Maria de Fátima Agra
Federal University of Paraíba
178 Papers
1.2K Citations
Maria de Fátima Agra is an academic researcher from Federal University of Paraíba. The author has contributed to research in topics: Biology & Chemistry. The author has an hindex of 25, co-authored 164 publications.
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Papers
Phytochemical study of Waltheria viscosissima and evaluation of its larvicidal activity against Aedes aegypti
Maria Denise Leite Ferreira,Diégina Araújo Fernandes,Fabíola da Cruz Nunes,Yanna Carolina Ferreira Teles,Yngred M. Rolim,Camila Macaubas da Silva,Janderson B.L. de Albuquerque,Maria de Fátima Agra,Maria de Fátima Vanderlei de Souza +8 more
TL;DR: In this paper, the authors reported the isolation of phytoconstituents of W. viscosissima, as well as quantification of its phenolics, total flavonoid content, and free radical scavenging potential, along with an evaluation of its larvicidal activity against Aedes aegypti larvae.
Antimicrobial activity of a mixture of two isomeric phenylpropanoid glycosides from Arrabidaea harleyi A.H. Gentry (Bignoniaceae)
Cláudia Sampaio de Andrade Lima,Elba Lúcia Cavalcanti de Amorim,Kêsia Xisto da Fonseca Ribeiro de Sena,Alda de Andrade Chiappeta,Xirley Pereira Nunes,Maria de Fátima Agra,Emídio V. L. da-Cunha,Emídio V. L. da-Cunha,Marcelo Sobral da Silva,José Maria Barbosa-Filho +9 more
TL;DR: Foi estabelecida a concentracao minima inibitoria (CMI) atraves do metodo de difusao em meio solido frente a Staphylococcus aureus, Micrococcus luteus e Candida albicans.
Studies on the alkaloids of Solanum of northeastern Brazil
TL;DR: The fruits of Solanum crinitum, S. rhytidoandrum, and S. stipulaceum were investigated and yielded solasodine in moderate to high yield, the steroid alkaloid potentially important for the manufacture of steroid hormones and other compounds of potential therapeutic value.
Botanical study, phytochemistry and antimicrobial activity of Tabebuia aurea
José Maria Barbosa-Filho,Cláudia Sampaio de Andrade Lima,Elba Lúcia Cavalcanti de Amorim,Kêsia Xisto da Fonseca Ribeiro de Sena,Jackson Roberto Guedes da Silva Almeida,Emídio V. L. da-Cunha,Marcelo Silva,Maria de Fátima Agra,Raimundo Braz-Filho +8 more
- 01 Jan 2004
TL;DR: The morphodiagnosis and phytochemical and antimicrobial investigations of Tabebuia aurea are reported in this article, where the leaves are compostas with anomocytic stomata only on the lower side; the vascular system is concentric and the mesophyll arrangement is dorsiventral.
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A new arylnaphthalene type lignan from Cordia rufescens A. DC. (Boraginaceae)
Sâmia Andrícia Souza da Silva,Augusto Lopes Souto,Maria de Fátima Agra,Emídio V. L. da-Cunha,José Maria Barbosa-Filho,Marcelo Sobral da Silva,Raimundo Braz-Filho +6 more
TL;DR: Arylnaphthalene type lignan named rufescidride, the first containing an unusual anhydride moiety, has been isolated from the stem and branches of Cordia Rufescens as mentioned in this paper.
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