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Gibberellic acid influences growth indices and biochemical parameters in micropropagated Ocimum gratissimum L. explants
The study investigates the micropropagation of Ocimum gratissimum through somatic embryogenesis using plant growth regulators (PGRs), revealing GA3 and IAA as the most effective for enhancing growth and reducing oxidative stress. Keywords: plant tissue culture; plant growth regulators; explant; mic…
Category: Environmental Health Practitioner
Phytochemical composition and chemical profiling of extracts of Cordia grandicalyx Oberm
The study explores the phytochemical composition, antioxidant activity, and cytotoxicity of Cordia grandicalyx extracts, identifying α-amyrin and β-amyrin as potential therapeutic compounds with low cellular toxicity. Keywords: Cordia grandicalyx Oberm; amyrin; cytotoxicity; antioxidant activity;…
Category: Environmental Health Practitioner
Evaluating the effect of 40% and 0% shading levels on the secondary metabolites, antifungal and anti-insect activities of extracts of Allium porrum cultivated hydroponically under greenhouse conditions
The study examines how light intensity influences phenolic content, volatile compounds, and antifungal/anti-insect properties of hydroponically grown Allium porrum, revealing higher antifungal activity under shaded conditions. Keywords: secondary metabolites; anti-Fusarium oxysporum; Allium porrum;…
Category: Environmental Health Practitioner
Isolation and antioxidant activity of 5-methyldihydroflavasperone from ethanol leaf extract of Guiera senegalensis JF Gmel
The study investigates the antioxidant activity of Guiera senegalensis ethanol leaf extract, isolating 5-methyldihydroflavasperone, though not responsible for the observed activity, prompting further compound identification. Keywords: Antioxidant activity; DPPH assay; Guiera senegalensis; 5-methyld…
Category: Environmental Health Practitioner
Antistaphylococcal effects of alcoholic extracts of Tetrapleura tetraptera (Schum and Thonn.) (Taub.) against multidrug methicillin resistant Staphylococcus aureus
The study highlights the potent antistaphylococcal properties of Tetrapleura tetraptera extracts against multidrug-resistant MRSA, validating its ethnomedicinal use and demonstrating its potential in combating resistant infections. Keywords: antistaphylococcal activities; macrobroth dilution assay;…
Category: Environmental Health Practitioner
Gas chromatography-mass spectrometry chemical profile investigation and biological activities of ethylacetate fraction of Baobab (Adansonia digitata L.) pulp used in the treatment of urinary tract infections
The study identifies bioactive compounds in Adansonia digitata fruit pulp, demonstrating its antioxidant and antibacterial properties, supporting its traditional use in treating UTIs and other ailments. Keywords: Adansonia digitata; antioxidant; antibacterial; GC–MS analysis; phytochemicals.
Category: Environmental Health Practitioner
The influence of organizational culture on performance in public entities of South Africa
This study examines the impact of organizational culture on strategy implementation and performance in Northern Cape public entities, finding that inadequate culture, alongside limited resources, hinders effective implementation. Keywords: rational culture; masculinity, adhocracy culture; organisat…
Category: Environmental Health Practitioner
The influence of fire presence and absence on grass species composition and species richness at Mountain Zebra National Park
This study examines how fire impacts grass species diversity and composition in Mountain Zebra National Park, finding no significant differences in diversity but altered species composition, informing future fire management plans. Keywords: species richness; species; diversity species; composition-…
Category: Environmental Health Practitioner
Analysis of trends, recurrences, severity and frequency of droughts using standardized precipitation index
The article profiles hydrological drought in South Africa's OR Tambo District from 1998 to 2018, highlighting areas of high vulnerability. It identifies variations in drought frequency, severity, and intensity across municipalities, offering insights for adaptation planning and resource allocation.…
Category: Environmental Health Practitioner
Maize producers’ vulnerability to climate change: Evidence from Makhuduthamaga Local Municipality, South Africa
The study examines the impact of climate change on maize yields in northern South Africa, finding that agricultural practices, rather than rainfall variability, drive yield trends. It highlights farmers' proactive adaptation strategies to mitigate climate change effects. Keywords: adaptation; clima…
Category: Environmental Health Practitioner