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| Chemical Name | Dosage | Reference |
|---|---|---|
| ASCORBIC-ACID | 1,000-3,000 mg/day | Duke, 1992 * |
| PECTIN | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Cicer arietinum | Chickpea; Garbanzo | 1 | 112 |
| Cichorium endivia | Endive; Escarole | 1 | 18, 604 |
| Cichorium intybus | Chicory; Witloof; Succory | 2 | 6, 870 |
| Cimicifuga racemosa | Black Cohosh; Black Snakeroot | 1 | 270 |
| 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 | 4, 944 |
| Cinnamomum verum | Cinnamon; Ceylon Cinnamon | 1 | 618 |
| Citrullus colocynthis | Colocynth | 1 | 122 |
| Citrullus lanatus | Watermelon | 2 | 94 |
| Citrus aurantiifolia | Lime | 1 | 4, 444 |
| Citrus aurantium | Petitgrain; Bitter Orange | 2 | 13, 894 |
| Citrus limon | Lemon | 2 | 5, 566 |
| Citrus mitis | Calamansi; Calamondin | 2 | 23, 150 |
| Citrus paradisi | Grapefruit | 2 | 3, 862 |
| Citrus reticulata | Mandarin; Tangerine | 1 | 7, 368 |
| Citrus sinensis | Orange | 2 | 9, 971 |
| Cnicus benedictus | Blessed Thistle | 1 | 30 |
| Cnidoscolus chayamansa | Chaya | 1 | 12, 200 |
| Coccinia grandis | Ivy Gourd; Kundree; Tindora; Tindori; Pepasan; Little Gourd; Kanduri | 1 | 28, 406 |
| Cocos nucifera | Coconut; Coconut Palm; Copra; Nariyal; Kokospalme (Ger.); Cocotero (Sp.) | 2 | 528 |
| Coffea arabica | Coffee | 1 | 0 |