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Browsing by Author "Ngure, R. 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 ...
Antimicrobial, synergistic and antioxidant activities of tea polyphenols

Koech, K. R.; Wachira, Francis N.; Ngure, R. M.; Wanyoko, J. K.; Bii, C. C.; Karori, S. M.; Kerio, L. C. (2017-08-22)

Polyphenols are secondary metabolites produced by tea plant, wh ich play multiple essential roles in plant physiology and have potential health proper ties on human health, mainly as antioxidants, anti-allergic, ...
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 ...
Effects of tea on survival rates and liver pathology of Trypanosoma brucei brucei infected mice

Mbuthia, S. K.; Wachira, Francis N.; Ngure, R. M.; Ouma, J.; Kagira, J. M. (National Research Center for Protozoan Diseases, 2011)

The current study investigated the effects of different types of Kenyan tea extracts on the pathogenesis ofTrypanosoma brucei brucei in a Swiss White mice model. Following infection with trypanosomes, the micewere monitored ...
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 ...
The fortification of tea with sweeteners and milk and its effect on in vitro antioxidant potential of tea product and glutathione levels in an animal model

Wachira, Francis N.; Korir, M. W.; Wanyoko, J. K.; Ngure, R. M.; Khalid, R. (Elsevier, 2014-02)

Several studies have demonstrated that tea flavonoids protect cells and tissues against free radicals which have been implicated in the etiology of oxidative stress-related disease disorders. However, black tea is commonly ...
kenyan purple tea anthocyanins ability to cross the blood brain barrier reinforcing brain antioxidant capacity in mice

Wachira, Francis N.; Rashid, K.; Ngure, R. M.; Nyabuga, J. N.; Wanyonyi, B.; Murilla, G.; Isaac, A. O. (African Crop Science Society, 2014)

Studies on antioxidants as neuroprotective agents have been hampered by the impermeability of the blood brain barrier (BBB) to many compounds. However, previous studies have shown that a group of tea ( Camellia sinensis ) ...
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 ...

Browsing by Author "Ngure, R. M."

Browsing by Author "Ngure, R. M."

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