Results 61 to 70 of about 4,377 (211)

Nitrogen fertilizer rates and supplementary irrigation effects on maize yield in Eastern Ethiopia

Agrosystems, Geosciences &Environment, Volume 8, Issue 3, September 2025.
Abstract Maize (Zea mays L.) is an important food and nutritional security crop widely grown in Ethiopia. However, the crop yield is low due to low soil fertility, and erratic rainfall that results in moisture stress during the primary growing season.
Waktole Mosisa, Nigussie Dechassa, Kibebew Kibret, Habtamu Zeleke, Zelalem Bekeko   +4 more
wiley   +1 more source

Phytochemical Screening and Cytotoxic Properties of Ethanolic Extract of Young and Mature Khat Leaves

Journal of Chemistry, 2020
The khat plant has been culturally used in many parts of Africa and the Arabian Peninsula for many years to induce psycho-stimulating effect. Because of the global wide-spreading nature, khat chewing is being considered as a universally growing problem ...
Rashad Alsanosy, Hassan A. Alhazmi, Shahnaz Sultana, Ashraf N. Abdalla, Yassin Ibrahim, Mohammed Al Bratty, David Banji, Ibrahim Khardali, Asaad Khalid   +8 more
doaj   +1 more source

Effect of Daily Chewing Soft Buds and Leaves of Catha edulis (Khat) on the Antioxidant Defense System and Oxidative Stress Markers in Blood [PDF]

, 2015
Catha edulis (Khat) is one of the major economic, social and health problems in Yemen. This paper aimed to study the effect of Khat on the oxidative status of Khat chewers by measuring the levels of enzymatic and non-enzymatic antioxidant as well as ...
Abdullah, R., Adnan Ali Al-Asbahi, ., Khalid Mohammed Naji, ., Maher Ali Al-Maqtari, ., Nagesh Babu, ., Qais Yusuf, M., Varadahally Rangaiah Devaraj, .   +6 more
core  

The role of family background on adolescent khat chewing behavior in Jazan Region [PDF]

, 2013
BACKGROUND: Khat is a well-known natural stimulant from the Catha edulis plant and is widely used in certain Red Sea countries, including Yemen and the province of Jazan in Saudi Arabia.
Abdelrahim Gaffar, Mohamed Mahfouz, Rashad Alsanosy   +2 more
core   +1 more source

Post‐stroke depression prevalence and associated factors at Hawassa University Hospital, Ethiopia: A prospective cross‐sectional study

Psychiatry and Clinical Neurosciences Reports, Volume 4, Issue 3, September 2025.
Abstract Background Post‐stroke depression (PSD) is the most common neuropsychiatric complication following stroke. Although its prevalence varies across studies and meta‐analyses, it is estimated to affect over 25% of stroke survivors. Despite its significant negative impact on recovery and quality of life, PSD is frequently underdiagnosed ...
Awoke Seid, Abera Kuma, Yegzeru Belete, Amanuel Anegagregn   +3 more
wiley   +1 more source

Algunas consideraciones farmacológicas y medicolegales relativas al consumo de Catha edulis Forsk (Khat) Some pharmacological and medicolegal considerations related to the consumption of Catha edulis Forsk (Khat)

Revista Cubana de Estomatología, 2008
Se realiza una revisión bibliográfica acerca de la historia y antecedentes históricos del consumo de la Catha edulis, Khat (Chat en amárico) en Etiopía (hoy Eritrea), un análisis botánico-farmacológico de sus componentes químicos y sus efectos sobre el ...
Felipe Segundo Fernández Pérez, Alfredo F. Lorié González, Ana Isis Arias Gallardo   +2 more
doaj  

Occupational dermatological risks from bioactive compounds in Catha edulis (C. edulis): a GC–MS and cross-sectional study in Embu County, Kenya

Bulletin of the National Research Centre
Catha edulis (C. edulis) is a psychostimulant plant widely cultivated in Eastern Africa, notably valued for its economic contribution. While its primary alkaloids, cathinone and cathine, are well-documented, limited research exists on its broader ...
Richard Mwaniki Njue, Charles Mburu, Paul Njogu, Cecilia Kathurima, Jane Mburu   +4 more
doaj   +1 more source

Spinal Anesthesia in Patients Using Regularly CAT (Catha Edulis Forskal)

Общая реаниматология, 2009
Objective: to study the course of spinal anesthesia in regular users of CAT (Catha edulis Forskal). Subjects and methods. The course of spinal anesthesia was studied in 75 patients in relation to the degree of drug dependence in patients with a national ...
M. Nuzeili, N. Ye. Burov, V. N. Marinchev, J. Horeibi   +3 more
doaj   +1 more source

Biosynthesis of Ephedrine Initiated by Pyridoxal Phosphate‐Dependent Formation of Cathinone

ChemBioChem, Volume 26, Issue 14, July 18, 2025.
An alternative pathway to ephedra alkaloids via (S)–cathinone is investigated in plants. This pathway circumvents the formation of 1‐phenylpropane‐1,2‐dione as an intermediate, which has been part of the predominantly postulated biosynthetic pathway for the last decades. This alternative pathway involves an enzymatic pyridoxal phosphate (PLP)‐dependent
Karina Witte, Anne Behrens, Hannes M. Schwelm, Volker Auwärter, Michael Müller   +4 more
wiley   +1 more source

Seasonal and Landscape‐Driven Variations in Forage Resources of Apis mellifera scutellata: Implications for Pollination Sustainability and Colony Health in Taita Taveta County, Kenya

Ecology and Evolution, Volume 15, Issue 7, July 2025.
We used DNA metabarcoding to identify nectar and pollen plant species supporting honey bee nutrition across different landscapes and seasons in Taita Taveta County, Kenya. Forage availability was influenced by landscape and season, with exotic species (67%) dominating over native ones (33%), raising concerns about colony health and how the occurrence ...
Mary Chege, Mbatha B. Wambua, Wambua J. Kilonzo, Sevgan Subramanian, Beatrice T. Nganso   +4 more
wiley   +1 more source