliced serving of mushrooms contains 2.2 g of protein - only a minor source of protein, about 4% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is very protein-dense.
| Serving | 1 cup sliced (70 g) |
|---|---|
| Protein per serving | 2.2 g |
| Protein per 100 g | 3.09 g |
| Calories per serving | 15 kcal |
| Protein density | 56% of calories |
| Share of 50 g Daily Value | 4% |
| Protein quality | Incomplete protein |
| Category | Vegetables |
| Food type | Whole food |
| USDA record | FoodData Central #169251 |
A typical 1 cup sliced serving of mushrooms contains 2.2 grams of protein (3.09 g per 100 g), which makes it only a minor source of protein. That covers roughly 4% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
About 56% of the calories in mushrooms come from protein, which makes it very protein-dense - close to the practical ceiling for a whole food. Foods in this band are the ones that let you raise your protein intake without raising your calorie intake much at all.
Among the 105 vegetables in the database, mushrooms ranks 45th by protein per serving, and 641st out of all 796 foods on the site. Set against boiled potatoes, another vegetable entry in the database, a serving carries about 0.5 g less protein (boiled potatoes has 2.7 g per 1 cup).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving above is measured by volume at 70 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #169251 - "Mushrooms, white, raw" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Mushrooms has 3.09 g of protein per 100 g. A typical 1 cup sliced serving (70 g) provides 2.2 g.
No. Mushrooms is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
A 1 cup sliced serving of mushrooms contains 2.2 g of protein, about 4% of the 50 g reference Daily Value.
Mushrooms is only a minor source of protein, and about 56% of its calories come from protein, which makes it very protein-dense. Set against boiled potatoes, another vegetable entry in the database, a serving carries about 0.5 g less protein (boiled potatoes has 2.7 g per 1 cup).
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