Vegetables
Vegetables [8] are rich sources of polyphenols. Common vegetables that contain high levels of polyphenols include:
- Artichokes, with 260 mg polyphenols
- Chicory, with 166–235 mg polyphenols
- Red onions, with 168 mg polyphenols
- Spinach, with 119 mg polyphenols
Soy
Soy contains high levels of polyphenols and other vital micronutrient. [9] These forms include:
- Soy tempeh, which contains 148 mg polyphenols
- Soybean sprouts, which contains 15 mg polyphenols
- Soy flour, which contains 466 mg polyphenols
- Tofu, which contains 42 mg polyphenols
- Soy yogurt, which contains 84 mg polyphenols