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| Chemical Name | Dosage | Reference |
|---|---|---|
| SECURININE | not available | Duke, 1992 * |
| SELENIUM | not available | Duke, 1992 * |
| SELENIUM-SULFIDE | not available | Duke, 1992 * |
| SELOVICIN | not available | Duke, 1992 * |
| SENDANIN | not available | Duke, 1992 * |
| SERGOLIDE | not available | Duke, 1992 * |
| SERPENTINE | not available | Duke, 1992 * |
| SESAMIN | not available | Duke, 1992 * |
| SESELIN | not available | Duke, 1992 * |
| SHEKANIN | not available | Duke, 1992 * |
| SHIKIMIC-ACID | not available | Duke, 1992 * |
| SHIKONIN | not available | Duke, 1992 * |
| SHIROMODIOL | not available | Duke, 1992 * |
| SHIROMODIOL-DIACETATE | not available | Duke, 1992 * |
| SHIROMODIOL-MONOACETATE | not available | Duke, 1992 * |
| SHOGAOL | not available | Duke, 1992 * |
| SHOREIC-ACID | not available | Duke, 1992 * |
| SHUTERONE | not available | Duke, 1992 * |
| SIDERINE | not available | Duke, 1992 * |
| SIGMOIDIN-A | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Strophanthus gratus | Ouabain | 1 | 0 |
| Strophanthus hispidus | Hispid Ouabain | 2 | 10, 000 |
| Strophanthus kombe | Kombe Arrow Poison | 2 | 2, 400 |
| Strychnos nux-vomica | Nux-Vomica; Stychnine | 4 | 163, 440 |
| Styrax benzoin | Benzoin; Onycha; Styrax | 4 | 0 |
| Styrax tonkinensis | Siam Benzoin | 3 | 203, 002 |
| Sweetia panamensis | Billy Webb; Cascara Amarga | 1 | 0 |
| Swertia chirata | Chirata; Chiretta | 8 | 0 |
| Symphoricarpos orbiculatus | Buckbush | 4 | 4, 494.679999902844 |
| Symphytum officinale | Comfrey | 10 | 96, 430.29999947548 |
| Symplocarpus foetidus | Skunk Cabbage | 1 | 0 |
| Syringa vulgaris | Lilac | 12 | 1, 315 |
| Syzygium aromaticum | Clove; Clovetree | 47 | 1, 920, 706 |
| Syzygium claviflorum | not available | 1 | 20 |
| Syzygium cumini | Aceituna Dulce; Jambolan; Java Plum | 7 | 7, 865.399999856949 |
| Syzygium jambos | Pomarrosa; Rose Apple | 4 | 6, 968.200000047684 |
| Syzygium malaccense | Malay Apple; Mammey Pomorrosa; Ohia | 2 | 13, 855.5 |
| Tabebuia heptaphylla | Pau D'Arco | 10 | 185.60000003874302 |
| Tabebuia impetiginosa | Pau d'arco; Taheebo | 11 | 404, 460 |
| Tabernanthe iboga | Iboga | 1 | 0 |