Browsing Faculty of Health Sciences (FHS) by Author "Ichimaru, Momoyo"

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    • Absolute configurations of two acyclic triterpenoids from Ekebergia capensis 

      Juma, Francis D; Nganga, Joseph N; Mathenge, Simon G; Kato, Atsushi; Ichimaru, Momoyo; Moriyasu, Masataka; Nishiyama, Yumi (Department of Clinical Medicine and Therapeutics, 1999-12)
      The absolute configurations of two acyclic triterpenoids 1 and 2, previously isolated from the bark of Ekebergia capensis (Meliaceae) have been determined by the modified Mosher's method.

    • Acyclic triterpenoids from Ekebergia capensis 

      Juma, Francis D; Nganga, Joseph N; Mathenge, Simon G; Atsushi Kato; Tachibana, Yoko; Ichimaru, Momoyo; Moriyasu, Masataka; Nishiyama, Yumi (Department of Clinical Medicine and Therapeutics, 1996-06)
      From the dried bark of Ekebergia capensis, two novel acyclic triterpenoids, 2,3,22,23-tetrahydroxy-2,6,10,15,19,23-hexamethyl-6,10,14,18-tetracosatetraene and 2-hydroxymethyl-2,3,22,23-tetrahydroxy-6,10,15,19,23-pentamet ...

    • Isolation of alkaloidal constituents of zanthoxylum usambarense and zanthoxylum chalybeum using ion-pair hplc 

      Kato, Atsushi; Moriyasu, Masataka; Ichimaru, Momoyo; Nishiyama, Yumi; Juma, Francis D.; Nganga, Joseph N.; Mathenge, Simon G.; Ogeto, John O. (Department of Natural Medicinal Chemistry, Kobe Pharmaceutical UniversityDepartment of Medicine, University of Nairobi,Department of Botany, University of NairobiDepartment of Pharmacy, University of Nairobi, 1995)
      Quaternary alkaloids of two Kenyan medicinal plant belonging to the genus Zanthoxylum, Z. usambarense and Z_ chalybeum, were examined using ion-pair HPLC. Both plants contained similar alkaloids, but colored protoberberines ...

    • Studies on unused medicinal resources in africa, occurrence of sulfur compounds in cassipourea genus in kenya 

      Kato, Atsushi; Ichimaru, Momoyo; Matsukawa, Motomi; Moriyasu, Masataka; Fukuoka, Nobuyuki; Kishida, Kesa; Ogeto, J.O; Juma, Francis D. (University of Nairobi,College Health Services,, 1989)
      In the current re earch, the inland genus Ca sipourea of Rhizophoraceae in Kenya was pinpointed as a target for developing new medicinal resources. The field work on four species of Cassipourea, i.e. Cassipourea malosana, ...