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| Chemical Name | Dosage | Reference |
|---|---|---|
| COSTULONIDE | 50-200 mg/kg/day | Duke, 1992 * |
| LIMONENE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Citrus sinensis | Orange | 1 | 9, 978 |
| Cleonia lusitanica | Spanish Heal-All | 1 | 325 |
| Cocos nucifera | Coconut; Coconut Palm; Copra; Nariyal; Kokospalme (Ger.); Cocotero (Sp.) | 1 | 0 |
| Collinsonia canadensis | Stone Root | 1 | 0 |
| Commiphora myrrha | Myrrh; African Myrrh; Herabol Myrrh; Somali Myrrh; Myrrhe (Fr., Ger.); Mirra (Sp. It.) | 1 | 0 |
| Coriandrum sativum | Coriander; Chinese Parsley; Cilantro | 1 | 60, 564 |
| Coridothymus capitatus | Spanish Oregano | 1 | 110 |
| Crocus sativus | Saffron | 1 | 0 |
| Cuminum cyminum | Cumin | 1 | 3, 892 |
| Cunila origanoides | Mountain Dittany; Frost Flower; Frost Mint; Maryland Dittany; American Dittany; Stone Mint; Dittany | 1 | 980 |
| Curcuma longa | Turmeric; Indian Saffron | 1 | 9, 610 |
| Cymbopogon citratus | West Indian Lemongrass; Lemongrass | 1 | 0 |
| Cymbopogon flexuosus | East Indian Lemongrass | 1 | 0 |
| Cymbopogon martinii | Palmarosa; Rosha Grass | 1 | 0 |
| Cymbopogon parkeri | Skhabar | 1 | 634 |
| Cyperus rotundus | Nutsedge | 1 | 0 |
| Daucus carota | Carrot | 1 | 1, 676 |
| Dictamnus albus | Akgiritotu; Burning Bush; Dittany; Gas Plant; Gazelotu | 1 | 85 |
| Dictamnus hispanicus | not available | 1 | 0 |
| Dracocephalum thymiflora | Thyme-Flowered Moldavica | 1 | 10 |