TABLE 1.
Constituent(s)/Natural Product | Structural Alert | Alert Substructure |
---|---|---|
Flavonoids, phenylpropanoids/Echinacea glycyrrhizin, glycyrrhizinic acid/licorice | Catechols | |
Isoquinoline alkaloids/goldenseal terpenoids/cinnamon curcuminoids/turmeric | Masked catechol | , |
Isoquinoline alkaloids/goldenseal shizandrins/Schisandra spp. Gomisins/Schisandra spp. | Methylenedioxyphenyl | |
Cycloartenol/black cohosh | Subterminal olefin | |
Polyacetylenes/Echinacea | Terminal and subterminal acetylenes | , |
Terpenoids/cinnamon diallyl disulfides and trisulfides/garlic | Terminal olefin | |
Cinnamaldehyde/cinnamon | α,β-Unsaturated aldehyde | |
Curcuminoids/turmeric | α,β-Unsaturated ketone |