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| Chemical Name | Dosage | Reference |
|---|---|---|
| ASCORBIC-ACID | 1,000-3,000 mg/day | Duke, 1992 * |
| PECTIN | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Hydrangea arborescens | Smooth Hydrangea; Hydrangea | 1 | 0 |
| Hydrastis canadensis | Goldenseal | 1 | 681 |
| Hylocereus guatemalensis | Guatemala Cereus; Nopalito De Guatemala | 1 | 1, 030 |
| Hylocereus undatus | Night-Blooming Cereus; Nopalito De Noche; Strawberry Pear; Belle-of-the-Night; Queen-of-the-Night | 1 | 2, 575 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 2 | 8, 557.5 |
| Inga edulis | Guaba; Icecream Bean | 1 | 710 |
| Inula helenium | Elecampane | 1 | 20 |
| Ipomoea aquatica | Swamp Cabbage; Water Spinach | 2 | 29, 800 |
| Ipomoea batatas | Sweet Potato | 2 | 35, 420 |
| Iris x germanica | Orris | 1 | 9, 930 |
| Juglans nigra | Black Walnut | 1 | 0 |
| Juglans regia | English Walnut | 1 | 28, 052 |
| Juniperus communis | Common Juniper; Juniper | 2 | 15, 200 |
| Justicia pectoralis | Angel Of Death; Bolek Hena; Curia | 1 | 5, 601 |
| Kalmia latifolia | Mountain Laurel; Calico Bush; Spoonwood | 1 | 0 |
| Lablab purpureus | Bonavist Bean; Hyacinth Bean; Lablab Bean | 1 | 3, 379.7999954223633 |
| Lactuca sativa | Lettuce | 1 | 3, 000 |
| Lagenaria siceraria | Calabash Gourd; White-Flowered Gourd | 2 | 425, 190 |
| Larrea tridentata | Chaparral; Creosote Bush | 1 | 1, 520 |
| Lens culinaris | Lentil | 1 | 675 |