Foods sorted by copper content (g) divided by energy (kcal).
| Food |
copper (mg)/energy (kcal) |
| Mushrooms, brown, italian, or crimini, raw |
0.0227 |
| Seaweed, spirulina, dried |
0.0210 |
| Mushrooms, white, cooked, boiled, drained, without salt |
0.0180 |
| Cocoa, dry powder, unsweetened |
0.0166 |
| Mushrooms, portabella, grilled |
0.0134 |
| Spinach, cooked, boiled, drained, without salt |
0.0076 |
| Asparagus, cooked, boiled, drained, with salt |
0.0075 |
| Seeds, sesame seeds, whole, dried |
0.0071 |
| Watercress, raw |
0.0070 |
| Kale, cooked, boiled, drained, without salt |
0.0056 |
| Tomatoes, sun-dried |
0.0055 |
| Sauerkraut, canned, solids and liquids |
0.0051 |
| Tomato products, canned, sauce |
0.0048 |
| Pumpkin, cooked, boiled, drained, without salt |
0.0046 |
| Mushrooms, shiitake, raw |
0.0042 |
| Spices, turmeric, ground |
0.0042 |
| Soybeans, mature seeds, sprouted, cooked, steamed |
0.0041 |
| Baking chocolate, unsweetened, liquid |
0.0040 |
| Nuts, cashew nuts, dry roasted, without salt added |
0.0039 |
| Lentils, pink or red, raw |
0.0036 |
| Spices, fenugreek seed |
0.0034 |
| Lotus root, cooked, boiled, drained, without salt |
0.0033 |
| Buckwheat |
0.0032 |
| Natto |
0.0032 |
| Squash, summer, zucchini, includes skin, raw |
0.0031 |
