K. J. Achola

Essential oil constituents of artemisia afra willd

ABSTRACT The essential oil isolated from leaves of Artemisia afra Willd. (1.5%) by hydrodistillation was analyzed by GC and GC/MS. Fifty compounds constituting about 93% of the oil were identified. The major constituents were 1,8-cineole (67.4%), terpinen-4-ol (6.5%) and borneol (5.1%).

Volatile constituents of essential oil of Tarconanthus camphoratus L

ABSTRACT The leaf oil of Tarconanthus camphoratus (Compositae) was analyzed by GC and GC/MS. Sixty compounds representing ca. 95% of the oil were identified. The major components were α-fencyl alcohol (29.1%), 1,8-cineole (16.5%) and α-terpineol (8.5%).

Essential Oil Constituents of Sphaeranthus cyathuloides O. Hoffm.

ABSTRACT 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%).