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| Chemical Name | Dosage | Reference |
|---|---|---|
| ASCORBIC-ACID | 1-2 g/day | Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp. |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Citrullus lanatus | Watermelon | 1 | 94 |
| Citrus aurantiifolia | Lime | 1 | 4, 444 |
| Citrus aurantium | Petitgrain; Bitter Orange | 1 | 13, 894 |
| Citrus limon | Lemon | 1 | 5, 566 |
| Citrus mitis | Calamansi; Calamondin | 1 | 23, 150 |
| Citrus paradisi | Grapefruit | 1 | 3, 862 |
| Citrus reticulata | Mandarin; Tangerine | 1 | 7, 368 |
| Citrus sinensis | Orange | 1 | 4, 071 |
| 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.) | 1 | 528 |
| Coix lacryma-jobi | Adlay; Adlay Millet; Job'S-Tears; Yi-Yi-Ren | 1 | 0 |
| Cola acuminata | Abata Cola | 1 | 1, 456 |
| Colocasia esculenta | Taro | 1 | 3, 950 |
| Corchorus olitorius | Jew's Mallow; Mulukiya; Nalta Jute | 1 | 12, 240 |
| Coriandrum sativum | Coriander; Chinese Parsley; Cilantro | 1 | 21, 630 |
| Corylus avellana | English Filbert; European Filbert; European Hazel; Hazel; Cobnut | 1 | 110 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 1 | 7, 540 |
| Crataegus rhipidophylla | Hawthorn | 1 | 1, 885 |