Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Helena Regina Pinto Lima"'
Autor:
Kathlyn Vasconcelos Gevú, Helena Regina Pinto Lima, Camilla Ribeiro Alexandrino, Maura da Cunha
Publikováno v:
Rodriguésia, Vol 75 (2024)
Abstract Renealmia comprises approximately 85 herbaceous and rhizomatous plants in Africa and America known for their metabolite diversity. This study characterized the anatomy and histochemistry of the vegetative organs of three native Brazilian Ren
Externí odkaz:
https://doaj.org/article/7b0b991198c74a70bb31e3e4246b5411
Publikováno v:
Floresta e Ambiente, Vol 10, Iss 2, Pp 71-77 (2023)
RESUMO produção e variabilidade de metabolitos especiais em plantas podem ser demonstradas sob diferentes condições de luz, temperatura, níveis de nutrição e água. Os monoterpenóides e sesquiterpenóides produzidos por diversos grupos vegeta
Externí odkaz:
https://doaj.org/article/dfd027e5af2144ecb47fbceec8053e08
Publikováno v:
Floresta e Ambiente, Vol 26, Iss 2 (2019)
ABSTRACT Seed coat plays an important role in the embryo protection and seed germination. This study aimed to characterize the anatomical structure, histochemical and physicochemical aspects of the seed coat of Araucaria angustifolia Kuntze. Light an
Externí odkaz:
https://doaj.org/article/b1c5b3089f4a4142b17956726839dfc0
Publikováno v:
Acta Botânica Brasílica, Vol 24, Iss 3, Pp 852-861 (2010)
The Monimiaceae is represented in the Neotropical region by six genera. Macropeplus Perkins is a Brazilian genus comprising four species restricted to high-montane Atlantic Forest areas, which have not been properly examined from the anatomical point
Externí odkaz:
https://doaj.org/article/ce409486bfdc41cbb959ca9a7526918c
Autor:
Claudia Franca Barros, Micheline Leite Marcon-Ferreira, Cátia Henriques Callado, Helena Regina Pinto Lima, Maura da Cunha, Osnir Marquete, Cecília Gonçalves Costa
Publikováno v:
Rodriguésia, Vol 57, Iss 3, Pp 443-460
RESUMO O trabalho propõe a utilização dos caracteres anatômicos da madeira na interpretação da estrutura da comunidade arbórea da Reserva Biológica de Poço das Antas, RJ, Brasil (22º30' e 22º33'S e 42º15' e 42º19'W). Foram analisadas 26
Externí odkaz:
https://doaj.org/article/b29e32f21a854badad6e455f4c37950b
Autor:
Gisely de Lima Oliveira, Helena Regina Pinto Lima, Bruno Couto da Silva, Mário Geraldo de Carvalho, Rosane Nora Castro, Heber dos Santos Abreu, Alexandre Monteiro de Carvalho
Publikováno v:
Ciência Florestal. 32:1323-1344
This paper aimed to characterize the lignin in the cell wall of Euterpe oleracea Mart. Samples from two regions of the base of the palm were acquired: outer and inner regions (OR and IR, respectively). The extraction with organic solvents and the tre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e768f33b30b5e1bf525c6319cbdb256f
https://doi.org/10.5902/1980509863602
https://doi.org/10.5902/1980509863602
Autor:
Rosa M. Varela, Francisco A. Macías, Ascensión Torres, Maura Da Cunha, Rodrigo B.B. Feitoza, José M. G. Molinillo, Helena Regina Pinto Lima, Luiz Fernando Duarte de Moraes
Publikováno v:
Journal of Agricultural and Food Chemistry. 68:4851-4864
Herbicides are a key element in agriculture but they do cause environmental problems and natural alternatives are being sought. In this context, invasive plants could provide an as yet unexplored source for the development of future herbicides. Uroch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::828d4d7e9775688fc8cdb1d8a80dabea
https://doi.org/10.1021/acs.jafc.0c00307
https://doi.org/10.1021/acs.jafc.0c00307
Autor:
Laís Pessanha de Carvalho, Helena Regina Pinto Lima, Ilzenayde de Araújo Neves, Kathlyn Vasconcelos Gevú, Valdirene Moreira Gomes, Maura Da Cunha, Edésio José Tenório de Melo, Mário Geraldo de Carvalho, Érica O. Mello, Gabriel Bonan Taveira
Publikováno v:
Records of Natural Products, Vol 13, Iss 3, Pp 268-280 (2019)
This work aimed to determine the chemical composition of essential oils from rhizomes and leaves of Renealmia chrysotricha Petersen, R. breviscapa Poepp. & Endl. and R. nicolaioides Loes., and to evaluate the biological activities of these oils on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36d1543f779fe36ac382d6b3fbf87ab9
https://doi.org/10.25135/rnp.105.18.08.125
https://doi.org/10.25135/rnp.105.18.08.125
Autor:
Helena Regina Pinto Lima, Rosane Nora Castro, Maura da Cunha, Kathlyn Vasconcelos Gevú, Mário Geraldo de Carvalho, Ilna Gomes da Silva, Juliana Paes Leme de Mello Sousa
Publikováno v:
Revista Virtual de Química. 11:1625-1634
A histolocalizacao das substâncias fenolicas foi feita por tecnicas usuais em Anatomia Vegetal. A determinacao do teor de fenois totais e do teor de flavonoides foram realizadas por metodos espectrofotometricos. A atividade antioxidante foi avaliada
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::917f5317dc9b4c306e3bd4c8cafafa0e
https://doi.org/10.21577/1984-6835.20190114
https://doi.org/10.21577/1984-6835.20190114