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Phytochemical study of Davilla elliptica and Vellozia variabilis and assessment in trials against neglected tropical diseases

Grant number: 14/08404-6
Support Opportunities:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): October 01, 2014
Effective date (End): September 30, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Organic Chemistry
Principal Investigator:Wilson Roberto Cunha
Grantee:Lúzio Gabriel Bocalon Flauzino
Host Institution: Pró-Reitoria Adjunta de Pesquisa e Pós-Graduação. Universidade de Franca (UNIFRAN). Franca , SP, Brazil


Natural products are used by man since ancient times. The search for relief and cure of diseases by eating leaves and herbs may have been one of the earliest forms of using natural products. Chemistry of Natural Products represents, within the search area with plant species, a point of great importance and value, in that only through the use of phytochemicals methods can isolate new substances and obtain the correct determination of their chemical structures and subsequently obtainment of derivatives by partial or total synthesis. The introduction of new technologies became the medicinal chemistry in its broadest conception, expanding its interdisciplinary character. The new Molecular Biology and genetic techniques allowed the isolation and purification of many enzymes and receptors directly associated with the diseases, representing authentic molecular targets for new drugs. Most drugs available in modern therapy are obtained by synthesis, but many of them were originally extracted from plants or used a prototype that, in turn, was also extracted from plants. This project focuses on the preparation of crude extracts of two plant species (Davilla elliptica and Vellozia variabilis) that will be collected in "Cerrado" areas. These extracts will be evaluated in vitro against the parasites that cause leishmaniasis, schistosomiasis and Chagas diseases, thus aiming the obtainment of the most promising extracts for further fractionation and isolation of the major constituents in order to obtain the active compounds. The promising molecules will also be incorporated into nanoparticles being evaluated your profile release. (AU)

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