Zobrazeno 1 - 10
of 82
pro vyhledávání: '"MARIA RAQUEL FIGUEIREDO"'
Publikováno v:
Plants, Vol 13, Iss 21, p 3039 (2024)
Athenaea fasciculata belongs to the Solanaceae family and is a promising source of cytotoxic withanolides known as aurelianolides A and B. In the last years, the pharmacological studies of these aurelianolides on different leukemia cell lines have st
Externí odkaz:
https://doaj.org/article/b35f582ad6f24ade8043d90d9ad295d0
Autor:
Selma Ribeiro de Paiva, Shirley da Silva Marques, Maria Raquel Figueiredo, Maria Auxiliadora Coelho Kaplan
Publikováno v:
Floresta e Ambiente, Vol 10, Iss 1, Pp 98-105 (2023)
ABSTRACT Plumbaginales belongs to the superorder Malviflorae and comprises two families, Plumbaginaceae and Limoniaceae. Its representatives are chemically characterized by the presence of naphthoquinones, flavonoids, terpenoids and steroids, many of
Externí odkaz:
https://doaj.org/article/1c9c7de882d94c7d909457186ee21386
Autor:
Selma Ribeiro de Paiva, Alan Patrick Heringer, Maria Raquel Figueiredo, Maria Auxiliadora Coelho Kaplan
Publikováno v:
Floresta e Ambiente, Vol 9, Iss 1, Pp 153-157 (2023)
RESUMO A família Plumbaginaceae é constituída por ervas ou subarbustos perenes de distribuição cosmopolita. O presente estudo visou avaliar o teor de taninos condensados em folhas de duas espécies de Plumbaginaceae: Plumbago auriculata Lam. e P
Externí odkaz:
https://doaj.org/article/3fb9ebd323a640e7bbd99c48b0f5e4bb
Autor:
André Mesquita Marques, Lavinia de Carvalho Brito, Simony Carvalho Mendonça, Brendo Araujo Gomes, Flávia da Cunha Camillo, Gustavo Werneck de Souza e Silva, André Luiz Franco Sampaio, Suzana Guimarães Leitão, Maria Raquel Figueiredo
Publikováno v:
Molecules, Vol 29, Iss 18, p 4357 (2024)
Background: Athenaea fasciculata, a Brazilian native species from the Solanaceae family, is recognized as a promising source of bioactive withanolides, particularly Aurelianolide A and B, which exhibit significant antitumoral activities. Despite its
Externí odkaz:
https://doaj.org/article/e2e0c7a0ab02465f9526ffc4a0f33837
Autor:
Vagner Pereira da Silva, Lavínia de Carvalho Brito, André Mesquita Marques, Flávia da Cunha Camillo, Maria Raquel Figueiredo
Publikováno v:
Current Research in Toxicology, Vol 4, Iss , Pp 100104- (2023)
Carapa guianensis (Andiroba, Meliaceae) is considered a multipurpose tree. In Brazil, Indigenous people have used it as insect repellent and in the treatment of various diseases. Most biological activities and popular uses are attributed to limonoids
Externí odkaz:
https://doaj.org/article/8681459713604f80b0b73c57292afd3c
Autor:
Raiza Brandão Peres, Marcos Meuser Batista, Ana Luíza Rangel Bérenger, Flávia da Cunha Camillo, Maria Raquel Figueiredo, Maria de Nazaré Correia Soeiro
Publikováno v:
Pharmaceutics, Vol 15, Iss 5, p 1535 (2023)
Chagas disease (CD) caused by the protozoan Trypanosoma cruzi affects more than six million people worldwide. Treatment is restricted to benznidazole (Bz) and nifurtimox (Nf) that display low activity in the later chronic stage besides triggering tox
Externí odkaz:
https://doaj.org/article/35368172c9804ca4b8d9ed9c5b14f42b
Autor:
Izabel Christina Nunes de Palmer Paixão, Levino da Costa Meneses, Helena de Souza Pereira, Maria Carolina Anholeti, Maria Raquel Figueiredo, Maria Auxiliadora Coelho Kaplan, Marcelo Guerra Santos, Selma Ribeiro de Paiva
Publikováno v:
DST, Vol 27, Iss 3-4 (2022)
Introduction: The worldwide distribution of herpes simplex virus type 1 (HSV-1) allied to the emergence of resistant strains makes necessary and urgent the search and development of new substances capable of preventing and treating HSV-1 infections.
Externí odkaz:
https://doaj.org/article/4db8b7a9180e48f49b51d8aeb56736b1
Autor:
André M. Marques, Alexandre Siqueira da Rocha Queiroz, Elsie F. Guimarães, Ana Carolina Mafud, Paulo de Sousa Carvalho, Yvonne Primerano Mascarenhas, Thais da Silva Barenco, Pâmella Dourila N. Souza, David William Provance, José Hamilton M. do Nascimento, Cristiano G. Ponte, Maria Auxiliadora C. Kaplan, Davyson de Lima Moreira, Maria Raquel Figueiredo
Publikováno v:
Molecules, Vol 27, Iss 4, p 1151 (2022)
The Piper species are a recognized botanical source of a broad structural diversity of lignans and its derivatives. For the first time, Piper tectoniifolium Kunth is presented as a promising natural source of the bioactive (−)-grandisin. Phytochemi
Externí odkaz:
https://doaj.org/article/36eb7dd8e14c43a193b0503950450adf
Autor:
Maria Carolina Anholeti, Selma R. de Paiva, Maria Raquel Figueiredo, Maria Auxiliadora C. Kaplan
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 87, Iss 1, Pp 289-301 (2015)
Benzophenone derivatives are special metabolites that arouse great scientific interest. The Clusiaceae family is known for producing large amounts of benzophenone derivatives with several isoprene residues on their structures, which are responsible f
Externí odkaz:
https://doaj.org/article/5babc5c35566416287b3c32934a63dad
Autor:
Franciane Auxiliadora Cipriani, Maria Raquel Figueiredo, Geraldo Luiz Gonçalves Soares, Maria Auxiliadora Coelho Kaplan
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2125-2131 (2012)
Our solemn homage to the great Master Otto R. Gottlieb who knew how to teach the mystery of evolutionary relationships between chemistry and its natural sources. The micromolecular chemical study of the family Bignoniaceae shows a profile predominant
Externí odkaz:
https://doaj.org/article/39d6f122e5cc4564b9d11409cf931ab0