Browsing Faculty of Health Sciences (FHS) by Subject "GC-MS"

Now showing items 1-4 of 4

    • Composition of essential on of plectranthus tenuiBorus (Vatke) agnew 

      Mwangi, J.W.; Lwande, W.; Hassanali, A. (Department of Pharmacy, University of Nairobi, 1993)
      The essential oil isolated by hydrodistillation from leaves of Plectranthus tenuiftorus (Vatke) Agnew was analysed by GC and GC-MS. A total of 17 compounds accounting for 72.3% of the oil were identified. Carvacrol (14.3%), ...

    • Composition of the leaf essential oil of ocimum keniense ayobangira 

      Lwande, W.; Hassanali, A.; Mwangi, J. W. (Department of Pharmacy, University of NairobiThe International Centre of Insect Physiology and Ecology, 1994)
      The essential oil (average yield 4%) isolated by hydrodistillation from semi-dried leaves of Ocimum keniense Ayobangira was analysed by GC and GC-MS. A total of 22 compounds accounting fur 86.8% were identified. 1,8- Cineole ...

    • Constituents of the essential oil of cymbopogon afronardus stapf. 

      Mwangi, J.W.; Thoithi, G.N; Kibwage, IO; Zygadlo, J.A; Lopez, M.L; Oliva, M.M; Demo, M.S; Toyata, M.; Chalchat, J.C (2001)
      The pleasantly smelling light yellow essential oil isolated by hydrodistillation from the leaves of Cymbopogon afronardus Stapf. (Graminea) (yield 0.4 0/.,) was analysed by GC and GC-MS. Forty five compounds constituting ...

    • Volatile Components of Heteromorpha trifoliata (Wendl.) Eckl. & Zey. 

      Mwangi, J.W.; Achola, K. J; Lwande, W; Hassanali, A.; Laurent, R. (Department of Pharmacy, University of NairobiThe International Centre of Insect Physiology and Ecology (ICIPE),, 1994)
      The essential oil isolated by hydrodistillation from Heteromorpha trifoliata (Wendl.) Eckl. & Zey. was analysed by GC and GC-MS. Sixty compounds constituting about 96% of the oil were identified. The major constituents ...