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| Chemical Name | Dosage | Reference |
|---|---|---|
| TROLOX | IC50 (uM)=170 | Duke, 1992 * |
| ZINGERONE | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Centaurea calcitrapa | Star-Thistle | 1 | 0 |
| Centaurea cyanus | Cornflower; Bachelor's Button | 2 | 0 |
| Centella asiatica | Gotu Kola; Pennywort | 2 | 0 |
| Ceratonia siliqua | Carob; St.John's-Bread; Locust Bean | 2 | 0 |
| Chelidonium majus | Celandine | 2 | 0 |
| Chimaphila umbellata | King's Cure; Pipsissewa | 1 | 0 |
| Chrysanthemum parthenium | Feverfew | 1 | 0 |
| Cichorium endivia | Endive; Escarole | 1 | 0 |
| Cichorium intybus | Chicory; Witloof; Succory | 4 | 63 |
| Cinchona pubescens | Quinine; Red Cinchona; Red Peruvian-Bark; Redbark | 1 | 0 |
| Cinchona spp | Quinine | 1 | 0 |
| Cinnamomum aromaticum | Cassia; Cassia Bark; Cassia Lignea; Chinese Cassia; Chinese Cinnamon; China Junk Cassia; Saigon Cinnamon; Zimtcassie (Ger.); Canela de la China (Sp.); Canelero chino (Sp.); Chinazimt (Ger.); Chinesischer Zimtbaum (Ger.); Kashia-Keihi (Jap.); Canelle de Cochinchine (Fr.); Cannelier Casse (Fr.); Cannelier de Chine (Fr.) | 1 | 0 |
| Cinnamomum camphora | Camphor; Ho Leaf | 2 | 0 |
| Cinnamomum sieboldii | Japanese Cinnamon | 1 | 0 |
| Cinnamomum verum | Cinnamon; Ceylon Cinnamon | 1 | 22 |
| Citrus limon | Lemon | 2 | 0 |
| Citrus paradisi | Grapefruit | 5 | 0 |
| Citrus reticulata | Mandarin; Tangerine | 1 | 0 |
| Citrus sinensis | Orange | 2 | 3.4000000953674316 |
| Citrus spp | Citrus | 1 | 0 |