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Highest-protein foods — Per 100 g edible portion. Top 5:
- Soy protein isolate88.3 g
- Spirulina, dried57.5 g
- Peanut flour, defatted52.2 g
- Cottonseed flour, partially defatted49.8 g
- Dried whole egg48.1 g
Source: USDA FoodData Central