Essential Oil Constituents of Sphaeranthus cyathuloides O. Hoffm.
Mwangi, J. W.
Achola, K. J.
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Essential oil from the leaves of Sphaeranthus cyathuloides O. Hoffm. was examined by GC and GC/MS. The oil (2.9%) was found to contain trans-dihydrocarvone (67%) and cis-dihydrocarvone (26%) and some small amounts of isodihydrocarveol and neoisodihydrocarveol and limonene. The flower oil contained only small amounts of trans-dihydrocarvone (0.3%) and cis-dihydrocarvone (0.6%).