Clary sage compound kills livestock parasites within 90 minutes
Islam Z, Hussain S, Jameel S, Tariq KA, Islam A, Ali I, Ahmad F, Khurshid I.
Medicinal Plants
The fuzzy-leaved clary sage some gardeners grow for its fragrant flowers contains a compound potent enough to destroy parasitic worms, a hint that the plants in your herb bed may carry more chemical firepower than their culinary reputation suggests.
Clary sage is a Mediterranean herb long used in folk medicine, and researchers wanted to see if it could fight parasitic worms that infect sheep and goats. They broke the plant's extract down into pieces and tested each one, eventually isolating a single compound, sclareol, that killed adult worms completely within 90 minutes and stopped worm eggs from hatching. Under a microscope, the worms' outer skin and internal structures were visibly falling apart, showing the compound attacks parasites from both outside and inside.
Key Findings
Isolated compound sclareol, a labdane-type diterpenoid, from ethyl acetate extract of Salvia sclarea (clary sage)
At 400 µg/mL, sclareol caused 74.33% egg hatch inhibition and 100% adult worm mortality within 90 minutes
Electron microscopy showed tegumental disruption, hypodermal damage, mitochondrial degeneration, and cytoplasmic vacuolization in treated Haemonchus contortus
chevron_right Technical Summary
Scientists isolated a compound called sclareol from clary sage that kills parasitic worms in livestock, offering a potential natural alternative to drugs that parasites are increasingly resistant to.
Abstract Preview
Original paper
Bioactivity-guided isolation and identification of Sclareol as a potent anthelmintic compound from Salvia sclarea L against Haemonchus contortus.
Salvia sclarea has been traditionally valued in herbal medicine for its antimicrobial and therapeutic properties; however, its potential as an anthelmintic agent remains largely unexplored. Conside...
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Salvia sclarea, the clary or clary sage, is a biennial (short-lived) herbaceous perennial in the genus Salvia. It is native to the northern Mediterranean Basin and to some areas in north Africa and Central Asia. The plant has long been cultivated as an herb and is currently grown for its essential oil.