John M. Wanjohi

Joziknipholones A and B: The First Dimeric Phenylanthraquinones, from the Roots of <i>Bulbine frutescens</i>

Gerhard Bringmann, Joan Mutanyatta‐Comar, Katja Maksimenka et al. · Chemistry - A European Journal · 2007 · 36 citations

Three dimeric anthracene derivatives from the fruits of Bulbine abyssinica

John M. Wanjohi, Abiy Yenesew, Jacob O. Midiwo et al. · Tetrahedron · 2005 · 33 citations

Dimeric Anthracene Derivatives, Biochemistry, Natural Sciences +6

Naphthoquinones from the roots of Aloe secundiflora

Martha Induli, Michael Cheloti, Antonina Wasuna et al. · Phytochemistry Letters · 2012 · 29 citations

Bioorganic Chemistry, Botany, Natural Sciences +4

Determination of heavy metals concentrations in coal and coal gangue obtained from a mine, in Zambia

B. Chilikwazi, John Mmari Onyari, John M. Wanjohi · International Journal of Environmental Science and Technology · 2022 · 27 citations

Mining Environment, Environmental Chemistry, Mining Science +9

Evaluation of seasonal variation, effect of extraction solvent on phytochemicals and antioxidant activity on Rosmarinus officinalis grown in different agro-ecological zones of Kiambu County, Kenya

Zelipha N. Kabubii, James Mucunu Mbaria, Mbaabu P. Mathiu et al. · CABI Agriculture and Bioscience · 2023 · 21 citations · Full text

Food Chemistry, Rosmarinus Officinalis, Polyphenolics +15