Table 4.
Micronutrient composition and total polyphenol content of different nut types
| Nut type (per 100 g) | Iron (mg) | Zinc (mg) | Potassium (mg) | Magnesium (mg) | Phosphorus (mg) | Calcium (mg) | Copper (mg) | Selenium (µg) | Thiamin (mg) | Riboflavin (mg) | Niacin equivalent (mg) | Vitamin B6 (mg) | Vitamin E (mg) | Folate (µg) | Biotin (µg) | Total polyphenols (mg)a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Almond | 3.7 | 3.1 | 733 | 270 | 481 | 269 | 1.0 | 4 | 0.21 | 1.14 | 7.0 | 0.14 | 25.6 | 44 | 64.0 | 287 |
| Brazil | 2.5 | 4.2 | 660 | 410 | 590 | 170 | 1.8 | 254 | 0.67 | 0.03 | 3.3 | 0.31 | 7.2 | 21 | 11.0 | 244 |
| Hazelnut | 3.2 | 2.1 | 730 | 160 | 300 | 140 | 1.2 | 2 | 0.43 | 0.16 | 5.1 | 0.59 | 25.0 | 72 | 76.0 | 671 |
| Mixed nuts | 2.9 | 3.5 | 696 | 222 | 452 | 94 | 1.1 | 5 | 0.89 | 0.22 | 15.0 | 0.51 | 12.8 | 93 | 66.1 | NR |
| Peanut | 2.5 | 3.5 | 670 | 210 | 430 | 60 | 1.0 | 3 | 1.14 | 0.10 | 19.3 | 0.59 | 10.1 | 110 | 72.0 | 406 |
| Walnut | 2.9 | 2.7 | 450 | 160 | 380 | 94 | 1.3 | 3 | 0.40 | 0.14 | 4.0 | 0.67 | 3.9 | 66 | 19.0 | 1574 |