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A simple methodology for the determination of fatty acid composition in edible oils through 1H NMR spectroscopy
- A. Barison, Caroline Werner Pereira da Silva, F. R. Campos, F. Simonelli, C. Lenz, A. Ferreira
- ChemistryMagnetic resonance in chemistry : MRC
- 1 August 2010
The methodology was successfully applied to determine the fatty acid composition of several edible oils, with equivalent results to those given by the AOAC Official method by gas chromatography.
Chemical and spectroscopic characterization of humic acids extracted from the bottom sediments of a Brazilian subtropical microbasin
Diterpenoids from Copaifera reticulata Ducke with larvicidal activity against Aedes aegypti (L.) (Diptera, Culicidae).
- Regina Geris, I. G. Silva, H. G. Silva, A. Barison, E. Rodrigues-Filho, A. Ferreira
- BiologyRevista do Instituto de Medicina Tropical de Sao…
- 1 February 2008
This study showed that only diterpenoids 1 and 2 exhibited larvicidal properties with LC50 of 0.8 ppm and 87.3 ppm, revealing the former as the most toxic compound against third instars of Ae.
In Vitro Atileishmanial and Cytotoxic Activities of Annona mucosa (Annonaceae)
The antileishmanial activity of extracts from the leaves and seeds of Annona mucosa, and of the oxoaporphine alkaloid liriodenine isolated from the dichloromethane extract of the leaves, were…
Sesquiterpene lactones from Vernonia scorpioides and their in vitro cytotoxicity.
CHEMICAL CONSTITUENTS FROM THE STEM BARK OF Annona pickelii (Annonaceae)
The phytochemical investigation of the stem bark of Annona pickelii yielded compounds that support their recent reclassification from Rollinia to Annona, and that it is a typical species of the family Annonaceae.
Trypanocidal Activity of Oxoaporphine and Pyrimidine-β-Carboline Alkaloids from the Branches of Annona foetida Mart. (Annonaceae)
Phytochemical investigation of the branches of Annona foetida Mart. led to isolation from the CH2Cl2 extract of four alkaloids: Atherospermidine (1), described for the first time in this species,…
Evaluation of leishmanicidal and trypanocidal activities of phenolic compounds from Calea uniflora Less.
The phytochemical study of Calea uniflora led to the isolation of nine phenolic compounds identified as noreugenin, ethyl caffeate, which did not present cytotoxic effect towards THP-1 cells, and compound 2 was 3.5-fold more selective than the mixture of 3+4.
ent-Kaurane diterpenes from the stem bark of Annona vepretorum (Annonaceae) and cytotoxic evaluation.