Browsing by Author "Majinda, Runner R.T."

Now showing items 1-10 of 10

  • Antibacterial activity of crude extracts and pure compounds isolated from Vernonia galamensis leaves 

    Majinda, Runner R.T.; Tafesse, Geremew; Mekonnen, Yalemtsehay; Makonnen, Eyasu; Bojase-Moleta, Gomotsang; Yeboah, Samuel O. (Academic Journals, https://academicjournals.org/journal/AJPP, 2018-03-22)
    The aim of this study was to test the antibacterial property of the extract of the leaves and isolated compounds of Vernonia galamensis that is traditionally claimed to have diverse medicinal use. The disk diffusion method ...

  • Antibiotic activity of selected Botswana Medicinal Plants 

    Majinda, Runner R.T.; Motswaledi, Modisa S. (The Botswana Society, http://journals.ub.bw/index.php/bnr/index, 1998)
    A number of plant extracts from selected Botswana Medicinal Plants were tested against a battery of organisms for antibiotic activity. The antibiotic profile for most of these extracts seems to support their traditional ...

  • Antimicrobial Flavonoids from Bolusanthus speciosus 

    Bojase, Gomotsang; Majinda, Runner R.T.; Gashe, Berhanu A.; Wanjala, Cornelius C.W. (Georg Thieme Verlag, https://www.thieme.com/, 2002)
    A new isoflavanone namely 3,5,7,2′,4′-pentahydroxy-8,3′-di(γ,γ-dimethylallyl)isoflavanone (bolusanthin II) and four new pterocarpans identified as 3-hydroxy-6′,6′-dimethylpyrano[2′,3′:1,2] [6aR,11aR]-8,9-methylenedioxypterocarpan ...

  • Antioxidant and antidiabetic potential of Myrothamnus flabellifolius found in Botswana 

    Kwape, Tebogo E.; Majinda, Runner R.T.; Chaturvedi, Padmaja (Cogent OA, https://www.cogentoa.com/journal/biology, 2016-12-29)
    The total phenol content, antioxidant and antidiabetic activity of Myrothamnus flabellifolius (MF) were investigated. The study revealed 70% ethanol/water (EW70), 70% methanol/water (MW70) and methanol (Me) extracts to ...

  • Bufadienolides and other constituents of Urginea sanguinea 

    Majinda, Runner R.T.; Waigh, Roger D.; Waterman, Peter G. (Georg Thieme Verlag, https://www.thieme.com/books, 1997)
    Fresh bulbs of Urginea sanguinea yielded stigmasterol, phloroglucinol, phloroglucinol 1-β-D-glucopyranoside (phlorin), scillaren A, a novel compound 5α-4,5-dihydroscillaren A (1), salicylic acid, and 3-hydroxy-4-methylbenzoic ...

  • Effect of erythrinaline alkaloids from Erythrina lysistemon on human recombinant caspase-3 

    Juma, Bernard F.; Armwood, Shanta; Ombito, Japheth O.; Majinda, Runner R.T.; Gwebu, Ephraim T. (Academic Journals, https://academicjournals.org/, 2018-04-22)
    Prostate cancer is a leading killer disease among men all over the world. Inducing apoptosis (programmed cell death) is a strategic chemotherapeutic approach. Caspase-3 is a key effector of apoptosis, and its activation ...

  • Erythrinaline Alkaloids and Antimicrobial Flavonoids from Erythrina latissima 

    Wanjala, Cornelius C.W.; Juma, Benard F.; Bojase, Gomotsang; Gashe, Berhanu A.; Majinda, Runner R.T. (Georg Thieme Verlag, https://www.thieme.com/books-main/biochemistry/product/3494-planta-medica, 2002)
    The seed pods of Erythrina latissima yielded erysotrine, erysodine, syringaresinol, vanillic acid, a new erythrina alkaloid, (+)-10,11-dioxoerysotrine, which was lethal to brine shrimp and 2-(5′-hydroxy-3′-methoxy ...

  • Fatty acid composition and antimicrobial activity of Baphia massaiensis seed oil 

    Keroletswe, Ngonye; Mazimba, Ofentse; Majinda, Runner R.T.; Masesane, Ishmael (SCIENCEDOMAIN International, http://www.journaljocamr.com/index.php/JOCAMR/index, 2017-04-03)
    Aims: The seed oil composition of Baphia massaiensis seeds was determined using 1H NMR and GC-MS techniques. The seed oil was also screened for antimicrobial activity. Study Design: The study was designed to determine ...

  • GC-MS analysis and preliminary antimicrobial activity of albizia adianthifolia (Schumach) and pterocarpus angolensis (DC) 

    Abubakar, Mustapha N.; Majinda, Runner R.T. (MDPI, https://www.mdpi.com/, 2016-01-29)
    The non-polar components of two leguminoceae species Albizia adianthifolia (Schumach), and Pterocarpus angolensis (DC) were investigated. GC-MS analysis of the crude n-hexane and chloroform extracts together with several ...

  • Phenolic and antibacterial constituents of Vahlia capensis 

    Majinda, Runner R.T.; Motswaledi, Modisa; Waigh, Roger D.; Waterman, Peter G. (Georg Thieme Verlag, https://www.thieme.com/books-main/biochemistry/product/3494-planta-medica, 1997)
    The n-butanol fraction of Vahlia capensis yielded kaempferol, quercetin, afzelin, astragalin, quercitrin, iso-quercitrin, rutin, gallic acid, chiro-inositol, dulcitol, and a novel biflavonoid, VC-15B (vahlia biflavone). ...