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| Chemical Name | Dosage | Reference |
|---|---|---|
| CAFFEINE | FEMA 125 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CAMPHENE | FEMA 15-175 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CAPSAICIN | 0.009-10 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARVACROL | FEMA 10-125 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARVACRYL-ETHYLETHER | FEMA 4-40 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARVONE | FEMA 80-3,000 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARYOPHYLLENE | FEMA 20-200 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARYOPHYLLENE-ACETATE | FEMA 2-175 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CARYOPHYLLENE-ALCOHOL | FEMA 5-50 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMALDEHYDE | not available | Duke, 1992 * |
| CINNAMIC-ACID | FEMA 4-40 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMICALDEHYDE-ETHYLENE-GLYCOL-ACETAL | FEMA<1-2 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-ACETATE | FEMA 1-18 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-ANTHRANILATE | FEMA 3-750 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-BUTYRATE | FEMA <1-2 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-CINNAMATE | FEMA <1 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-FORMATE | FEMA <1 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-ISOBUTYRATE | FEMA 2-150 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-ISOVALERATE | FEMA 2-40 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| CINNAMYL-PROPIONATE | FEMA 1-50 | Aloe Research Council - Duke writeup of non-peer reviewd book by Coats and draft by Henry |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Ocimum suave | Kenyan Tree Basil | 4 | 5, 112 |
| Ocimum tenuiflorum | Anise-Scented Basil | 18 | 43, 758 |
| Oenanthe aquatica | Water Fennel; Water Hemlock | 2 | 0 |
| Oenanthe crocata | Water Dropwort | 1 | 0 |
| Oenanthe javanica | Javan Water Dropwort | 6 | 0 |
| Oenothera biennis | Evening-Primrose | 5 | 450, 985 |
| Olea europaea | Olive | 5 | 384, 470 |
| Ononis spinosa | Spiny Restharrow; Restharrow; Hauhechel (Ger.) | 3 | 0 |
| Opuntia ficus-indica | Indian Fig; Prickly Pear; Nopal; Nopalito | 7 | 1, 385, 760 |
| Origanum creticum | Dittany Of Crete | 1 | 0 |
| Origanum majorana | Marjoram; Sweet Marjoram | 32 | 4, 484, 300 |
| Origanum minutiflorum | Small-Flowered Oregano | 21 | 24, 215 |
| Origanum onites | Oregano; Pot Marjoram | 30 | 102, 594.40000000596 |
| Origanum sipyleum | Bayircayi; Guveyoto | 18 | 83, 300.19999991357 |
| Origanum syriacum | Za'Atar | 24 | 91, 488.20000000298 |
| Origanum vulgare | Greek Oregano; Wild Oregano; Common Turkish Oregano | 41 | 18, 612, 190.799999997 |
| Oryza sativa | Rice | 8 | 111, 610 |
| Pachira aquatica | Provision Tree | 3 | 591, 600 |
| Pachyrhizus erosus | Yambean | 5 | 7, 095 |
| Paeonia lactiflora | Chih-Shao; Peony; Common Garden Peony; White Peony; Bai Shao (Chinese) | 2 | 55, 000 |