Protein content
A 1 cup serving of mashed sweet potato contains 5 g of protein - a moderate source of protein, about 10% of the 50 g Daily Value.
Share of this food's calories that come from protein - it is more of an energy food than a protein food.
| Serving | 1 cup (255 g) |
|---|---|
| Protein per serving | 5 g |
| Protein per 100 g | 1.98 g |
| Calories per serving | 258 kcal |
| Protein density | 8% of calories |
| Share of 50 g Daily Value | 10% |
| Protein quality | Incomplete protein |
| Category | Vegetables |
| Food type | Prepared / processed |
| USDA record | FoodData Central #169305 |
A typical 1 cup serving of mashed sweet potato contains 5 grams of protein (1.98 g per 100 g), which makes it a moderate source of protein. That covers roughly 10% of the 50 g reference Daily Value, so it adds toward your protein total for the day.
Only about 8% of the calories in mashed sweet potato come from protein, so it is more of an energy food than a protein food. It is worth eating for other reasons; the protein it adds to a day is incidental.
Among the 105 vegetables in the database, mashed sweet potato ranks 11th by protein per serving, and 496th out of all 796 foods on the site. Set against creamed corn, another vegetable entry in the database, a serving carries about 0.5 g more protein (creamed corn has 4.5 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 255 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Source: USDA FoodData Central #169305 - "Sweet potato, canned, mashed" (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
Mashed sweet potato has 1.98 g of protein per 100 g. A typical 1 cup serving (255 g) provides 5 g.
No. Mashed sweet potato 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 serving of mashed sweet potato contains 5 g of protein, about 10% of the 50 g reference Daily Value.
Mashed sweet potato is a moderate source of protein, and about 8% of its calories come from protein, which makes it more of an energy food than a protein food. Set against creamed corn, another vegetable entry in the database, a serving carries about 0.5 g more protein (creamed corn has 4.5 g per 1 cup).
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