Now showing items 21-40 of 131

    • Antioxidant property of edible mushrooms collected from Ethiopia. 

      Woldegiorgis, Ashagrie Z.; Abate, Dawit; Haki, Gulelat D.; Ziegler, Gregory R. (Elsevier, 2014-02-13)
      Two cultivated (P. ostreatus and L. edodes) and five wild (L. sulphureus, A. campestris, T. clypeatus, T. micro-carpus and T. letestui) edible mushrooms were analyzed for their antioxidant activities, total phenolics, total ...
    • Rheology and botanical origin of Ethiopian monofloral honey 

      Belay, Abera; Haki, Gulelat Desse; Birringer, Marc; Borck, Hannelore; Addi, Admasu; Baye, Kaleab; Melaku, Samuel (Elsevier, 2016-09-20)
      Rheology and botanical origin of Ethiopian monofloral honeys were investigated using harmonized method of melissopalynology and HAAKE VT 500 over a temperature range of 25–45 °C, respectively. The percent dominance of ...
    • Antioxidant and cytotoxicity to liver cancer HepG2 cells in vitro of Korarima (Aframomumcorrorima (Braun) P.C.M. Jansen) seed extracts. 

      Dessalegn, Engeda; Geremew, Bultosa, G; Haki, GlelatDesse; Chen, F.; Rupasinghe, Vasantha H. P. (Taylor and Francis Group., 2021-12-27)
      This study examined the total phenolic contents, in vitroantioxidant activity and anti-cancer effect of petroleum ether and aqueous: methanol (20:80, v/v) seed extracts of Aframomum corrorima (Ethiopian cardamom). The ...
    • Indigenous and under-utilised oil seeds of Botswana: proximate composition, phytochemical screening and antioxidant activity. 

      Kobue-Lekalake, R. I.; Matenanga, O. K.; Sekwati-Monang, B.; Bultosa, G.; Tibe, O.; Seifu, E.; Molapisi, M.; Batlhophi, M. G.; Gwamba, J.; Sonno, K.; Mokhawa, G.; Phakama, T.; Setlhoka, M. D. (Society of Phamarceutical Sciences and Research, 2022-10-01)
      Proximate composition, qualitative screening for phytochemicals (terpenoids, steroids, tannins, oxalates, coumarins, phenols, saponins, and flavonoids) and antioxidant properties in four selected indigenous oilseeds: morama ...
    • Evaluating different soil tillage surface conditions on their rainwater harvesting potential in Botswana 

      Baipusi, W.J.; Kayombo, B.; Patrick, C. (African Journal of Rural Development (AFJRD), 2015-10-03)
      Rain water harvesting (RWH) is described as concentration, collection, storage and use of rain fall via runoff for various purposes such as domestic, livestock and agricultural use. RWH systems can be classified as macro, ...
    • An assessment of socio-economic potential for Rain Water Harvesting (RWH) in semi-arid Bobirwa Sub-district of Eastern Botswana 

      Mpatane, O.; Kayombo, B.; Patrick, C.; Malope, P.; Tapela, M. (African Journal of Rural Development (AFJRD), 2015-10-02)
      This study assessed the socio-economic potential of the Rain Water Harvesting (RWH) techniques for crop production in the semi-arid area of Bobirwa Sub-district, Botswana. The main methods used to collect the data were the ...
    • African Yam Bean (Sphenostylis stenocarpa) Nodulates Promiscuously with Rhizobium Indigenous to Soils of Botswana. 

      Oagile, Otsoseng; Mmolotsi, Ronnie; Segwagwe, Amogelang; Babili, Tjedza P. (Canadian Center of Science and Education, 2012-08-15)
      African yam bean is a versatile legume crop, relished for its protein rich tubers, seeds and leaves which are utilized as spinach. It is a highly adaptable crop capable of producing growth even on acid and highly ...
    • Retooling Smallholder Farming Systems for Climate Change Resilience Across Botswana Arid Zones 

      Batisani, Nnyaladzi; Pule-Meulenberg, Flora; Batlang, Utlwang; Matteoli, Federica; Tselaesele, Nelson (Springer, 2021)
      Background: Scientific progress and developments in technology have improved our understanding of climate change and its potential impacts on smallholder farming systems in sub-Saharan Africa (SSA). The persistence of such ...
    • Proximate composition and determination of the physicochemical characteristics of Mmilo (Vangueria infausta) oil from Botswana 

      Kebonye, M.; Lekalake, R.K; Sekwati-Monang, B.; Selebatso, T.; Setlalekgomu, M.R.; Sonno, K.; Gwamba, J.; Tsaone, P.; Haki, G.D. (Greener Journal of Biological Sciences, 2021-07-07)
      Mmilo (Vangueria infausta) is an indigenous fruit that is available in parts of Botswana and is well consumed in several countries in Southern Africa. This study investigated the physicochemical properties of Mmilo oil ...
    • A call for global action for rare diseases in Africa 

      Gareth S. Baynam, Stephen Groft, Francois H. van der Westhuizen, Safiyya D. Gassman, Kelly du Plessis, Emily P. Coles, Eda Selebatso, Moses Selebatso, Boikobo Gaobinelwe, Tebogo Selebatso, Dipesalema Joel, Virginia A. Llera, Barend C. Vorster, Barbara Wuebbels, Benjamin Djoudalbaye, Christopher P. Austin, Judit Kumuthini, John Forman, Petra Kaufmann, James Chipeta, Désirée Gavhed, Annika Larsson, Maja Stojiljkovic, Ann Nordgren, Emilio J. A. Roldan, Domenica Taruscio, Durhane Wong-Rieger, Kristen Nowak, Gemma A. Bilkey, Simon Easteal, Sarah Bowdin, Juergen K. V. Reichardt, Sergi Beltran, Kenjiro Kosaki, Clara D. M. van Karnebeek, Mengchun Gong, Zhang Shuyang, Ruty Mehrian-Shai, David R. Adams, Ratna D. Puri, Feng Zhang, Nicholas Pachter, Maximilian Muenke, Christoffer Nellaker, William A. Gahl, Helene Cederroth, Stephanie Broley, Maryke Schoonen, Kym M. Boycott and Manuel Posada (Nature Research, 2019-12-23)
      The 11th International Conference on Rare Diseases and Orphan Drugs (ICORD), South Africa, included the Africa-Rare initiative launch and facilitated multi-stakeholder engagement in the challenges facing, and opportunities ...
    • Food and nutrition security and wildlife conservation: Case studies from Kenya. 

      Emongor, R.A.; Maina, F.W.; Nyongesa, D.; Ngoru, B.; Emongor, V.E. (Academic Press, 2020-01-01)
      Despite concerted efforts to improve food and nutrition security in many parts of the world, food and nutrition security still remains a challenge, especially in developing countries. In the face of the increasing human ...
    • Hot water treatment and duration alleviates chilling injury of mango (Mangifera indica L.). 

      Emongor, V.E.; Pholoma, S.B.; Tshwenyane, S.O. (International Society for Horticultural Science, 2020)
      Low temperature storage is the most effective method of extending postharvest life and marketing period and maintain fruit quality. Unfortunately, for chilling injury (CI) sensitive fruits, low temperature storage may be ...
    • Treated sewage effluent (water) potential to be used for horticultural production in Botswana. 

      Emongor, V.E.; Ramolemana, G.M. (Elsevier, 2004-08)
      Botswana being semi-arid and arid country, the provision of drinking water and water for agricultural production is becoming increasingly scarce and expensive. Measures that can augment the available sources of water or ...
    • Preharvest factors that predispose apples to superficial scald. 

      Emongor, V.E.; Murr, D.P.; Lougheed, E.C. (Elsevier, 1994-09)
      Preharvest factors during fruit ontogeny greatly affect fruit quality at harvest, modify fruit response to various treatments, development of physiological disorders, and retention of fruit quality at the end of storage ...
    • Diversity of wild herbaceous legumes in southern Africa, their associated root nodule bacteria, and insect pests. 

      Pule-Meulenberg, F.; Obopile, M.; Chimwamurombe, P; Bernard, N.; Losologolo, M.; Hurek, T.; Sarkar, A.; Batlang, U.; Ngwako, S.; Schimiedel, U.; Nanyeni, L.; Mashungwa, G.; Tselaesele, N.; Reinhold-Hurek, B (CABI, 2018)
      Climate change models predict that most parts of southern Africa including Botswana and Namibia will experience severe water stress and temperature increases as a result of climate change. Wild drought-tolerant nitrogen-fixing ...
    • Current approaches to Alectra vogelii control in cowpea. 

      Ngwako, S; Mashungwa, GN (African Journals Online, 2013-03-14)
      Alectra vogelii (L.) Benth is a parasitic weed in the family Scrophulariaceae that causes substantial damage by attaching onto the cowpea, Vigna unguiculata (L. Walp.) plant and tapping nutrients from it. Cowpea is one of ...
    • Genotypic variation in response to drought stress is associated with biochemical and transcriptional regulation of ureides metabolism in common bean (Phaseolus vulgaris L.). 

      PHOLO-TAIT, Motlalepula; KGETSE, Thuto; TSHEKO, Gaone Nthabeleng; THEDI, Olerato Tshotlhe; LETHOLA, Katso; MOTLAMME, Ebenezer Oteng; ITHUTENG, Moagisi Innocent; NGWAKO, Samodimo (University of Ljubljana, 2022-05-29)
      Ureidic legumes such as common bean (Phaseoulus valgaris L.) plants export nitrogen from the nodules to shoots and leaves as ureides during symbiotic biological nitrogen fixation. Common bean gene encoding allantoinase ...
    • Alternative crops as a mitigation measure for elephant crop raiding in the eastern Okavango Panhandle. 

      Matsika, Tiroyaone A; Adjetay, Joseph A; Obopile, Motshwari; Songhurst, Anna C; Graham, McCulloch; Stronza, Amanda (International Union for Conservation of Nature and Natural Resources, 2020-08-10)
      Elephant crop raiding causes food losses to subsistence farmers in the eastern Okavango Panhandle in Botswana. This study evaluated the effectiveness of using alternative crops such as groundnut (Arachis hypogaea L.), ...
    • Combating drought: food for all. 

      Mpofu, B.; Kgosidintsi, N.; Lekalake, R.; Maruapula, S. (World Health Organization, 1988)
      Although Botswana entered its sixth year of drought in 1987, there have been no reports of deaths due to starvation. This is attributed to the country's early warning system and to the comprehensive relief measures that ...
    • Effects of phenolics in sorghum grain on its bitterness, astringency and other sensory properties. 

      Kobue-Lekalake, Rosemary Ikalafeng; Taylor, John RN; de Kock, Henriette L (Wiley, 2007-06-12)
      Despite the fact that condensed tannins are potentially important antioxidants, there is a general belief that tannins in sorghum confer objectionable sensory attributes. The objective of this study was to determine ...