Table 3.
DDK, DK, and other chemicals in various plant parts of kava.
| Chemical Name | Plant Part | References |
|---|---|---|
| Phenolic acids | Rhizomes | [33] |
| Dihydro-5,6-dehydrokavain (DDK) | Rhizomes | [9] |
| 5,6-Dehydrokavain (DK) | Rhizomes | [9] |
| Other kavalactones: dihydromethysticin, 7,8-dihydrokavain, kavain, methysticin, desmethoxyyangonin, yangonin, dihydro-5,6-dehydrokavain, methoxyyangonin, hydroxykavain, 7,8-dihydrokavain, 11-hydroxy-12-methoxydihydrokavain, 5,6,7,8-tetrahydroyangonin, 5,6-dehydromethysticin 11,12-dimethoxydihydrokavain, 11-methoxy-12-hydroxydehydrokavain, 11-hydroxyyangonin | Rhizomes | [9] |
| Flavokavain A | Rhizomes | [9] |
| Flavokavain B | Rhizomes | [9,34,35] |
| Flavokavain C | Rhizomes | [9] |
| Cinnamic acid bornyl ester | Rhizomes | [9] |
| 5,7-Dimethoxyflavanone | Rhizomes | [9,35] |
| 2,5,8-Trimethyl-1-naphthol | Rhizomes | [9] |
| 5-Methyl-1-phenylhexen-3-yn-5-ol | Rhizomes | [9] |
| 8,11-Octadecadienoic acid-methyl ester | Rhizomes | [9] |
| Pinostrobin chalcone | Rhizomes | [9,35] |
| 5-hydroxy-4′-7-Dimethoxyflavanone | Rhizomes | [9] |
| 5,7(OH)2-4′-one-6,8-dimethylflavone | Rhizomes | [9] |
| Pipermethystine | Rhizomes | [9,36] |
| Glutathione | Rhizomes | [9] |