Results 81 to 90 of about 2,513,921 (167)

Cassane diterpenoids from lonchocarpus laxiflorus [PDF]

open access: yes, 2008
This article examines cassane diterpenoids from lonchocarpus ...
Onyiriuka, S.O.   +4 more
core   +1 more source

Solubility of Betulinic Acid in Microemulsion System:(Part 2). [PDF]

open access: yes, 2011
Microemulsion has been reported to be an alternative carrier for poor solubility of the compounds in aqueous media. Microemulsion is a stable isotropic liquid mixture of oil, water, surfactant, with or without the combination of a co-surfactant.
Ismail, Ahmad Zaidi   +2 more
core   +1 more source

Cytotoxic and Antileishmanial Components from the Bark Extract of from Monteverde, Costa Rica

open access: yesNatural Product Communications, 2017
The bark of Ruyschia phylladenia was collected from Monteverde, Costa Rica, and extracted with acetone. Bioactivity-directed chromatographic separation of the crude acetone bark extract of R.
Kelly Marie Steinberg   +6 more
doaj   +1 more source

Evaluation of triterpenes derivatives in the viability of Leishmania amazonensis and Trichomonas vaginalis

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2019
Trichomonas vaginalis and Leishmania spp. are protozoal species responsible for millions of cases of parasitic diseases worldwide. Considering the potential of natural products and the need for more effective and less toxic alternatives to treat ...
Simone Tasca Cargnin   +7 more
doaj   +1 more source

Estudo do efeito e do mecanismo de ação de triterpenos naturais e da 1,25 (OH)2 vitamina D3 na homeostasia da glicose: papel destes compostos como secretagogos de insulina e/ou insulinomiméticos [PDF]

open access: yes, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Biológicas, Programa de Pós-Graduação em Bioquímica, Florianópolis, 2015.A hiperglicemia crônica proveniente da diminuição da produção insulínica e do aumento da resistência ...
Castro, Allisson Jhonatan Gomes
core  

Studies on the antitumor potentials of betulinic acid against murine ascites Dalton’s lymphoma [PDF]

open access: yes, 2017
Background: Betulinic acid, a naturally occurring pentacyclic triterpene, exhibits a variety of biological activities including anticancer properties. Despite the wide importance of ethnobotanical studies on the anticancer therapeutic uses of betulinic ...
Prasad, Surya Bali, Bhaumik, Anamika
core   +1 more source

Exploration of the Antiplatelet Activity Profile of Betulinic Acid on Human Platelets

open access: yes, 2012
Betulinic acid, a natural pentacyclic triterpene acid, presents a diverse mode of biological actions including antiretroviral, antibacterial, antimalarial, and anti-inflammatory activities.
Hwa, John   +6 more
core   +2 more sources

Preparation of Betulinic Acid Derivatives in Organic Solvents [PDF]

open access: yes, 2004
Betulinic acid has been identified as a potential natural product in medical field. The objectives of this research were to discover a new method for the modification of betulinic acid’s functional groups (C-3 and C-28 position) and to evaluate its ...
Issak, Anishah
core   +1 more source

Assessing Chemical Constituents of Mimosa caesalpiniifolia Stem Bark: Possible Bioactive Components Accountable for the Cytotoxic Effect of M. caesalpiniifolia on Human Tumour Cell Lines

open access: yesMolecules, 2015
Mimosa caesalpiniifolia is a native plant of the Brazilian northeast, and few studies have investigated its chemical composition and biological significance.
Nayana Bruna Nery Monção   +7 more
doaj   +1 more source

Ethylenediamine Derived Carboxamides of Betulinic and Ursolic Acid as Potential Cytotoxic Agents

open access: yesMolecules, 2018
Two easily accessible, natural occurring triterpenoids, betulinic and ursolic acid, were used as starting materials for the synthesis of novel cytotoxic agents.
Michael Kahnt   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy