Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Antonio Jacinto DEMUNER"'
Autor:
Vanderlúcia Fonseca de PAULA, Luiz Cláudio de Almeida BARBOSA, Dorila PILÓ-VELOSO, Antonio Jacinto DEMUNER, Oliver HOWARTH
Publikováno v:
Eclética Química, Vol 23, Iss 1 (2018)
O estudo químico das cascas de Ochroma lagopus Swartz levou ao isolamento e ou, identificação de uma mistura de ácidos graxos e triacilglicerídeos, de b-sitosterol (1), estigmasterol (2), daucosterol (3), estigmasterol-3-O-b-D-glicosídeo (4) e
Externí odkaz:
https://doaj.org/article/c852e1f6e5034c59bbdb48db5aa6e460
Autor:
Juliana Lanna Passos, Luiz Claudio Almeida Barbosa, Antonio Jacinto Demuner, Elson Santiago Alvarenga, Cleiton Moreira da Silva, Robert Weingart Barreto
Publikováno v:
Molecules, Vol 17, Iss 10, Pp 11447-11455 (2012)
A comparative study of the chemical composition of essential oils of two very similar species of the Verbenaceae family (Lantana camara and L. radula) revealed that the main components of essential oil of L. camara were germacrene-D (19.8%) and E-car
Externí odkaz:
https://doaj.org/article/9d16e0391f3f40a089200e06197da24c
Autor:
Antonio Lelis Pinheiro, Luiz Claudio Almeida Barbosa, Cassia Gonçalves Magalhaes, Celia Regina Alvares Maltha, Cleber Jose da Silva, Antonio Jacinto Demuner
Publikováno v:
Molecules, Vol 16, Iss 2, Pp 1181-1191 (2011)
This study investigates the seasonal variation of three species of Leptospermum (Myrtaceae) grown in Brazil. The chemical composition of the volatile oils of L. flavescens and L. petersonii did not show any significant seasonal variation in the major
Externí odkaz:
https://doaj.org/article/49a118af9f8f4b1ebcc3ca31e85b9bca
Autor:
Amber L. Thompson, Timothy J. Donohoe, Luiz Cláudio Almeida Barbosa, Akshat Rathi, Vania Maria Moreira Valente, Antonio Jacinto Demuner
Publikováno v:
Molecules, Vol 14, Iss 12, Pp 4973-4986 (2009)
Commercial dehydroacetic acid was converted into 4-hydroxy-6-methylpyridin-2(1H)-one (3), which was then condensed with several aliphatic aldehydes to produce seven new title compounds in variable yields (35–92%). Reaction of 3 with α,β-unsaturat
Externí odkaz:
https://doaj.org/article/ee68d87d4e714e7c933274890da614f6
Autor:
Antonio Jacinto Demuner, Luiz Cláudio de Almeida Barbosa, Jeferson Chagas do Nascimento, Jessy James Vieira, Maria Amelia dos Santos
Publikováno v:
Química Nova, Vol 26, Iss 3, Pp 335-339 (2003)
Externí odkaz:
https://doaj.org/article/74e90e824b304bd1bad55462ce438183
Autor:
Luiz Cláudio de Almeida Barbosa, Maria Lúcia Ferreira, Antonio Jacinto Demuner, Antonio Alberto da Silva, Rita de Cássia Pereira
Publikováno v:
Química Nova, Vol 24, Iss 6, Pp 751-755 (2001)
3,5-Dimethoxybenzylic alcohol was converted into the 2-acetoxy-5-methoxy-3-(pent-1-yl)-1,4-benzoquinone (12), in seven steps, with an overall yield of 14.6%. The natural quinone sorgoleone (1) was isolated from Sorghum bicolor and converted into the
Externí odkaz:
https://doaj.org/article/5692e389630a42beb2e9bc3e020b4aea
Autor:
Silvia R.S. Silva, Antonio Jacinto Demuner, Luiz Claudio de Almeida Barbosa, Vicente Wagner Dias Casali, Evandro A. Nascimento, Antonio Lelis Pinheiro
Publikováno v:
Acta Scientiarum: Agronomy, Vol 24 (2008)
O efeito de estresse hídrico sobre o teor, a composição química do óleo essencial e o crescimento de Melaleuca alternifólia Cheel (Myrtaceae) foi estudado. Cada tratamento constituiu-se de um regime hídrico: 1- irrigação em dias alternados c
Externí odkaz:
https://doaj.org/article/a9d1b4d6ce5c4479961600f8002fd05f
Autor:
Paula Tatiana Lopes Seixas, Antonio Jacinto Demuner, Elson Santiago Alvarenga, Luiz Claudio Almeida Barbosa, Ana Marques, Elizeu de Sá Farias, Marcelo Coutinho Picanço
Publikováno v:
Scientia Agricola, Vol 75, Iss 6, Pp 519-525
ABSTRACT: The demand for effective insecticides in pest control with low toxicity to the non-target organisms, such as natural enemies and pollinators, is increasing steadily. A good alternative for synthetic insecticides is natural compounds, includ
Externí odkaz:
https://doaj.org/article/185ac9e7a9ca49c2b8d7c8532db97fa8
Autor:
Daiane Einhardt Blank, Antonio Jacinto Demuner, Vitor Cunha Baía, Elson Santiago Alvarenga, Cristiane Isaac Cerceau, Neusa Fernandes de Moura
Publikováno v:
Peer Review. 5:1-14
3,6-Diidropiridin-2(1H)-ona foi isolado do extrato das sementes de Bunchosia glandulifera e D-mannitol isolado do extrato da polpa. A elucidação estrutural da 3,6-diidropiridin-2(1H)-ona foi realizada empregando os métodos espectrométricos. Cálc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9ca5ed36459b27d2ec6b347ea6082ca
https://doi.org/10.53660/prw.180.23c01
https://doi.org/10.53660/prw.180.23c01
Autor:
Moreira, Maria Eliza de Castro, Natal, Dorina Isabel Gomes, Toledo, Renata Celi Lopes, Ramirez, Natalia Medina, Ribeiro, Sonia Machado Rocha, Benjamin, Laércio dos Anjos, de Oliveira, Leandro Licursi, Rodrigues, Dayana Alves, Antônio, Jacinto Demuner, Veloso, Marcia Paranho, Dos Santos, Marcelo Henrique, Martino, Hercia Stampini Duarte
Publikováno v:
In Journal of Functional Foods February 2017 29:143-153