Tag Archives: ecdysone bioassays

Are Ecdysteroids insect hormones?

The polyhydroxylated derivatives of 7-dehydro, 6-ketocholesterol  (Ecdysone, Ecdysteroids, Ecd) were accidentally discovered  in the search for an insect moulting hormone in 1965. The first Ecd compound, named  ecdysone (“ecdysis” = shedding off the cuticle), was isolated from