Table 2.
Selected examples of average ratio of phosphorus to protein comparing plant and animal-based foods illustrating differences in phosphorus uptake in chronic kidney disease (CKD)
| Protein category | Amount | Phosphorus (mg) | Protein (g) | Ratio of mg phosphorus to g of protein | Adjusted ratio for phosphorus digestion and absorption |
|---|---|---|---|---|---|
| Animal based | |||||
| Chicken thigh | 3 oz (120 g) | 148 | 22.0 | 6.7 | 4.9 |
| Egg, raw | 1 large (50 g) | 86 | 6.0 | 14.3 | 10.5 |
| Macaroni and cheese, boxed, prepared | 1 cup (240 g) | 265 | 11.0 | 24.1 | 16.1 |
| Milk, whole | 1 cup (240 mL) | 227 | 8.0 | 28.4 | 20.9 |
| Plant-based | |||||
| Almonds | 1 oz (30 g) | 139 | 6.0 | 23.2 | 13.6 |
| Peanut butter, chunky | 2 Tablesp (32 g) | 101 | 8.0 | 12.6 | 7.4 |
| Sunflower seeds | 1 oz (30 g) | 322 | 8.0 | 53.7 | 31.6 |
| Tofu, firm | 3 oz (100 g) | 76 | 6.0 | 12.7 | 7.5 |