Owuor, P. Okinda: search on Z-Library

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1

Changes in the chemical and sensory quality parameters of black tea due to variations of fermentation time and temperature

Martin Obanda, P Okinda Owuor, Richard Mang'oka

Journal:

Year:

2001

Language:

english

File:

PDF, 193 KB

english, 2001

2

Sources, distribution, and risk assessment of organochlorine pesticides in Nairobi City, Kenya

Lisouza, Fred Ayodi, Owuor, P. Okinda, Lalah, Joseph O.

Journal:

Journal of Environmental Sciences

Year:

2020

File:

PDF, 1.12 MB

2020

3

Impact of shoot maturity on chlorophyll content, composition of volatile flavour compounds and plain black tea chemical quality parameters of clonal leaf

Martin Obanda, P Okinda Owuor

Journal:

Journal of the Science of Food and Agriculture

Year:

1995

Language:

english

File:

PDF, 417 KB

english, 1995

4

Flavanol Composition and Caffeine Content of Green Leaf as Quality Potential Indicators of Kenyan Black Teas

Obanda, Martin, Owuor, P Okinda, Taylor, Sarah J

Journal:

Journal of the Science of Food and Agriculture

Year:

1997

Language:

english

File:

PDF, 184 KB

english, 1997

5

Influence of region of production on clonal black tea chemical characteristics

P. Okinda Owuor, Martin Obanda, Hastings E. Nyirenda, Wilson L. Mandala

Journal:

Year:

2008

Language:

english

File:

PDF, 146 KB

english, 2008

6

Bioactive carbazole alkaloids fromAlysicarpus ovalifolius(Schumach)

Ochung’, Angeline Atieno, Manguro, Lawrence Arot Oyango, Owuor, Phillip Okinda, Jondiko, Isaac Ogoche, Nyunja, Regina Achieng’, Akala, Hosea, Mwinzi, Pauline, Opiyo, Sylvia Awino

Journal:

Journal of the Korean Society for Applied Biological Chemistry

Year:

2015

Language:

english

File:

PDF, 779 KB

english, 2015

7

The use of green tea (Camellia sinensis) leaf flavan-3-ol composition in predicting plain black tea quality potential

P. Okinda Owuor, Martin Obanda

Journal:

Year:

2007

Language:

english

File:

PDF, 327 KB

english, 2007

8

Effects of Fermentation under Enriched Oxygen Atmosphere on Clonal Black Tes Aroma Complex.

OWUOR, P. Okinda, OBANDA, Martin

Journal:

Food Science and Technology International Tokyo

Year:

1998

Language:

english

File:

PDF, 509 KB

english, 1998

9

The response of quality and yield of black tea of twocamellia sinensis varieties to methods and intervals of harvesting

P Okinda Owuor, Herman O Odhiambo

Journal:

Journal of the Science of Food and Agriculture

Year:

1993

Language:

english

File:

PDF, 535 KB

english, 1993

10

Effect of anthropogenic activities on the water quality of Amala and Nyangores tributaries of River Mara in Kenya

Nyairo, Wilfrida Nyanduko, Owuor, Philip Okinda, Kengara, Fredrick Orori

Journal:

Environmental Monitoring and Assessment

Year:

2015

Language:

english

File:

PDF, 713 KB

english, 2015

11

Isolation of a new β-carboline alkaloid from aerial parts of Triclisia sacleuxii and its antibacterial and cytotoxicity effects

Samita, Fidelis, Ochieng, Charles Otieno, Owuor, Philip Okinda, Manguro, Lawrence Onyango Arot, Midiwo, Jacob Ogweno

Journal:

Natural Product Research

Year:

2016

Language:

english

File:

PDF, 859 KB

english, 2016

12

Comparative responses in plain black tea quality parameters of different tea clones to fermentation temperature and duration

P.Okinda Owuor, Martin Obanda

Journal:

Year:

2001

Language:

english

File:

PDF, 272 KB

english, 2001

13

Antinociceptive and antiplasmodial activities of cassane furanoditerpenes from Caesalpinia volkensii H. root bark

Charles O. Ochieng’, P. Okinda Owuor, Lawrence A.O. Mang'uro, Hosea Akala, Ismail O. Ishola

Journal:

Year:

2012

Language:

english

File:

PDF, 488 KB

english, 2012

14

Monitoring the occurrence and distribution of selected organophosphates and carbamate pesticide residues in the ecosystem of Lake Naivasha, Kenya

Otieno, P., Okinda Owuor, P., Lalah, J.O., Pfister, G., Schramm, K.-W.

Journal:

Toxicological & Environmental Chemistry

Year:

2015

Language:

english

File:

PDF, 562 KB

english, 2015

15

7α-Acetylugandensolide and antimicrobial properties of Warburgia ugandensis extracts and isolates against sweet potato pathogens

Sylvia A. Opiyo, Lawrence O.A. Manguro, Philip Okinda-Owuor, Elijah M. Ateka, Peter Lemmen

Journal:

Phytochemistry Letters

Year:

2011

Language:

english

File:

PDF, 179 KB

english, 2011

16

The relationship between some chemical parameters and sensory evaluations for plain black tea (Camellia sinensis) produced in Kenya and comparison with similar teas from Malawi and South Africa

P. Okinda Owuor, Martin Obanda, Hastings E. Nyirenda, Nicholas I.K. Mphangwe, Louwrance P. Wright, Zeno Apostolides

Journal:

Year:

2006

Language:

english

File:

PDF, 248 KB

english, 2006

17

Influence of region of production on relative clonal plain tea quality parameters in Kenya

P. Okinda Owuor, Francis N. Wachira, Wilson K. Ng’etich

Journal:

Year:

2010

Language:

english

File:

PDF, 167 KB

english, 2010

18

Clonal variation in the individual theaflavin levels and their impact on astringency and sensory evaluations

P.Okinda Owuor, Martin Obanda

Journal:

Year:

1995

Language:

english

File:

PDF, 573 KB

english, 1995

19

Response of some black tea quality parameters to nitrogen fertiliser rates and plucking frequencies

P Okinda Owuor, Herman O Odhiambo

Journal:

Journal of the Science of Food and Agriculture

Year:

1994

Language:

english

File:

PDF, 598 KB

english, 1994

20

Impacts of climate-induced changes on the distribution of pesticides residues in water and sediment of Lake Naivasha, Kenya

Otieno, Peter O., Owuor, P. Okinda, Lalah, Joseph O., Pfister, Gerd, Schramm, Karl-Werner

Journal:

Environmental Monitoring and Assessment

Year:

2013

Language:

english

File:

PDF, 389 KB

english, 2013

21

Quality response of clonal black tea to nitrogen fertiliser, plucking interval and plucking standard

Owuor, P Okinda, Ng'etich, Wilson K, Obanda, Martin

Journal:

Journal of the Science of Food and Agriculture

Year:

2000

Language:

english

File:

PDF, 90 KB

english, 2000

22

The Impact of Withering Temperature on Black Tea Quality

Owuor, P Okinda, Obanda, Martin

Journal:

Journal of the Science of Food and Agriculture

Year:

1996

Language:

english

File:

PDF, 441 KB

english, 1996

23

The Effects of Some Agronomic and Processing Practices and Clones on the Relative Composition of the Theaflavins in Black Tea.

OWUOR, P. Okinda, OBANDA, Martin

Journal:

Food Science and Technology International Tokyo

Year:

1997

Language:

english

File:

PDF, 562 KB

english, 1997

24

VARIATIONS IN THE PRECURSORS OF PLAIN BLACK TEA QUALITY PARAMETERS DUE TO LOCATION OF PRODUCTION AND NITROGEN FERTILIZER RATES IN EASTERN AFRICAN CLONAL TEA LEAVES

KWACH, BOWA O., OWUOR, P. OKINDA, KAMAU, DAVID M., MSOMBA, SOLOMON W., UWIMANA, MARY A.

Journal:

Experimental Agriculture

Year:

2016

Language:

english

File:

PDF, 169 KB

english, 2016

25

Changes in thearubigin fractions and theaflavin levels due to variations in processing conditions and their influence on black tea liquor brightness and total colour

Martin Obanda, P.Okinda Owuor, Richard Mang’oka, Mutuku M. Kavoi

Journal:

Year:

2004

Language:

english

File:

PDF, 355 KB

english, 2004

26

Effects of Production Locations and Plucking Intervals on Clonal Tea Fatty Acids Levels in the Kenya Higlands

OKAL, Amos W., OWUOR, P. Okinda, KAMAU, David M., MANG’URO, Lawrence O.A.

Journal:

Food Science and Technology Research

Year:

2012

Language:

english

File:

PDF, 228 KB

english, 2012

27

Responses of clonal tea to location of production and plucking intervals

P. Okinda Owuor, David M. Kamau, Erick O. Jondiko

Journal:

Year:

2009

Language:

english

File:

PDF, 209 KB

english, 2009

28

The effects of blending clonal leaf on black tea quality

P.Okinda Owuor, Martin Obanda

Journal:

Year:

1999

Language:

english

File:

PDF, 103 KB

english, 1999

29

Phytochemistry and insecticidal activity of Annona mucosa leaf extracts against Sitophilus zeamais and Prostephanus truncatus

Makenzi, Albert Mulianga, Manguro, Lawrence Onyango Arot, Owuor, Philip Okinda

Journal:

Journal of Asian Natural Products Research

Year:

2020

File:

PDF, 1.80 MB

2020

30

The changes in black tea quality due to variations of plucking standard and fermentation time

P Okinda Owuor, Martin Obanda

Journal:

Year:

1998

Language:

english

File:

PDF, 156 KB

english, 1998

31

Variation in indoor levels of polycyclic aromatic hydrocarbons from burning various biomass types in the traditional grass-roofed households in Western Kenya

Fred Ayodi Lisouza, Okinda P. Owuor, Joseph O. Lalah

Journal:

Environmental Pollution

Year:

2011

Language:

english

File:

PDF, 333 KB

english, 2011

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