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Essential oil composition of three Sideritis species from Bulgaria
- Todorova, M.N., Christov, R.C., Evstatieva, L.N.
- The Journal of essential oil research 2000 v.12 no.4 pp. 418-420
- Sideritis, interspecific variation, essential oils, beta-caryophyllene, chemical constituents of plants, Bulgaria
- The composition of essential oils of three Sideritis species was investigated by GC and GC/MS. It was found that the oil of S. syriaca L. contained a high percentage of myrcene (50.5%), while sesquiterpenes dominated in the oils of S. scardica Griseb and S. montana L. The major components in S. scardica oil were beta-caryophyllene (18.8% and nerolidol (12.1%), while germacrene D (41.1%) and bicyclogermacrene (10.9%) were the principal constituents of S. montana oil.