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Now showing items 11-20 of 46
Flavonol glycosides with insecticidal activity from methanol extract of Annona mucosa Jacq. leaves
(2019-12)
Three flavonoids, quercetin 3-O-β-D-glucoside (1), quercetin 3-O-α-Darabinoside (2) and kaempferol 3-O-β-D-galactoside (3) were isolated from the methanol extract of the leaves of Annona mucosa Jacq. Their structures were ...
Analgesic Activity of Conyza Floribunda Extracts in Swiss Albino Mice
(2021-06-30)
Traditional medicine still plays an important role in managing infections especially in Africa. Extracts of Conyza floribunda Kunth are used to treat sore throat, ringworm and other skin related infections, toothache and ...
Characterization of Clays from selected sites for Refractory Application
(2019-11)
Clay is a stony or earthy mineral aggregate composed of
fine-grained minerals, which are plastic at appropriate water
content and hardens up when fired. Clay soils have various
mineral groups such as kaolinite, smectites, ...
Detection of sweet potato viruses in Western Kenya, development of a multiplex PCR technique for simultaneous detection of major viruses and evaluation of medicinal plants for antifungal and antibacterial activities against the crop pathogens
(2011)
Sweet potato is an important food crop worldwide since it is drought tolerant and acts as a famine relief crop. However, its production is limited by viral, fungal and bacterial infections. Lack of rapid and sensitive ...
Repellent Effects of Ocimum Suave Extracts and Compounds against Prostephanus Truncatus Horn
(2021-04-08)
Insect pests cause significant loses to maize grains in storage. Larger grain borer (Prostephanus truncatus Horn) is one of the most important pests of stored maize. Synthetic pesticides are commercially available for ...
Triterpenes of Commiphora holtziana oleo-gum resin
(NRC Research Press, 2009-07)
Chemical analysis of the acetone extract of Commiphoraholtziana gum resin has led to the isolation of triterpenes characterized as methyl 3-oxo-1α,19α,28-trihydroxyurs-12-en-24-oate (1), methyl 3β-acetyl-2α,11α,19α,28-te ...
A Review Pesticidal Activity of Essential Oils against Sitophilus oryzae, Sitophilus granaries and Sitophilus Zeamais
(IOSR Journals, 2022-04)
Infestation of cereals in storage by Sitophilus oryzae, Sitophilus granaries and Sitophilus Zeamais lead to great food loses in Sub-Saharan Africa. Some of the synthetic pesticides which are available are non-biodegradable ...
Impure Hydrazone Preparation from Chicken Dung
(IISTE, 2020-09-30)
Hydrazones are strong reducing agents. Some hydrazones like hydrazine are is highly toxic and unstable and are therefore found dissolved in water. Chicken dung contains amines and uric acid that are potential sources of ...
Phytoecdysteroids from the Stem Bark of Vitex doniana and Their Anti-Inflammatory Effects
(Georg Thieme Verlag, 2012-10)
With reference to the ethnopharmacological significance of Vitex doniana Sweet (Lamiaceae) leaves in the treatment of stomach and rheumatic pains as well as inflammatory disorders, biological studies on its stem bark ...
Survey of sweet potato viruses in Western Kenya and detection of cucumber mosaic virus
(Journal of Plant Pathology, 2010)
Sweet potato is an important food crop worldwide, but several pests and diseases limit its production. In eastern Africa, virus-induced diseases rank second to weevils in causing yield reduction. Symptomatic sweet potato ...