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- Publications
- Influence
The effects of altitude on the chemical composition of black tea.
- P. Owuor, S. Obaga, C. Othieno
- Chemistry
- 1990
Changes in quality parameters of crush, tear and curl (CTC) black clonal teas due to variations in altitude within a radius of 10 km were determined. There were significant (P = 0.05) changes in all… Expand
Changes in quality parameters of commercial black seedling tea due to the time of the year in the Eastern Highlands of Kenya
- P. Owuor
- Chemistry
- 1992
Abstract Significant (P ≤ 0.05) changes in yields, rainfall and chemical quality parameters (except thearubigins) of black seedling tea with the time of the year were recorded in the Eastern Kenya… Expand
Effects of Nitrogenous Fertilizers on the Chemical Composition of CTC Black Tea
- P. Owuor, Calleb O. Othieno, H. Horita, T. Tsushida, T. Murai
- Chemistry
- 1 October 1987
High rates of nitrogenous fertilizers increased the caffeine content, as well as those compounds imparting inferior and superior flavor contents. However, the flavor index, the ratio of compounds… Expand
Flavour volatiles of Assam CTC black teas manufactured from different plucking standards and orthodox teas manufactured from different altitudes of Darjeeling
- P. Mahanta, S. Baruah, P. Owuor, Toshinobo Murai
- Chemistry
- 1988
Biochemical correlations between volatile flavour constituents (VFC) of CTC bluck teas manufactured from fine and coarse plucking of Assam tea and orthodox teas fiom three different altitudes were… Expand
Changes in theaflavin composition and astringency during black tea fermentation
- P. Owuor, I. Mcdowell
- Chemistry
- 1994
Abstract Both theaflavins and sensory evaluations vary in a quadratic manner with fermentation duration in the process of black tea manufacture. The rate of formation of total (Flavognost)… Expand
Effect of anthropogenic activities on the water quality of Amala and Nyangores tributaries of River Mara in Kenya
- W. N. Nyairo, P. Owuor, F. Kengara
- Environmental Science, Medicine
- Environmental Monitoring and Assessment
- 16 October 2015
Mau Forest in the upper reaches of the Mara River basin has recently undergone increased forest destruction followed by human settlement and agricultural activities. These anthropogenic activities… Expand
Caffeine contents of clonal tea ; seasonal variations and effects of plucking standards under Kenyan conditions
- P. Owuor, A. M. Chavanji
- Chemistry
- 1986
Abstract Clones of tea have different contents of caffeine: The tender younger leaves of tea bushes contain higher caffeine contents than older leaves. Leaf stalks accumulate low levels of caffeine.… Expand
Spatial distribution and habitat characterization of mosquito species during the dry season along the Mara River and its tributaries, in Kenya and Tanzania
- G. Dida, D. Anyona, +5 authors C. Ouma
- Biology, Medicine
- Infectious Diseases of Poverty
- 18 January 2018
BackgroundVector-borne diseases are increasingly becoming a major health problem among communities living along the major rivers of Africa. Although larger water bodies such as lakes and dams have… Expand
Antimicrobial Compounds from Terminalia brownii against Sweet Potato Pathogens
- S. A. Opiyo, L. Manguro, P. Owuor, Charles O. Ochieng, E. Ateka, P. Lemmen
- Biology
- 30 November 2011
New ceramide from the aerial part of Tinospora oblongifolia with cytotoxic activities
- Fidelis Samita, Charles O. Ochieng, P. Owuor, L. A. Manguro
- Biology, Medicine
- Natural product research
- 23 April 2014
A new ceramide, 2,3-dihydroxy-N-[(2S,3S,4R)-1,3,4-trihydroxyicosan-2-yl[tetracosanamide (1) along with four known compounds: 2-(4′-hydroxyphenyl)-ethyl lignocerate (2),… Expand