Results 61 to 70 of about 750 (180)

A multidisciplinary approach to the study of the fluminense vegetation

open access: yesAnais da Academia Brasileira de Ciências, 2002
The fluminense vegetation, more specifically the flora from the Jurubatiba restinga has been investigated by a multidisciplinary team of botanists, chemist, radiobiologist, insect physiologists and geneticist.
ALPHONSE KELECOM   +8 more
doaj   +1 more source

Stemflow Dynamics in the Jamari National Forest (Brazilian Amazon): II. Solute Concentrations and Flux Dynamics

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
Trees can redirect large volumes of rainwater to the base of their stems. This stemflow not only redistributes water but also channels canopy‐derived solutes to the forest floor. Building on research showing canopy geometry and bark properties govern stemflow volumes, we examined how those same traits modulate the biogeochemical side of this flux. Over
Jeferson Alberto de Lima   +5 more
wiley   +1 more source

Xanthones from Vismia latifolia

open access: yesJournal of the Brazilian Chemical Society, 2000
A new xanthone,1,4,8-trihydroxyxanthone (1,4,8-trihydroxy-9H-xanthen-9-one), was isolated from the roots of Vismia latifolia (Guttiferae). Four other known xanthones were isolated: 1,5-dihydroxy-8-methoxyxanthone, 1,7-dihydroxyxanthone, 1,6-dihydroxy-7 ...
Santos Marcelo H. dos   +3 more
doaj  

COMUNICACIONES CORTAS TERPENOS ISLADOS DE LOS FRUTOS DE CLUSIA ssp.

open access: yesRevista Colombiana de Química, 2010
Se aislaron triterpenos de los frutos de tres especies de Clusia (familia Guttiferae). En C.multlflora y C. grandiflora se encontraron eufenol, epímero en C-20 del tirucallol, y 3 ceto eufano antes no reportados para este género.
Jaime González   +3 more
doaj  

BIFLAVONOID COMPOUND FROM THE STEM BARK OF GAMBOGE (Garcinia xanthochymus)

open access: yesIndonesian Journal of Chemistry, 2011
Garcinia xanthochymus (Guttiferae) commonly known as gamboge, is a perennial medicinal plant native to the north of Thailand and Myanmar. Gamboge is used in watercolors, as a yellow fabric dye and traditional medicine for treating diarrhea and dysentery,
Muharni Muharni   +2 more
doaj   +1 more source

On two Species of Guttiferae. [PDF]

open access: yesJournal of the Linnean Society of London, Botany
n ...
openaire   +2 more sources

O gênero Clusia (Guttiferae) para a floricultura

open access: yesOrnamental Horticulture, 1997
Apenas algumas espécies da família Guttiferae (= Clusiaceae), com cerca de 35 gêneros e mais de 1.000 espécies em todo o mundo, são usadas no Brasil na florifruticultura.
Volker Bittrich
doaj   +2 more sources

Thirteen New Xanthone Derivatives from Calophyllum caledonicum (Clusiaceae)

open access: yesMolecules, 2002
An EtOAc extract of the stem bark of Calophyllum caledonicum (Clusiaceae) yielded thirteen new hydroxylated and/or prenylated xanthone derivatives, namely 5-hydroxy-8-methoxyxanthone (1), 3,5-dihydroxy-1,2-dimethoxyxanthone (2), 1,8-dihydroxy-6,7 ...
Pascal Richomme   +6 more
doaj   +1 more source

Parâmetros fitossociológicos de um cerrado no Parque Nacional Da Serra Do Cipó, MG Phytosociological parameters of a cerrado in "Serra Do Cipó" national park, Minas Gerais, Brazil

open access: yesRevista Árvore, 2002
A riqueza de espécies e os fatores determinantes da ocorrência da vegetação de cerrado há muito têm despertado o interesse de pesquisadores. Muitos cerrados protegidos em unidades de conservação ainda não foram investigados florística e estruturalmente ...
João Augusto Alves Meira Neto   +1 more
doaj   +1 more source

Antinociceptive activity of Hypericum caprifoliatum and Hypericum polyanthemum (Guttiferae)

open access: yesBrazilian Journal of Medical and Biological Research, 2003
The aim of the present study was to assess the analgesic activity of the aerial parts of two Hypericum species native to Southern Brazil, H. caprifoliatum and H. polyanthemum. The antinociceptive effect of the H.
A.F. Viana   +3 more
doaj   +1 more source

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