Browsing by Author "Osoro, Eric K"
Now showing items 1-12 of 12
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Chemical Constituents in Extracts from Leaves of Lantana trifolia and Their In Vitro Anti-oxidative Activity
Imbenzi, Palmer S; He, Yong Z; Osoro, Eric K; Yan, Zhi-xue; Cheplogoi, Peter K (2014)Objective To isolate, purify, and analyze the anti-oxidants from the leaves of Lantana trifolia. Methods The anti-oxidative activities of the crude extracts from liquid-liquid extraction of L. trifolia leaves were assayed ... -
Evaluation of Selected Green Gram (Vigna Radiata) Varieties Against Insect Pests Infestation in The Field, Tharaka Sub-County, Kenya
Musyoki, Purity W; Wepukhulu, Miriam; Ngugi, Fidelis; Osoro, Eric K (2023-10)Background: Green grams farming plays a vital role in Tharaka and the country(Kenya) at large by ensuring food security, creating employment for rural households and greatly contributing to the national economy. However, ... -
Isolation and Identification of Bioactive Constituents from Stem Barks of Illicium difengpi
He, Yong Z; Osoro, Eric K; Imbenzi, Palmer S; Wang, Li-ning (2014)Objective To isolate and identify bioactive constituents from the stem barks of Illicium difengpi. Methods The chemical constituents were isolated and purified by repeated silica gel, Sephadex LH-20, recrystallization, and ... -
Numerical simulation of an HTL-free carbon-based perovskite solar cell with graphitic carbon nitride doped zinc oxide as electron transport layers
Kariuki, Joseph; Rono, Nicholas; Ahia, Chinedu C; Osoro, Eric K (Elsevier, 2025)As a result of the advances in technology and the need for energy, an urge to develop a stable, high performance solar cell has initiated various scientific intentions to attain a cheaper and clean energy supply. In this ... -
Optimization of Glycerol Production from Mango Seed Oil Using Response Surface Methodology and Central Composite Design
Muriithi, Daniel M; Muriithi, Dennis K.; Ngugi, Fidelis; Osoro, Eric K (2023-10)The objective of this research was to optimize the glycerol production from mango seed oil using RSM and CCD. The glycerol was produced through the transesterification process where biodiesel and glycerol were produced as ... -
Optimization of Glycerol Production from Mango Seed Oil Using Response Surface Methodology and Central Composite Design
Muriithi, Daniel M; Muriithi, Dennis K.; Ngugi, Fidelis; Osoro, Eric K (International Journal for Multidisciplinary Research (IJFMR), 2023-09)The objective of this research was to optimize the glycerol production from mango seed oil using RSM and CCD. The glycerol was produced through the transesterification process where biodiesel and glycerol were produced ... -
Optimization Of Oil Production From Mango Seed Using Response Surface Methodology And Central Composite Design
Muriithi, Daniel M; Muriithi, Dennis K.; Fidelis Ngugi; Osoro, Eric K (2023-10)Response Surface Methodology (RSM) and Central Composite Design (CCD) is an important statistical tool for modeling and analysis of statistical problems where the response of interest is influenced by several variables ... -
Proximate Composition, Mineral Element Profile and Antioxidant Properties of the Edible Kenyan Mushroom, Auricularia polytricha
Mutuku, Samuel N; Lang’at, Ezekiel K; Osoro, Eric K; Imbenzi, Palmer S; Omolo, Josiah O (2022-07)The indigenous Kenyan Auricularia polytricha is a known delicacy to the communities residing around Kakamega forest in Western Kenya. The objective of the present study was to carry out proximate analysis, determine ... -
A review on chemistry of some species of genus Vepris (Rutaceae family)
Imbenzi, Palmer S; Osoro, Eric K; Aboud, Naji S; Ombito, Japheth O; Cheplogoi, Peter K (2014)This review presents the current known phytochemical constituents of the genus Vepris. The genus is a rich source of alkaloids and limonoids most of which possess the 3, 4-methylenedioxy moieties. They are frequently used ... -
A review on phenolic compounds in Illicium species and their pharmacological effects
Osoro, Eric K; He, Yong Z; Ndagijimana, Andre; Imbenzi, Palmer S (2013)This review focuses mainly on findings of chemistry and pharmacological activities of phenolic compounds in Illicium plants. The continued chemical studies of Illicium species such as I.difengpi, I.verum, I.griffithii, ... -
A review on the Phytochemistry and Pharmacological Activities of some Species from Genus Dodonaea (Sapindaceae Family)
Waweru, Abigail W; Osoro, Eric K; Omolo, Josiah O (The Journal of Phytopharmacology, 2024-02)This review focuses mainly on findings of the chemistry and pharmacological activities of some plant species from genus Dodonaea. The continued chemical studies of Dodonaea species such as D. viscosa, D. angustifolia, ... -
A review on toxicity effects on Aconitum carmichaelii Debx (Chuan wu and Fuzi) and TCM processing approach ‘Pao zhi’ in reducing/ eliminating toxicity
Osoro, Eric K; Aboud, Naji S; Imbenzi, Palmer S (2015)Aconitum carmichaelii Debx. (Chuan wu & Fuzi) is one of the most widely used Chinese traditional medicinal herbs and is listed in the Chinese Pharmacopoeia. It has been used for the treatment of various conditions rheumatism ...