An official website of the United States government.
| Chemical Name | Dosage | Reference |
|---|---|---|
| OPC | not available | Duke, 1992 * |
| OPCS | not available | Duke, 1992 * |
| PROCYANIDINS | not available | Duke, 1992 * |
| Plant Name | Common Name | Chemical Count | Total Parts Per Million |
|---|---|---|---|
| Aesculus hippocastanum | Horse Chestnut | 1 | 0 |
| Camellia sinensis | Tea | 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.) | 2 | 0 |
| Cinnamomum verum | Cinnamon; Ceylon Cinnamon | 1 | 0 |
| Crataegus laevigata | Hawthorn; English Hawthorn; Whitethorn; Woodland Hawthorn | 1 | 120, 000 |
| Crataegus monogyna | Hawthorn; English Hawthorn | 1 | 60, 000 |
| Crataegus rhipidophylla | Hawthorn | 1 | 30, 000 |
| Erythroxylum coca | Coca | 1 | 0 |
| Ginkgo biloba | Ginkgo; Maidenhair Tree | 1 | 0 |
| Humulus lupulus | Hops | 1 | 0 |
| Hypericum perforatum | Common St. Johnswort; Hypericum; Klamath Weed; St. John's-wort; Goatweed | 2 | 0 |
| Krameria triandra | Rhatany | 1 | 0 |
| Malus domestica | Apple | 1 | 0 |
| Theobroma cacao | Cacao | 1 | 80, 000 |
| Vaccinium myrtillus | Bilberry; Whortleberry; Dwarf Bilberry | 1 | 0 |
| Vitis vinifera | Grape; European Grape; Wine Grape; Grapevine; Vigne Vinifere (Fr.); Weinrebe (Ger.); Parra (Sp.); Vid (Sp.) | 2 | 5, 120 |