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| Chemical Name | Dosage | Reference |
|---|---|---|
| 5-METHOXY-PSORALEN | not available | Economic & Medicinal Plant Research, 6: 189. |
| 8-METHOXY-PSORALEN | not available | Economic & Medicinal Plant Research, 6: 189. |
| IMPERATORIN | not available | Duke, 1992 * |
| PHENYLALANINE | 100 mg/kg/day/orl/man | Martindale's 29th |
| XANTHOTOXIN | 20 mg/man/day | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Scutellaria baicalensis | Chinese Skullcap; Huang Qin; Baikal Skullcap | 1 | 0 |
| Secale cereale | Rye | 1 | 7, 570 |
| Sechium edule | Chayote | 1 | 7, 430 |
| Senna obtusifolia | Sicklepod | 1 | 6, 530 |
| Sesamum indicum | Sesame; Benneseed; Beni; Ajonjoli (Sp.); Sesamo (Sp.) | 1 | 49, 315 |
| Sinapis alba | White Mustard | 1 | 11, 416 |
| Solanum melongena | Aubergine; Eggplant | 1 | 11, 400 |
| Solanum tuberosum | Potato | 1 | 5, 550 |
| Spinacia oleracea | Spinach | 1 | 15, 320 |
| Stachys officinalis | Betony; Wood Betony; Bishop's-Wort; Purple Betony | 1 | 0 |
| Theobroma cacao | Cacao | 1 | 5, 600 |
| Thymus vulgaris | Common Thyme; Garden Thyme; Thyme | 1 | 7, 809 |
| Tilia sp. | Basswood; Lime; Linden | 1 | 0 |
| Trifolium pratense | Red Clover; Purple Clover; Peavine Clover; Cowgrass | 1 | 0 |
| Trigonella foenum-graecum | Fenugreek; Greek Clover; Greek Hay; Bockshornklee (Ger.); Alholva (Sp.) | 1 | 59, 900 |
| Triticum aestivum | Wheat | 1 | 19, 694 |
| Urtica dioica | European Nettle; Stinging Nettle | 1 | 0 |
| Vaccinium corymbosum | Blueberry | 1 | 1, 560 |
| Valeriana officinalis | Valerian; Common Valerian; Garden-Heliotrope | 1 | 0 |
| Valerianella locusta | Corn Salad; Lamb's Lettuce | 1 | 25, 280 |