Browsing Journal Articles by Author "Karori, S. M."

Browsing Journal Articles by Author "Karori, S. M."

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  • Antibacterial and Synergistic Activity of Different Tea Crude Extracts against Antibiotic Resistant S. Aureus, E. Coli and a Clinical Isolate of S. Typhi 
    Koech, K. R.; Wachira, Francis N.; Ngure, R. M.; Wanyoko, J. K.; Bii, C.; Karori, S. M. (Science Journal Publication, 2013)
    The antibacterial and synergistic effects of black, green, white tea and other specialty teas such as purple tea extracts processed from Kenyan tea germplasm were evaluated and compared with extracts from processed teas ...
  • Antifungal activity of crude tea extracts 
    Koech, K. R.; Wachira, Francis N.; Ngure, R. M.; Orina, I. A.; Wanyoko, J. K.; Bii, C.; Karori, S. M. (Academic Journals, 2013-05-23)
    The tea polyphenols have been shown to possess many medicinal properties including antifungal activity, but there have been few studies regarding antifungal activity. The antifungal activity of ...
  • Antioxidant capacity of different types of tea products 
    Wachira, Francis N.; Karori, S. M.; Wanyoko, J. K.; Ngure, R. M. (Academic Journals, 2007-10-04)
    In the present study, twelve different types of commercial tea samples were assayed to determine their phenolic composition and antioxidant activity. Reverse phase high performance liquid chromatography using a binary ...
  • Different types of tea products attenuate inflammation induced in Trypanosoma brucei infected mice 
    Wachira, Francis N.; Karori, S. M.; Ngure, R. M.; Wanyoko, J. K.; Mwangi, J. N. (Elsevier, 2008-09)
    An in vivo study was carried out to determine the effect of different types of Kenyan tea extracts on male Swiss albino mice infected with Trypanosoma brucei brucei isolate KETRI 2710. The isolate produced a similar clinical ...
  • Endotoxin-like effects in acute phase response to Trypanosoma brucei brucei infection are not due to gastrointestinal leakage. 
    Wachira, Francis N.; Ngure, R. M.; Eckersall, P.; Burke, J.; Karori, S. M.; Mwangi, W. W.; Maathai, R.; Murray, M. (Elsevier, 2009-12)
    Trypanosomosis is mainly an immunological and inflammatory response mediated by increased levels of pro-inflammatory cytokines. Evidence suggests that pathological changes produced during infection with trypanosomes could ...
  • Neuroprotective Effects of Tea Against Cadmium Toxicity 
    Karori, S. M.; Areba, G. O.; Ngure, R. M.; Khalid, R.; Maloba, F.; Nyaga, N.; Moseti, K. O.; Ngotho, M.; Wanyoko, J. K.; Wachira, Francis N. (2019)
    Background: Cadmium (Cd) is a common pollutant and potential neuro-toxicant to humans. The main treatment for heavy metal toxicity is chelation therapy which is however replete with grave side effects. This study was ...
  • Polyphenolic composition and antioxidant activity of Kenyan Tea cultivar 
    Wachira, Francis N.; Karori, S. M.; Ngure, R. M.; Mireji, P. O. (AkiNik Publications, 2014)
    Polyphenolic fractions in tea are potent bioactive molecules. In this study, the polyphenolic composition of 25 different types of Kenyan tea cultivars was determined using the HPLC and the Folin’s-Ciocalteu spectrophotometric ...

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