John K. Wanyoko - Articles - Scientific Research Publishing

Effect of Spices on Consumer Acceptability of Purple Tea (Camellia sinensis) (Articles)

Simon O. Ochanda, John K. Wanyoko, Henrik K. Ruto

Food and Nutrition Sciences Vol.6 No.8，May 26, 2015

DOI: 10.4236/fns.2015.68073 4,272 Downloads 5,882 Views Citations
This article belongs to the Special Issue on Food Science and Technology
Effect of Citric Acid on the Total Monomeric Anthocyanins and Antioxidant Activity of Liquor Made from Unprocessed Purple Leafed TRFK 306 Kenyan Tea Clone (Articles)

Emily C. Kilel, John K. Wanyoko, Abdul K. Faraj, Peninah Ngoda

Food and Nutrition Sciences Vol.10 No.10，October 11, 2019

DOI: 10.4236/fns.2019.1010086 684 Downloads 2,596 Views Citations
Nitrogen and Potassium Dynamics in Tea Cultivation as Influenced by Fertilizer Type and Application Rates (Articles)

Kibet Sitienei, Patrick G. Home, David M. Kamau, John K. Wanyoko

American Journal of Plant Sciences Vol.4 No.1，January 31, 2013

DOI: 10.4236/ajps.2013.41010 8,088 Downloads 12,286 Views Citations
Effect of Seasons on Theanine Levels in Different Kenyan Commercially Released Tea Cultivars and Its Variation in Different Parts of the Tea Shoot (Articles)

Too C. Janet, Wanyoko K. John, Kinyanjui Thomas, Moseti O. Kelvin, Wachira N. Francis

Food and Nutrition Sciences Vol.6 No.15，November 23, 2015

DOI: 10.4236/fns.2015.615149 3,637 Downloads 4,877 Views Citations
Comparative Assessment of the Fatty Acid Profiles of Crude Oils Extracted from Seeds of Selected Tea ( Camellia sinensis L.) Cultivars (Articles)

Kelvin Omondi George, John K. Wanyoko, Thomas Kinyanjui, Kelvin O. Moseti, Francis N. Wachira

Food and Nutrition Sciences Vol.7 No.1，January 14, 2016

DOI: 10.4236/fns.2016.71001 5,219 Downloads 6,512 Views Citations
Selected Inorganic Nutrients in Black Tea from Three Tea Growing Agro-Ecological Areas in Kenya (Articles)

Mangenya Thaddeus Mose, Kelvin O. Moseti, John K. Wanyoko, Johnson K. Kinyua, Daniel Kariuki, Esther N. Magiri, Martin A. Obanda

American Journal of Plant Sciences Vol.5 No.4，February 26, 2014

DOI: 10.4236/ajps.2014.54061 5,063 Downloads 7,459 Views Citations
This article belongs to the Special Issue on Mineral Nutrients in Plants
Variation in Catechin Composition of Popularly Cultivated Tea Clones in East Africa (Kenya) (Articles)

Leonida Cherotich, Samson M. Kamunya, Amos Alakonya, Solomon W. Msomba, Marie A. Uwimana, John K. Wanyoko, Phillip O. Owuor

American Journal of Plant Sciences Vol.4 No.3，March 28, 2013

DOI: 10.4236/ajps.2013.43081 5,393 Downloads 8,628 Views Citations
Quantitative Estimation of γ-Glutamylethylamide in Commercially Available Made Teas [Camellia sinensis (L.) O. Kuntze, Theaceae] in Kenya (Articles)

Janet Too, John Wanyoko, Thomas Kinyanjui, Kelvin Moseti, Francis Wachira

American Journal of Plant Sciences Vol.7 No.1，January 14, 2016

DOI: 10.4236/ajps.2016.71006 3,697 Downloads 4,833 Views Citations
Extraction and Quantification of Total Polyphenol Content in Different Parts of Selected Tea Cultivars (Articles)

Simon Oduor Ochanda, Abdul Kiptoo Faraj, John Kanyiri Wanyoko, Christine Akoth Onyango, Henrik Kipngeno Ruto

American Journal of Plant Sciences Vol.6 No.9，June 29, 2015

DOI: 10.4236/ajps.2015.69158 4,031 Downloads 6,014 Views Citations
Effect of Sunlight Exposure and Different Withering Durations on Theanine Levels in Tea (Camellia sinensis) (Articles)

Janet Chebet Too, Thomas Kinyanjui, John Kanyiri Wanyoko, Francis Nyamu Wachira

Food and Nutrition Sciences Vol.6 No.11，August 24, 2015

DOI: 10.4236/fns.2015.611105 4,190 Downloads 6,425 Views Citations
Optimization of Aeration Time in the Development Theaflavin-3,3’-Digallate Rich Black Teas (Articles)

Samuel Kimutai, Thomas Kinyanjui, John Wanyoko, Francis Wachira, Stephen Karori, Augustine Muthiani

American Journal of Plant Sciences Vol.6 No.19，December 7, 2015

DOI: 10.4236/ajps.2015.619295 2,259 Downloads 3,345 Views Citations
Determination of Residual Catechins, Polyphenolic Contents and Antioxidant Activities of Developed Theaflavin-3,3’-Digallate Rich Black Teas (Articles)

Samuel Kimutai, John Wanyoko, Thomas Kinyanjui, Stephen Karori, Augustine Muthiani, Francis Wachira

Food and Nutrition Sciences Vol.7 No.3，March 21, 2016

DOI: 10.4236/fns.2016.73020 2,614 Downloads 4,423 Views Citations
Modified Ceiling Bounce Model for Computing Path Loss and Delay Spread in Indoor Optical Wireless Systems (Articles)

K. SMITHA, A. SIVABALAN, J. JOHN

Int'l J. of Communications, Network and System Sciences Vol.2 No.8，November 17, 2009

DOI: 10.4236/ijcns.2009.28087 5,852 Downloads 10,921 Views Citations
Elderly African Americans Insights on the COVID-19 Pandemic: An Exploratory Study of Risk Perception and Personal, Social, and Cultural Factors (Articles)

Osei K. Darkwa, John Holton

Health Vol.13 No.4，April 9, 2021

DOI: 10.4236/health.2021.134029 403 Downloads 1,623 Views Citations
Clinical Evaluation of an Oral Electrolyte Solution Formulated Based on Strong Ion Difference (SID) and Using Propionate as the Organic Anion in the Treatment of Neonatal Diarrheic Calves with Strong Ion Acidosis (Articles)

Henry Stampfli, Olimpo Oliver, John K. Pringle

Open Journal of Veterinary Medicine Vol.2 No.1，March 27, 2012

DOI: 10.4236/ojvm.2012.21006 6,849 Downloads 12,502 Views Citations
Cluster Search Algorithm for Finding Multiple Optima (Articles)

John Guenther, Herbert K. H. Lee

Applied Mathematics Vol.7 No.7，April 28, 2016

DOI: 10.4236/am.2016.77067 1,868 Downloads 3,032 Views Citations
An Improved Treed Gaussian Process (Articles)

John Guenther, Herbert K. H Lee

Applied Mathematics Vol.11 No.7，July 22, 2020

DOI: 10.4236/am.2020.117042 527 Downloads 1,575 Views Citations
Evaluation of Source Rock Potential for Hydrocarbon Generation in Shallow Offshore, Lamu Basin, Kenya (Articles)

Dennis Ombati, Githiri John, Maurice K’Orowe

Journal of Geoscience and Environment Protection Vol.11 No.5，May 24, 2023

DOI: 10.4236/gep.2023.115004 223 Downloads 1,189 Views Citations
Spatial and Temporal Distribution of Polychlorinated Biphenyl Residues in Tropical Soils (Articles)

John K. Bentum, David K. Dodoo, Peter K. Kwakye, David K. Essumang, George A. Adjei

Open Journal of Applied Sciences Vol.6 No.4，April 22, 2016

DOI: 10.4236/ojapps.2016.64024 2,348 Downloads 3,478 Views Citations
Ethephon-Induced Abscission of “Redhaven” Peach (Articles)

Ali Taheri, John A. Cline, Subramanian Jayasankar, Peter K. Pauls

American Journal of Plant Sciences Vol.3 No.2，February 28, 2012

DOI: 10.4236/ajps.2012.32035 5,258 Downloads 8,874 Views Citations

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