Results 21 to 30 of about 297 (159)

Variabilidade química de óleos essenciais de Protium heptaphyllum

open access: yesResearch, Society and Development, 2022
Protium heptaphyllum, conhecida como amescla, amelcegueira e breu-branco, possui ampla distribuição nacional, encontrada especialmente na Amazônia e Mata Atlântica. É uma espécie rica em óleo essencial, porém destaca-se o uso da resina como medicinal. Diante disso, este estudo teve como objetivo levantar a variabilidade química entre óleos essenciais ...
Thiago Soares Rocha   +4 more
openaire   +1 more source

Antimicrobial and Antioxidant Activities of the Essential Oil of Resin of Protium heptaphyllum [PDF]

open access: yesNatural Product Communications, 2006
The essential oil obtained by hydrodistillation from the fresh resin of Protium heptaphyllum was analyzed by GC/MS. The main constituents were: α-pinene (10.5%), α-phellandrene (16.7%), limonene (16.9%), and terpinolene (28.5%). The essential oil was tested in vitro for antimicrobial and antioxidant activities.
P. N. Bandeira   +7 more
openaire   +4 more sources

Soil‐associated drivers of plant traits and functional composition in Atlantic Forest coastal tree communities

open access: yesEcosphere, Volume 12, Issue 7, July 2021., 2021
Abstract The severe deforestation of Brazil’s Atlantic Forest and the increasing effects of climate change underscore the need to understand how tree species respond to climate and edaphic factors. To identify the most important environmental drivers of coastal Atlantic Forest diversity and functional composition, we studied 42 plots of coastal ...
Jehová Lourenço Jr.   +6 more
wiley   +1 more source

Essential Oil from the Resin of Protium heptaphyllum: Chemical Composition, Cytotoxicity, Antimicrobial Activity, and Antimutagenicity.

open access: yesPharmacogn Mag, 2016
Protium heptaphyllum (Aubl.) March is popularly used as an analgesic and anti-inflammatory agent.This study aimed to evaluate the chemical composition of P. heptaphyllum essential oil, its cytotoxicity in a breast cancer cell line (MCF-7), antimicrobial activity, and its antimutagenicity in vivo.The chemical composition of the essential oil collected ...
de Lima EM   +8 more
europepmc   +4 more sources

Protium heptaphyllum Marchand

open access: yes, 2022
[196] Protium heptaphyllum (Aubl.) Marchand Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1873: 55 (Marchand 1873). — Icica heptaphylla Aubl., Hist. Pl. Guiane 1: 337 [Jun.-Dec. 1775] (Aublet 1775). — Amyris ambrosiaca L.f., Suppl. Pl.: 216 [“1781” publ. Apr. 1782] (Linnaeus 1782), nom. illeg. superfl. (based on Icica heptaphylla).
Molino, Jean-François   +10 more
openaire   +2 more sources

New scientific discoveries: Plants and fungi

open access: yesPLANTS, PEOPLE, PLANET, Volume 2, Issue 5, Page 371-388, September 2020., 2020
Research and publication of the planet's remaining plant and fungal species as yet unknown to science is essential if we are to address the United Nations Sustainable Development Goal (SDG) 15 “Life on Land” which includes the protection of terrestrial ecosystems and halting of biodiversity loss.
Martin Cheek   +18 more
wiley   +1 more source

The ghosts of forests past and future: deforestation and botanical sampling in the Brazilian Amazon

open access: yesEcography, Volume 43, Issue 7, Page 979-989, July 2020., 2020
The remarkable biodiversity of the Brazilian Amazon is poorly documented and threatened by deforestation. When undocumented areas become deforested, in addition to losing the fauna and flora, we lose the opportunity to know which unique species had occupied a habitat.
J. Stropp   +5 more
wiley   +1 more source

Estrutura e síndromes de dispersão de espécies arbóreas em um trecho de mata ciliar, Sirinhaém, Pernambuco, Brasil Structure and dispersal syndromes of tree species in a stretch of riparian vegetation, Sirinhaém, Pernambuco State, Brazil

open access: yesPesquisa Florestal Brasileira, 2012
<p>Este trabalho teve por objetivo conhecer a fitossociologia do componente arboreo em uma mata ciliar de um corrego que desagua no Rio Sirinhaem, localizado no Engenho Buranhem, Sirinhaem, PE e identificar as sindromes de dispersao das especies. O
Roseane Karla Soares da Silva   +4 more
doaj   +1 more source

Triterpenes from the Protium heptaphyllum resin – chemical composition and cytotoxicity

open access: yesRevista Brasileira de Farmacognosia, 2014
AbstractProtium heptaphyllum (Aubl) Marchand, Burseraceae, is popularly used as an analgesic and anti-inflammatory agent. However, the cellular mechanism of action remains unknown. This study aims to evaluate the chemical composition of P. heptaphyllum resin and cytotoxicity on a breast cancer cell line (MCF-7).
Lima, Ewelyne M.   +7 more
openaire   +3 more sources

Potencial regenerativo de espécies arbóreas em fragmento de Mata Atlântica, Pernambuco, Brasil

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2017
Objetivou-se caracterizar o estrato regenerante de um fragmento de Floresta Ombrófila Densa das Terras Baixas, mediante avaliações da riqueza, estrutura e diversidade. Para estimar os índices de regeneração natural por espécie para cada classe de tamanho
Rosival Barros de Andrade Lima   +4 more
doaj   +1 more source

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