Results 11 to 20 of about 293 (132)

Chemical and Cytotoxic Activity of three main Sesquiterpenoids from Warburgia ugandensis

open access: yesResults in Chemistry, 2021
Plant materials of Warburgia ugandensis have long been used in traditional African medicine due to their broad spectrum of biological activity. Here, we describe an efficient and mild isolation of three major compounds polygodial 1a, warburganal 2a, and ...
Reni Kitte   +8 more
doaj   +2 more sources

Isolation and Characterization of Sesquiterpenes from Stem Bark of Warburgia ugandensis Sprague

open access: yesBiology, Medicine & Natural Product Chemistry, 2020
Warburgia ugandensis Sprague is one of the medicinal plants traditionally used to treat a number of diseases like asthma, cough, diarrhea, common cold, stomachache and toothache in Ethiopia.
Teshome Gonfa Hordofa
doaj   +3 more sources

Application of the herbal chemical marker ranking system (Herb MaRS) to the standardization of herbal raw materials: a case study [PDF]

open access: yesBMC Complementary Medicine and Therapies, 2023
Introduction Phytochemical standardization of herbal materials involves establishing consistent levels of one or more active ingredients or markers. It ensures the authenticity and quality of herbal materials, extracts, and their products.
Bruhan Kaggwa   +7 more
doaj   +2 more sources

Prospection of plant-based bio-insecticides for mosquito vector control in Tanzania: A comprehensive review [PDF]

open access: yesParasite Epidemiology and Control
Mosquito-borne diseases, including malaria, dengue, chikungunya, zika, and lymphatic filariasis, pose significant public health challenges in Tanzania.
Deokary Joseph Matiya
doaj   +2 more sources

Medicinal plant species used for contraception and reproductive health care in rural Uganda [PDF]

open access: yesHeliyon
Medicinal plants form an integral part of traditional health care systems in Uganda and are known to possess a variety of bioactive compounds some of which are beneficial as contraceptives.
Madina Mohamed Adia   +6 more
doaj   +2 more sources

Exploring nature’s antidote: unveiling the inhibitory potential of selected medicinal plants from Kisumu, Kenya against venom from some snakes of medical significance in sub-Saharan Africa [PDF]

open access: yesFrontiers in Pharmacology
Background: The present study investigated the efficacy of Conyza bonariensis, Commiphora africana, Senna obtusifolia, Warburgia ugandensis, Vernonia glabra, and Zanthoxylum usambarense against Bitis arietans venom (BAV), Naja ashei venom (NAV), and Naja
Mitchel Okumu   +5 more
doaj   +2 more sources

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   +3 more sources

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   +2 more sources

Immunostimulatory responses to crude extracts of Warburgia ugandensis (Sprague) subsp ugandensis (Canellaceae) by BALB/c mice infected with Leishmania major. [PDF]

open access: yesPan Afr Med J, 2014
To determine the immunostimulatory potential of crude extracts of Warburgia ugandensis subsp. ugandensis with a soluble leishmanial antigen in vaccinating BALB/c mice.Seventy two female BALB/c mice were randomly assigned into six groups. The mice were vaccinated with soluble leishmania antigens (SLA) alone, hexane, ethyl acetate, and dichloromethane ...
Ngure P   +6 more
europepmc   +3 more sources

Medicinal Plants Used in the Management of Sexual Dysfunction, Infertility and Improving Virility in the East African Community: A Systematic Review. [PDF]

open access: yesEvid Based Complement Alternat Med, 2023
Sexual disorders such as erectile dysfunction (ED), sterility, and sexual inappetence represent some of the complex reproductive challenges that require addressing the underlying causes. The aim of this paper was to systematically synthesize literature on the ethnobotany, phytochemistry, bioactivities, and safety of plants used as remedies for managing
Kyarimpa C   +6 more
europepmc   +2 more sources

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