| Luteic acid is the lactone and ellagic acid is the dilactone of hexahydroxydiphenic acid. |
| Most studies show a benefit from taking 200 to 300 milligrams a day in capsules of 60 to 75 milligrams of kava lactone. |
| Tylvalosin is a new macrolide antibiotic based on a highly active lactone ring. |
| Another of these substances is ellagic acid C14H6O8, a double lactone of a hexa-hydroxy-diphenyldicarboxylic acid. |
| The lactone dimers of long-chain monoalkylketenes have been used as sizing agents for paper. |
| But by the 1970s it was known that the lethal chemical, first called qinghaosu and now artemisinin, had a structure never seen before in nature: In chemical terms, it is a sesquiterpene lactone with a peroxide bridge. |
