Results 41 to 50 of about 239 (95)

Insecticidal and Antifeedant Activities of Malagasy Medicinal Plant (Cinnamosma sp.) Extracts and Drimane-Type Sesquiterpenes against Aedes aegypti Mosquitoes

open access: yesInsects, 2019
The overuse of insecticides with limited modes of action has led to resistance in mosquito vectors. Thus, insecticides with novel modes of action are needed.
Edna Alfaro Inocente   +8 more
doaj   +1 more source

Diversity, Structural Dynamics, Regeneration Potential, and Endemism of Moist Evergreen Afromontane Forests in Ethiopia

open access: yesInternational Journal of Forestry Research, Volume 2026, Issue 1, 2026.
The moist evergreen Afromontane forest (MEAF) in Ethiopia is characterized by unique species diversity and serves as the center of origin and diversity for Coffea arabica. A systematic review of MEAF in Ethiopia was conducted following the PRISMA 2020 protocol.
Worku Misganaw Tebabal   +3 more
wiley   +1 more source

Antimicrobial Drimane Sesquiterpenes Contribute to Balanced Antagonism but Do Not Structure Bacterial and Fungal Endophytes in the African Pepper Bark Tree Warburgia ugandensis

open access: yesFrontiers in Ecology and Evolution, 2017
The African pepper bark tree, Warburgia ugandensis, accumulates antimicrobial drimane sesquiterpenes in all of its organs. One hypothesis states that plant defense compounds determine endophyte community structure.
Sigrid Drage   +8 more
doaj   +1 more source

Ethnobotanical Survey of Medicinal Plants Utilized by Traditional Healers in Managing Respiratory Tract Infections in the Kagera Region, Tanzania

open access: yesThe Scientific World Journal, Volume 2026, Issue 1, 2026.
Respiratory tract infections (RTIs) are the primary cause of morbidity and mortality in many low‐and middle‐income countries. In most of these countries, including Tanzania, medicinal plants (MPs) are primarily used to manage various ailments, though the majority are not yet documented.
Neema Gideon Mogha   +4 more
wiley   +1 more source

The isolation of bioactive compounds from Warburgia ugandensis bark: A report of albicanyl acetate, caseamemin and β-sitosterol from Warburgia species

open access: yesInternational Journal of Secondary Metabolite
Warburgia ugandensis, which is one of the indigenous species of Ethiopia, is known for its wide range of biological activities. A series of drimane sesquiterpenoids have been isolated from the stem bark of the plant.
Christopher Suh, Zelalem Gizachew
doaj   +1 more source

Recent Advances in Sustainable Total Synthesis and Chiral Pool Strategies with Emphasis on (−)‐Sclareol in Natural Products Synthesis

open access: yesEuropean Journal of Organic Chemistry, Volume 28, Issue 8, February 24, 2025.
There are continuous efforts to improve total syntheses of natural products, particularly their sustainability, such as developing effective chiral pool approaches relying on a wide spectrum of natural chirons, including (−)‐sclareol as one of the most useful natural chirons.
Ayyoub Selka   +5 more
wiley   +1 more source

Woody Species Composition, Structure, and Soil Seed Bank of the Degraded Parts of the Gera Moist Afromontane Forest, Southwestern Ethiopia

open access: yesInternational Journal of Forestry Research, Volume 2024, Issue 1, 2024.
Ethiopia’s forest coverage is decreasing from time to time due to agricultural expansion, settlements, misuse of existing forest resources, and a lack of awareness and sense of ownership among the local population. Not only forest coverage but also species composition and diversity are decreasing in the country.
Dereje Egeta   +6 more
wiley   +1 more source

11α-Hydroxy muzigadiolide, a novel drimane sesquiterpene from the stem bark of warburgia ugandensis

open access: yesBulletin of the Chemical Society of Ethiopia, 2000
The stem bark of Warburgia ugandensis provided a new drimane sesquiterpene 11-hydroxy muzigadiolide whose structure was elucidated on the basis of spectral measurements.
John M. Ndegwa, Mohamed S. Rajab
doaj  

Utilisation of priority traditional medicinal plants and local people's knowledge on their conservation status in arid lands of Kenya (Mwingi District)

open access: yesJournal of Ethnobiology and Ethnomedicine, 2010
Mwingi District lies within the Kenyan Arid and Semiarid lands (ASALs) in Eastern Province. Although some ethnobotanical surveys have been undertaken in some arid and semiarid areas of Kenya, limited studies have documented priority medicinal plants as ...
Njoroge Grace N   +3 more
doaj   +1 more source

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