Marc Gottschling, James S. Miller,
Abstract Auxemma, Patagonula, and Saccellium (Cordiaceae, Boraginales) were all described as distinct from Cordia because of highly specialized fruit ... a key to all species formerly belonging to Auxemma, Patagonula, and Saccellium, and notes on their distributions ...
Tópico(s): Botanical Research and Applications
2006 - American Society of Plant Taxonomists | Systematic Botany

José Galberto Martins da Costa, Otília Deusdênia Loiola Pessoa, Francisco José Queiroz Monte, Eveline A. Menezes, Telma L. G. Lemos, Raimundo Braz‐Filho,
BENZOQUINONES, HYDROQUINONES AND SESQUITERPENES OF Auxemma glazioviana.Two new compounds, 5 and 8, and an epimeric mixture 4a/4b were isolated from hardwood of Auxemma glazioviana.Their structures and relative configurations were determined ...
Tópico(s): Ginger and Zingiberaceae research
2005 - Brazilian Chemical Society | Química Nova

Otília Deusdênia Loiola Pessoa, Telma L. G. Lemos, Edilberto R. Silveira, Braz F Raimundo,
... B, have been Isolated from the wood of Auxemma oncocalyx. Their structures were deduced from spectroscopic data, ... 2D NMR experiments, and chemical transformations. Key Words: Auxemma oncocalyx Boraginaceaecordiachromes oncocalyxones A and B.
Tópico(s): Phytochemical compounds biological activities
1993 - Taylor & Francis | Natural product letters
Joan W. Nowicke, James S. Miller,
The subfam. Cordioideae comprises three genera: Auxemma (2 spp.), Cordia (c. 300 spp.), and Patagonula (2 spp.). Pollen of 47 species was examined in LM and SEM, and a selected group in TEM. Auxemma and Patagonula are 3-colporate and variously rugulose ...
Tópico(s): Plant and Fungal Species Descriptions
1990 - Springer Vienna | Plant systematics and evolution. Supplementum

Johanna Leiva-Revilla, Jesús Cadenas, Luis Alberto Vieira, C.C. Campello, Juliana Jales de Hollanda Celestino, Otília Deusdênia Loiola Pessoa, Gary Apgar, Ana Paula Ribeiro Rodrigues, J.R. Figueiredo, Carolina Maside,
Crude extract of the heartwood of Auxemma oncocalyx (A. oncocalyx) and its main component i.e., Oncocalyxone A (onco A), have elevated antioxidant and anti-tumoral activity, but studies ...
Tópico(s): Reproductive Biology and Fertility
2017 - UNIVERSIDADE ESTADUAL DE LONDRINA | Semina Ciências Agrárias
Marc Gottschling, James S. Miller, Maximilian Weigend, Hartmut H. Hilger,
... Gerascanthus, three species of Cordia sect. Rhabdocalyx, and Auxemma, Patagonula, and Saccellium. Pollen morphology and wood anatomy lend additional support for the close relationship of Auxemma, Patagonula, and Saccellium with Cordia sebestena and its ...
Tópico(s): Botanical Research and Applications
2005 - Missouri Botanical Garden | Annals of the Missouri Botanical Garden

Maria Augusta Drago Ferreira, Osmar Del Rio Holanda Nunes, Juvênia Bezerra Fontenele, Otília Deusdênia Loiola Pessoa, Telma Leda Gomes de Lemos, Glauce S.B. Viana,
... quinone fraction (QF) isolated from the heartwood of Auxemma oncocalyx Taub. The major constituent of QF, which ...
Tópico(s): Pain Mechanisms and Treatments
2004 - Elsevier BV | Phytomedicine

José Galberto Martins da Costa, Otília Deusdênia Loiola Pessoa, Eveline A. Menezes, Gilvandete M. P. Santiago, Telma L. G. Lemos,
Abstract The heartwood of two specimens of Auxemma glazioviana , collected in two localities of the state of Ceará, Brazil, were submitted to hydrodistillation and their essential oils were characterized by GC– ...
Tópico(s): Insect Pest Control Strategies
2004 - Wiley | Flavour and Fragrance Journal

Maria Augusta Drago Ferreira, Osmar Del Rio Holanda Nunes, Luzia Kalyne Almeida Moreira Leal, Otília Deusdênia Loiola Pessoa, Telma L. G. Lemos, Glauce Socorro de Barros Viana,
... the quinone fraction (QF) from the heartwood of Auxemma oncocalyx TAUB. presented antiplatelet and antioxidant activities. In ...
Tópico(s): Phenothiazines and Benzothiazines Synthesis and Activities
2003 - Pharmaceutical Society of Japan | Biological and Pharmaceutical Bulletin

Letı́cia V. Costa-Lotufo, Maria Augusta Drago Ferreira, Telma L. G. Lemos, Otília Deusdênia Loiola Pessoa, G.S.B. Viana, Geanne Matos de Andrade,
Auxemma oncocalyx Taub. belongs to the Boraginaceae family and is native to the Brazilian northeast where it ...
Tópico(s): Echinoderm biology and ecology
2002 - Associação Brasileira de Divulgação Científica | Brazilian Journal of Medical and Biological Research

Walleska B. Marques, Hélcio Silva dos Santos, Otília Deusdênia Loiola Pessoa, Raimundo Braz‐Filho, Telma L. G. Lemos,
... derivatives, auxenone, oncocalyxonol and auxemim, were isolated from Auxemma oncocalyx. The structures of these compounds as 1, ...
Tópico(s): Marine Sponges and Natural Products
2000 - Elsevier BV | Phytochemistry

G Costa, Telma L. G. Lemos, Otília Deusdênia Loiola Pessoa, Francisco José Queiroz Monte, Raimundo Braz‐Filho,
... anthracenedione were isolated from the EtOH extract of Auxemma glazioviana wood. The structures were established using spectroscopic ...
Tópico(s): Biological Stains and Phytochemicals
1999 - American Chemical Society | Journal of Natural Products

Otília Deusdênia Loiola Pessoa,
... 3β-O-d-glucopyranosylsitosterol, have been isolated from Auxemma oncocalyx. Their structures were determined from spectral data, ...
Tópico(s): Marine Sponges and Natural Products
1995 - Elsevier BV | Phytochemistry

de Melo Viana Sayonara, Augusta D. Ferreira Maria, Valera Guerra Priscila, Socorro Barros Viana Glauce, Jania Teixeira Maria,
... quinone fraction (QF) isolated from the heartwood of Auxemma oncocalyx Taub. was investigated in vitro and in ... losing its leishmanicidal activity. Key words: Leishmania braziliensis, Auxemma oncocalyx, quinone, hamster, cutaneous leishmaniasis.
Tópico(s): Phytochemical compounds biological activities
2015 - Academic Journals | Journal of Medicinal Plants Research

Johanna Leiva-Revilla, Laritza Ferreira de Lima, Simone Vieira Castro, C.C. Campello, Valdevane Rocha Araújo, Juliana Jales de Hollanda Celestino, Otília Deusdênia Loiola Pessoa, Edilberto R. Silveira, Ana Paula Ribeiro Rodrigues, J.R. Figueiredo,
<b><i>Background:</i></b><i>Auxemma oncocalyx</i> and its main component oncocalyxone A (onco A) have a high level of antioxidant and antitumor activity, but there are ...
Tópico(s): Bioactive Compounds and Antitumor Agents
2016 - | Complementary Medicine Research

José Galberto Martins da Costa, Ângela M. C. Arriaga, Marcos Carlos de Mattos, Otília Deusdênia Loiola Pessoa, Ronaldo Ferreira do Nascimento, Telma L. G. Lemos,
Chemical constituents obtained from ethanol extract of Auxemma glazioviana, a very common tree of Ceará State-Brazil, were analyzed and quantified by reverse-phase HPLC.To evaluate the quinone content of ...
Tópico(s): Essential Oils and Antimicrobial Activity
2004 - ARKAT USA, Inc. | ARKIVOC

José Galberto Martins da Costa, Hemerson I. F. Magalhães, Telma L. G. Lemos, Otília Deusdênia Loiola Pessoa, Gilvandete M. Pinheiro,
Phytochemical investigation of heartwood of Auxemma glazioviana (Boraginaceae) has led to the isolation of three benzoquinones, one hydroquinone identified as: oncocalyxone A (1), oncocalyxone C (2), glazioviana ... dengue (Aedes aegypti ) with DL50 2.98 ppm.Auxemma glazioviana (Boraginaceae), popularmente conhecida como pau-branco-louro ...
Tópico(s): Phytochemical compounds biological activities
2002 - Springer Science+Business Media | Revista Brasileira de Farmacognosia

Raí Emanuel da Silva, Fábio de Oliveira Silva Ribeiro, Andressa Maria Aguiar de Carvalho, Tatiane Caroline Daboit, José Delano Barreto Marinho Filho, Taynara Simão Matos, Otília Deusdênia Loiola Pessoa, J. R. Leite, Alyne Rodrigues de Araújo, Maria José dos Santos Soares,
... therapeutic options. Oncocalyxone A, a benzoquinone obtained from Auxemma oncocalyx (Allem) Taub has several biological effects; however, ...
Tópico(s): Bioactive Natural Diterpenoids Research
2020 - Elsevier BV | Microbial Pathogenesis

Francisco Xavier, C.T. Tavares, Marcelo Montenegro Rabello, Marcelo Zaldini Hernandes, Beatriz Pinheiro Bezerra, Alejandro P. Ayala, Otília Deusdênia Loiola Pessoa, Rafael Matos Ximenes, Nereide Stela Santos-Magalhães,
... oncocalyxone A (onco A), a quinone isolated from Auxemma oncocalyx tree, could be improved by supramolecular inclusion ...
Tópico(s): Drug Solubulity and Delivery Systems
2018 - Elsevier BV | Journal of Molecular Liquids
... potential botanical larvicides. Only seven plants (Blumea densiflora, Auxemma glazioviana, Callitris glaucophylla, Cinnamomum microphyllum, Cinnamomum mollissimum, Cinnamomum ...
Tópico(s): Insect Utilization and Effects
2015 - Elsevier BV | Industrial Crops and Products

Antônio C.H. Barreto, Vívian Romero Santiago, Rafael Freire, Selma Elaine Mazzetto, Juliano C. Denardin, Giuseppe Mele, Igor Marques Cavalcante, Maria Elenir Nobre Pinho Ribeiro, Nágila Maria Pontes Silva Ricardo, Tamara Gonçalves, Luigi Carbone, Telma Maria Araújo Moura Lemos, Otília Deusdênia Loiola Pessoa, Pierre Basílio Almeida Fechine,
... oncocalyxone A (onco A), which was isolated from Auxemma oncocalyx, an endemic Brazilian plant. It has a ...
Tópico(s): Iron oxide chemistry and applications
2013 - Multidisciplinary Digital Publishing Institute | International Journal of Molecular Sciences

Bhawani Datt Joshi, Anubha Srivastava, Sara B. Honorato, Poonam Tandon, Otília Deusdênia Loiola Pessoa, Pierre Basílio Almeida Fechine, Alejandro P. Ayala,
... isolated from ethanol extract from the heartwood of Auxemma oncocalyx Taub popularly known as "pau branco". Oncocalyxone ...
Tópico(s): Bioactive Compounds and Antitumor Agents
2013 - Elsevier BV | Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy

Jeferson Luíz Dallabona Dombroski, Sidney Carlos Praxedes, Rômulo Magno Oliveira de Freitas, Felipe Moura Pontes,
... reached its lowest Ψw; (II), Caesalpinia pyramidalis and Auxemma oncocalyx had low Ψw at predawn and significant ...
Tópico(s): Environmental and biological studies
2010 - Elsevier BV | South African Journal of Botany

Cláudia Pessoa, Telma L. G. Lemos, Otília Deusdênia Loiola Pessoa, Manoel Odorico de Moraes, Denissa Vasconcellos, Letı́cia V. Costa-Lotufo, A. Leyva,
Oncocalyxone A (1) (rel-8α-hydroxy-5-hydroxymethyl-2-methoxy-8aβ-methyl-7,8,8a,9tetrahydro-1,4-anthracenedione) is a 1,4-anthracenedione that has been shown to be cytotoxic to human tumor cells and to be DNA reactive.Three derivatives of 1 obtained by chlorination (6chloro-oncocalyxone A, 2) and acetylation (11-O-acetyloncocalyxone A, 3; 8,11-Odiacetyloncocalyxone A, 4) were found to be less cytotoxic and less DNA reactive in human leukemia cells.These derivatives were less polar compounds with modifications ...
Tópico(s): Marine Sponges and Natural Products
2004 - ARKAT USA, Inc. | ARKIVOC

C. Pessoa, E. R. Silveira, Telma L. G. Lemos, Lori A Wetmore, Manoel Odorico de Moraes, A. Leyva,
... A and C, both 1,4-anthracenediones from Auxemma oncocalyx (Boraginaceae), showed cytotoxicity with mean IC(50) ...
Tópico(s): Essential Oils and Antimicrobial Activity
2000 - Wiley | Phytotherapy Research
L.H. Hardesty, Thadis W. Box, John C. Malechek,
... hemiargyreus Muell. Arg.) during both years. Pau branco (Auxemma oncocalyx Taub.) production was maximized by cutting late ...
Tópico(s): Agroforestry and silvopastoral systems
1988 - University of Arizona | Journal of Range Management
Robert D. Kirmse, Brien E. Norton,
... coppicing jurema (Mhosa acutistipula Benth.) and pau branco (Auxemma oncocalyx [Fr.Alem.]Taub.).Both methods provided good ...
Tópico(s): Forest ecology and management
1985 - University of Arizona | Journal of Range Management

Felipe Gomes Batista, Rafael Rodolfo de Melo, Dayane Targino de Medeiros, Antônio Giliard Santos Oliveira, Cirilo Berson Alves Freitas, Edjan da Silva, Alexandre Santos Pimenta,
... of logs. The studied species were pau-branco (Auxemma oncocalyx (Fr. All.) Taub.), jurema preta (Mimosa tenuiflora ( ...
Tópico(s): Soil Management and Crop Yield
2020 - UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO | Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences

Natália Kelly Gomes de Carvalho, Débora Odília Duarte Leite, Cícera Janaine Camilo, Carla de Fátima Alves Nonato, Gerson Javier Torres Salazar, Lucas Ribeiro de Melo Costa, José Galberto Martins da Costa,
Auxemma glazioviana Taub. (Boraginaceae), conhecida como “pau branco”, está distribuída nos estados do Ceará e Rio Grande ...
Tópico(s): Phytochemistry and Bioactivity Studies
2020 - Grupo de Pesquisa Metodologias em Ensino e Aprendizagem em Ciências | Research Society and Development

Raí Emanuel da Silva, Fábio de Oliveira Silva Ribeiro, Gisele Santos de Araújo, Bruno Iles, Otília Deusdênia Loiola Pessoa, Alyne Rodrigues de Araújo, Maria José dos Santos Soares,
... the ethanolic extract of the species Cordia oncocalyx (Auxemma oncocalyx Allem). In this review, we aimed to ... were employed in multiple databases: medicinal plants, quinones, Auxemma oncocalyx, Cordia oncocalyx, biological activity. Besides, experimental papers ...
Tópico(s): Essential Oils and Antimicrobial Activity
2021 - Grupo de Pesquisa Metodologias em Ensino e Aprendizagem em Ciências | Research Society and Development