Snakebite envenomation is a serious public health concern in rural areas of Uganda. Snakebites are poorly documented in Uganda because most occur in rural settings where traditional therapists end up being the first-line defense for treatment. Ethnobotanical surveys in Uganda have reported that some plants are used to antagonize the activity of various snake venoms. This review was sought to identify antivenin plants in Uganda and some pharmacological evidence supporting their use. A literature survey done in multidisciplinary databases revealed that 77 plant species belonging to 65 genera and 42 families are used for the treatment of snakebites in Uganda. The majority of these species belong to family Fabaceae (31%), Euphorbiaceae (14%), Asteraceae (12%), Amaryllidaceae (10%) and Solanaceae (10%). The main growth habit of the species is shrubs (41%), trees (33%) and herbs (18%). Antivenin extracts are usually prepared from roots (54%) and leaves (23%) through decoctions, infusions, powders, and juices, and are administered orally (67%) or applied topically (17%). The most frequently encountered species were Allium cepa, Carica papaya, Securidaca longipedunculata, Harrisonia abyssinica, and Nicotiana tabacum. Species with global reports of tested antivenom activity included Allium cepa, Allium sativum, Basella alba, Capparis tomentosa, Carica papaya, Cassia occidentalis, Jatropa carcus, Vernonia cinereal, Bidens pilosa, Hoslundia opposita, Maytensus senegalensis, Securinega virosa, and Solanum incanum. There is need to identify and evaluate the antivenom compounds in the claimed plants.
Snakebite envenomation, cognized as a neglected tropical disease, is a dread public health concern with the most susceptible groups being herdsmen, the elderly, active farmers, hunters, fishers, firewood collectors, 10 to 14-year old working children and individuals with limited access to education and health care. Snakebites are fragmentarily documented in Uganda primarily because most occur in rural settings where traditional therapists end up being the first line defence for treatment. Ethnobotanical surveys in Uganda have unveiled that some plants are used to antagonize the activity of various snake venoms. This review was sought to compile the sporadic information on the vegetal species reported as antivenins in Uganda. Electronic data indicate that no study entirely reported on antivenin plants in Uganda. A total of 77 plant species belonging to 65 genera, distributed among 42 botanical families claimed as antiophidic in Uganda are used for treatment of snakebites. Majority of these species belong to family Fabaceae (30.9%), Euphorbiaceae (14.3%), Asteraceae (11.9%), Amaryllidaceae (9.5%) and Solanaceae (9.5%). The antiophidic species listed are shrubs (40.5%), trees (32.9%) and herbs (17.7%), usually found in the wild and uncultivated. Antivenin extracts are primarily prepared from roots and leaves, through decoctions, infusions, powders and juices and administered orally or topically. The most frequently encountered therapeutically important species are Allium cepa L., Carica papaya L., Securidaca longipedunculata Fres., Harrisonia abyssinica Oliv. and Nicotiana tabacum L. Baseline epidemiological data on snake envenomation and antivenin plants in Uganda remain incomplete due to inadequate research and diverse ethnic groups in the country. There is a dire need to isolate and characterize the bioactive compounds in the claimed plants to enable their adroit utilization in handling the plague of snake envenomation. More baseline data should be collected on snake ecology and human behaviour as well as antivenin plants in Uganda. Indigenous knowledge on the use of plant preparations in traditional medicine in Uganda is humongous, but if this is not quickly researched and appropriately documented, indications as to the usefulness of this vegetal treasure house will be lost in the not so distant future.
Kampala Industrial and Business Park (KIBP) features as the premier and the best planned industrial complex in Uganda's history that impacts the inner Murchison Bay of Lake Victoria. The number of operational establishments in the park has raised environmental concerns; air, land and water pollution are significantly magnified by the close proximity of industries. Furthermore, industrial trucks have created unprecedented traffic congestion on Kampala-Jinja highway because the highway design cannot accommodate the traffic. Industries are producing volumetric wastes, and rendering the surrounding areas unacceptable for residential, shopping and recreational purposes as previously proposed in the construction design. This cross-sectional study characterized the wastes being generated in the park and prospected the future generation trend of the wastes. Results indicate that 39 assorted types of wastes are being produced in KIBP. Annually, 3214.8 metric tons of wastes are produced in KIBP and this is prognosticated to triple in the next 5 years with new industries being set up. Chemical analysis revealed that 3% of the wastes currently generated are hazardous; 16% are non-biodegradable; 18% are metallic whereas the residual 63% are putrescible. Recycling of wastes should be encouraged to reduce the volume of wastes generated in KIBP.
Syanyonja village in the gold district of Busia, South East of the Republic of Uganda contain geologically epigenetic gold quartz vein deposits in carbonate-altered mafic metavolcanic rocks, deposited as quartz reefs in mineralized shear zones. In supracrustal rocks, alluvial gold is obtained from weathered auriferous quartz veins, which are of late orogenic granitic activity. The Syanyonja gold deposits have long been subjected to artisanal and small-scale gold mining (ASGM) by the locals for livelihood. This study determined the amount of mercury discharged with tailings into Namukombe stream, a major water body in Syanyonja village and investigated the impacts of ASGM on the mining population and the environment. Quantitation of mercury discharged with tailings was done by mass balance method. Field survey at the mining sites was done followed by administration of questionnaires to 50 stampeders in the village. The study indicates that about 8% of mercury mixed with auriferous materials are lost in tailings, accounting for an annual mercury release of about 1.757 kg into the environment. Socio-demographic results indicate that the majority of the mining population (64%) are male and ASGM have left health and environmental footprints, which directly or indirectly affects the population. The most common health problems among miners are malaria (36%) and abdominal pain (20%). The standard of living of the miners are evidently low, and most mines are characterized by school dropouts, prostitutes and thieves. Mining sites have deplorably poor hygiene, with evident burning of amalgams to recover gold. ASGM have been accompanied by wanton mowing down of vegetation, land degradation as well as mercuric pollution of water, air, land and aquatic ecosystems. It is suggested that the Ugandan government should re-enforce committees to follow up on ASGM activities, train artisans on sustainable gold mining using borax, magnets, sluice boxes as well as take up farming actively as an alternative.
Environmental isolates, genetically manipulated organisms, plants, animals and their products and economical methods are being expertly explored to biosynthesize poly-3-hydroxybutyrate plastics of comparable properties to petroplastics. This study assessed a hypothesized feasibility of utilizing a proliferative pleustophytic greenery, water hyacinth (Eichhornia crassipes (Mart.) Solms-Laubach) in Lake Victoria, Uganda as a potential carbon source for poly-3-hydroxybutyrate biosynthesis. The poly-3-hydroxybutyrate biosynthesizing bacteria (Bacillus megaterium) was isolated from municipal sewage sludge and harnessed for batch fermentation of acid-catalysed water hyacinth biomass. Poly-3-hydroxybutyrate formed in the cytoplasm of the bacterial cells was extracted by chloroform extraction method, and thereof confirmed and quantified by UV spectroscopy. Batch fermentation was carried out in 100ml of the culture media in a 250ml fermenter for different times (48, 96, 144 and 192 hours) to determine the best incubation time for maximum yield. An all-out net yield of 61.3% was realized after 96 hours of fermentation. Utilization of this ecological plague for poly-3-hydroxybutyrate biosynthesis is a promising strategy for regulating the weed population along the length of Nile River and the Victorian basin.
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