Browsing School of Agricultural Sciences by Author "Mathooko, Francis M."
Now showing items 1-18 of 18
-
ASCORBIC ACID RETENTION IN CANNED LIME JUICE PRESERVED WITH SULFUR DIOXIDE A ND BENZOIC ACID
Mathooko, Francis M.; Kiniiya, Elizabeth N. (AFRICAN SCHOLARLY SCIENCE COMMUNICATIONS TRUST (ASSCAT), 2002)The effects of two levels each of sodium metabisulfite and sodium benzoate on the shelf-life of canned lime juice stored at ambient temperature was based on ascorbic acid degradation as an index. Sodium metabisulfite ... -
Characterization of Carbon Dioxide Stress-Induced Ethylene Biosynthesis in Cucumber {Cucumis sativus L.) Fruit
Mathooko, Francis M.; Inaba, Akitsugu; Nakamura, Reinosuke (JSPP, 1998)In the present study, we have investigated the mechanism through which carbon dioxide induces ethylene biosynthesis in cucumber {Cucumis sativus L.) fruit. A series of inhibitors were tested in order to determine the ... -
A Comparison Of Modified Atmosphere Packaging Under Ambient Conditions And Low Temperatures Storage On Quality Of Tomato Fruit
Mathooko, Francis M. (Rural Outreach Program, 2003)Low temperature and modified atmosphere packaging (MAP) were evaluated for their effectiveness in extending the postharvest storage life of tomato (Lycopersicon esculentum Mill.) fruits. Fruits were harvested at the ... -
Coping Strategies Adopted by Public Universities in Kenya in Response to Environmental Changes
Mathooko, Francis M.; Ogutu, Martin (© Sciedu Press, 2014)This study was undertaken to establish strategies adopted by public universities in Kenya in response to changes in the environment. The study design was descriptive and utilized a cross-sectional survey of all the public ... -
Effects of Malting and Fermentation on Anti-Nutrient Reduction and Protein Digestibility of Red Sorghum, White Sorghum and Pearl Millet
Onyango, C. A.; Ochanda, S. O.; Mwasaru, M. A.; Ochieng, J. K.; Mathooko, Francis M.; Kinyuru, J. N. (2013)Sorghum and millet and their products require specialized treatment in order to improve their nutritive value, organoleptic properties and shelf-life. They contain anti-nutrients which are the major phytochemicals which ... -
Evaluation of chemical and nutritional quality attributes of selected mango varieties at three stages of ripeness, grown in lower Eastern province of Kenya – part 2
Okoth, E.M.; Sila, D.N.; Onyango, C. A.; Owino, W.O.; Musyimi, S.M.; Mathooko, Francis M. (2013-04-29)Mango fruits are widely grown in Kenya for domestic and export utilization. Selected chemical and nutritive quality attributes of Apple, Ngowe and Kent were evaluated at three stages of ripeness. The cultivars were ... -
Evaluation of physical and sensory quality attributes of three mango varieties at three stages of ripeness, grown in lower eastern province of Kenya - part 1
Okoth, E.M.; Sila, D.N.; Onyango, C. A.; Owino, W.O.; Musembi, S.M.; Mathooko, Francis M. (2014-04-29)Physical attributes at three stages of ripeness (unripe, intermediate and fully ripe) and sensory quality at full ripe stage of Apple, Ngowe and Kent mango varieties grown in Lower Eastern Province (Machakos and Kitui) of ... -
Evaluation of selected Kenyan potato cultivars for processing into French fries
Abong, George O.; Okoth, Michael W.; Karuri, Edward G.; Kabira, Jackson N.; Mathooko, Francis M. (Journal of Animal & Plant Sciences, 2009)The demand for potato varieties (Solanum tuberosum L.) with acceptable yield and processing characteristics is increasing in Kenya. However, most potato varieties and promising clones have not been adequately evaluated. ... -
Expression Characteristics of CS-ACS1, CS-ACS2 and CS-ACS3, ThreeMembers of the 1-AminocycIopropane-l-Carboxylate Synthase Gene Familyin Cucumber {Cucumis sativus L.) Fruit under Carbon Dioxide Stress
Mwaniki, Mercy W.; Nakatsuka, Akira; Shiomi, Shinjiro; Mathooko, Francis M. (1999)We investigated the expression pattern of three 1-aminocydopropane-1-carboxylate (ACC) synthase genes,CS-ACS1, CS-ACS2 and CS-ACS3 in cucumber (Cucumissativus L.) fruit under CO2 stress. CO2 ... -
Expression Characteristics of CS-ACS1, CS-ACS2 and CS-ACS3, Three Members of the 1-AminocycIopropane-l-Carboxylate Synthase Gene Family in Cucumber {Cucumis sativus L.) Fruit under Carbon Dioxide Stress
Mathooko, Francis M.; Mwaniki, Mercy W.; Nakatsuka, Akira; Shiomi, Shinjiro; Kubo, Yasutaka; Inaba, Akitsugu; Nakamura, Reinosuke (Oxford University Press, 1999)We investigated the expression pattern of three 1-aminocydopropane-1-carboxylate (ACC) synthase genes, CS-ACS1, CS-ACS2 and CS-ACS3 in cucumber (Cucumis sativus L.) fruit under CO2 stress. CO2 stress-induced ethylene ... -
Expression of a 1-aminocyclopropane-1-carboxylate (ACC) oxidase gene in peach (Prunus persica L.) fruit in response to treatment with carbon dioxide and 1-methylcyclopropene: possible role of ethylene
Mathooko, Francis M.; Tsunashima, Yuki; Kubo, Yasutaka; Inaba, Akitsugu (2004)In this study we investigated the effect of exogenous ethylene treatment on ethylene production, 1-aminocyclopropane-1-carboxylate (ACC) oxidase activity and expression of an ACC oxidase (PP-ACO1) gene ... -
The Extent to Which Public Universities in Kenya Experience Managerial and Environmental Challenges
Mathooko, Francis M.; Ogutu, Martin (© www.iiste.org, 2014)The environment in which organisations operate is continuously changing, thereby posing challenges to the organisations, and higher education institutions are no exception. This study was undertaken to understand the ... -
The influence of process optimization on the fermentation profile of mango wine prepared from the Apple mango variety
Musyimi, S.M.; Sila, D.N.; Okoth, E.M.; Onyango, C.A.; Mathooko, Francis M. (2013-04-29)The aim of this study was to determine the effects of temperature and yeast concentration on the fermentation kinetics and chemical properties of Apple mango fruit wine through process optimization. The physicochemical ... -
Levels of reducing sugars in eight Kenyan potato cultivars as influenced by stage of maturity and storage conditions
Abong’, George O.; Okoth, Michael W.; Karuri, Edward G.; Kabira, Jackson N.; Mathooko, Francis M. (Journal of Animal & Plant Sciences, 2012-02-17)The cultivar, harvest time and storage method affect reducing sugars content of potato, which in turn influences the processing quality of French fries. Eight Kenyan potato cultivars (Tigoni, Desiree, Dutch Robyjn, Kenya ... -
Nutrient contents of raw and processed products from Kenyan potato cultivars
Abong, George O.; Okoth, Michael W.; Karuri, Edward G.; Kabira, Jackson N.; Mathooko, Francis M. (2009)Objective: To determine the nutrient contents of raw and processed products of Kenyan potato cultivars. Methodology and results: Eight potato cultivars (Tigoni, Desiree, Dutch Robyjn, Kenya Karibu, Kenya Sifa, CIP ... -
Phytochemical studies on herbal plants commonly used for processing and preserving meat and milk
Onyango, C. A.; Gakuya, L. W.; Mathooko, Francis M.; Maina, J. M.; Nyaberi, M.; Mwaura, F (2014)Objective: The study aims at identifying and collecting herbal plants commonly used in milk processing and preservation by the Maasai community in Kajiado district and to determine the phytochemical and mineral ... -
Preservative effect of various indigenous plants on fermented milk from Maasai community of Kajiado County
Onyango, C. A.; Gakuya, L. W.; Mathooko, Francis M.; Maina, J. M.; Nyaberi, M. O.; Makobe, M.; Mwaura, F (2014)Objective: This study was conducted to verify the claim that incorporation of indigenous plants in milk extends the shelf life of fresh milk for four days, and that of fermented milk for up to one a month without spoilag ... -
Retention of Freshness in Fig Fruit by CO2-Enriched Atmosphere Treatment or Modified Atmosphere Packaging under Ambient Temperature
Mathooko, Francis M.; Sotokawa, Tetsuo; Kubol, Yasutaka; Inaba, Akitsugu; Nakamura, Reinosuke (THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE, 1993)At 20•C, freshness retention of figs (Ficus carica L. cv. Masui Dauphine) by CO2-enriched atmosphere treatment or modified atmosphere packaging were studied in an attempt to reduce deterioration during transportation. ...