Results 41 to 50 of about 272 (148)

Phenylalanine ammonia lyase: new insights from Piperaceae species

Eclética Química, 2022
The enzyme PAL (phenylalanine ammonia lyase) mediates the key entry point to the general phenylpropanoid pathway, which is involved in the lignification process and in the formation of a myriad of secondary compounds in plants that show a variety of ...
Andreia de Araújo Morandim-Giannetti, Lidiane Gaspareto Felippe, Vânia Aparecida de Freitas Formenton Macedo dos Santos, Massuo Jorge Kato, Maysa Furlan   +4 more
doaj   +1 more source

AMIDES ISOLATED FROM THE LEAVES OF Piper tuberculatum Jacq. (Piperaceae) WITH ACETYLCHOLINESTERASE INHIBITION AND LARVICIDAL ACTIVITY AGAINST Aedes aegypti [PDF]

Química Nova
Piper tuberculatum Jacq. is known to be a promising source of amides, which have shown remarkable biological activities. In this study, a phytochemical investigation of the leaves of P.
Brenda R. C. Leocadio, Taynara S. Vale, Felipe M. A. da Silva, João V. C. O. Santos, Sergio M. Nunomura, André C. de Oliveira, Ingrity S. C. Sá, Rosemary A. Roque, Ana Paula A. Castro, Magno P. Muniz, Rita C. S. Nunomura   +10 more
doaj   +1 more source

Piper (Piperaceae) do Parque Estadual da Serra da Tiririca, Niterói / Maricá, RJ, Brasil

Rodriguésia, 2020
Resumo O gênero Piper possui distribuição pantropical, apresentando cerca de 2.000 espécies no mundo. É considerado um dos dez maiores gêneros neotropicais de Magnoliidae, e o maior em Piperaceae.
George Azevedo de Queiroz, Ana Angélica Monteiro de Barros, Elsie Franklin Guimarães   +2 more
doaj   +1 more source

Acaricidal activity of extracts from different structures of Piper tuberculatum against larvae and adults of Rhipicephalus microplus [PDF]

Acta Amazonica, 2018
The strategies to control the cattle tick, Rhipicephalus microplus are based mainly on the use of synthetic pesticides. However, the emergence, establishment, and development of resistance of ticks is rendering the main chemical groups ineffective ...
Andrina Guimarães Silva BRAGA, Krishna Ferri Alencar de SOUZA, Fabio da Silva BARBIERI, Cleberson de Freitas FERNANDES, Rodrigo Barros ROCHA, José Roberto VIEIRA JUNIOR, Clariana Lins LACERDA, Caroline Oliveira CELESTINO, Valdir Alves FACUNDO, Luciana Gatto BRITO   +9 more
doaj   +2 more sources

Avaliação fitoquímica de folhas, talos e inflorescência de Piper tuberculatum e Piper hispidum

Research, Society and Development, 2022
O gênero Piper é amplamente utilizado para as mais diferentes finalidades, logo, o aprofundamento fitoquímico se faz necessário. Este trabalho teve o objetivo de identificar os metabólitos de folhas, talos e inflorescência de Piper tuberculatum e Piper hispidum.
Tamiris Chaves Freire, Simone Carvalho Sangi, Jessica Silva Félix Bastos, Aline Souza da Fonseca, Renata Reis da Silva, José Roberto Vieira Junior, Cléberson de Freitas Fernandes   +6 more
openaire   +1 more source

Forest Structure and the Species Composition of the Parque Estadual Mata Atlântica, Located in Goiás State, Brazil

International Journal of Ecology, Volume 2018, Issue 1, 2018., 2018
The Parque Estadual Mata Atlântica (PEMA), Goiás state, Brazil, is an Atlantic Forest reserve which has not been studied yet. The aims were to investigate plant biodiversity and characterize the flora to support the management plan. We adopt the point‐centered quarter method to inventory the tree‐shrub and lianas with the diameter at breast height more
Ismael Martins Pereira, Jovan Martins Rios, Vagner Santiago do Vale, Vera Lúcia Gomes-Klein, Ademilson Coneglian, Ednaldo Cândido Rocha, L. M. Chu   +6 more
wiley   +1 more source

Screening of plants found in the State of Amazonas, Brazil for activity against Aedes aegypti larvae Triagem de plantas encontradas no Estado do Amazonas para atividade larvicida contra Aedes aegypti

Acta Amazonica, 2004
Ethanol, methanol and water extracts representing mostly native plant species found in the Amazon region were prepared, respectively, by maceration, continuous liquid-solid extraction and infusion, followed by evaporation and freeze-drying.
Adrian Martin Pohlit, Etienne Louis Jacques Quinard, Sergio Massayoshi Nunomura, Wanderli Pedro Tadei, Ari de Freitas Hidalgo, Ana Cristina da Silva Pinto, Elba Vieira Mustafa dos Santos, Sabrina Kelly Reis de Morais, Rita De Cássia Guedes Saraiva, Lin Chau Ming, Alexandre Mascarenhas Alecrim, Alfeu de Barros Ferraz, Andreza Cristiana da Silva Pedroso, Elisangela Vieira Diniz, Ellen Kathryn Finney, Erika de Oliveira Gomes, Hercules Bezerra Dias, Katiuscia dos Santos de Souza, Laura Cristina Pereira de Oliveira, Luciana de Castro Don, Maria Mireide Andrade Queiroz, Marycleuma Campos Henrique, Mirian dos Santos, Orivaldo da Silva Lacerda Júnior, Patrícia de Souza Pinto, Suniá Gomes Silva, Yara Rodrigues Graça   +26 more
doaj   +1 more source

Strongyloidiasis Current Status with Emphasis in Diagnosis and Drug Research

Journal of Parasitology Research, Volume 2017, Issue 1, 2017., 2017
Strongyloidiasis is a parasitic neglected disease caused by the nematode Strongyloides stercoralis affecting 30 to 100 million people worldwide. Complications, strongly associated with alcoholism, organ transplants, and HTLV‐1 virus, often arise due to late diagnosis, frequently leading to patient death.
Tiago Mendes, Karen Minori, Marlene Ueta, Danilo Ciccone Miguel, Silmara Marques Allegretti, D. S. Lindsay   +5 more
wiley   +1 more source

Mechanisms of Action Involved in the In Vivo Gastroprotective Response of Fruits: A Systematic Review

Food Frontiers, Volume 7, Issue 1, January 2026.
ABSTRACT Gastrointestinal diseases remain a significant global health concern, primarily due to the limitations of current pharmacological treatments, which often come with adverse side effects and high recurrence rates. This situation highlights the urgent need for safer and more effective alternatives.
Isabel Sousa Alcântara, Renata Torres Pessoa, Lucas Yure Santos da Silva, Tarcisio Mendes Silva, Isis Oliveira Menezes, Anita Oliveira Brito Pereira Bezerra Martins, Irwin Rose Alencar de Menezes, Almir Gonçalves Wanderley   +7 more
wiley   +1 more source

In Vitro Evaluation of Essential Oils Derived from Piper nigrum (Piperaceae) and Citrus limonum (Rutaceae) against the Tick Rhipicephalus (Boophilus) microplus (Acari: Ixodidae)

Biochemistry Research International, Volume 2017, Issue 1, 2017., 2017
The present research aimed to study the chemical composition and acaricidal activity of Citrus limonum and Piper nigrum essential oils against the cattle tick Rhipicephalus microplus. GC‐MS analysis of C. limonum essential oil showed limonene (50.3%), β‐pinene (14.4%), and γ‐terpinene (11.7%) as the major components; P.
Rafaelle Vinturelle, Camila Mattos, Jéssica Meloni, Jeane Nogueira, Maria Júlia Nunes, Itabajara S. Vaz Jr., Leandro Rocha, Viviane Lione, Helena C. Castro, Evelize Folly das Chagas, Jan A. Miernyk   +10 more
wiley   +1 more source