Results 51 to 60 of about 11,915 (246)

Chemical composition of the essential oils from two subspecies of Protium heptaphyllum Composição química do óleo essencial de duas subespécies do Protium heptaphyllum

open access: yesActa Amazonica, 2010
Qualitative and quantitative analyses of the volatile constituents from resin of Protium heptaphyllum (Aubl.) Marchand subsp. ulei (Swat) Daly (PHU), and Protium heptaphyllum (Aubl.) Marchand subsp. heptaphyllum (PHH), Burseraceae were performed using GC-
Delcio Dias Marques   +5 more
doaj   +1 more source

FAMILIA BURSERACEAE

open access: yesFlora del Bajío y de Regiones Adyacentes, 1992
Familia de unos 20 géneros y más de 600 especies, distribuidas en las regiones calientes del mundo, con mayor diversidad en América tropical, en el norte y en el sur de África y en Malasia. Desde el punto de vista económico algunas burseráceas son importantes por las resinas y los aceites esenciales que producen (“copal”), que se usan para aromatizar ...
Jerzy Rzedowski   +1 more
openaire   +1 more source

Influence of tree height and age on leaf drip‐tip morphology in lowland tropical rainforest trees

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3766-3777, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Across biomes, plant form and function are driven largely by variation in climate, particularly the availability of light and water. Strong gradients of these resources also exist within plant communities.
Emma C. Grover   +3 more
wiley   +1 more source

Constituintes químicos do caule de Protium hebetatuml (Burseraceae) Chemical constituents from the stem of Protium hebetatuml (Burseraceae)

open access: yesActa Amazonica, 2012
Protium é um gênero que se destaca na família Burceraceae, compreende cerca de 146 espécies, das quais um pequeno número tem sido estudada do ponto de vista fitoquímico.
Túlio de Orleans Gadelha Costa   +4 more
doaj   +1 more source

ESTUDO DOS CONSTITUINTES QUÍMICOS DAS CASCAS DA MADEIRA DE Trattinnickia peruviana [PDF]

open access: yesActa Amazonica, 1994
O estudo fitoquímico de T. peruvianaSwart ex Loes levou ao isolamento das substâncias liquenxantona, α e β-amirinas, β-sitosterol, estigmasterol e campesierol, cuja identificação química foi feita através da análise de seus dados espectrais.
Maria de Fátima dos Santos MARQUES   +1 more
doaj   +1 more source

Multidimensional resource partitioning by Serengeti herbivores

open access: yesEcological Monographs, Volume 95, Issue 4, November 2025.
Abstract The enchanting diversity of large mammalian herbivores in African savannas has long challenged ecologists: How can so many species of large, generalist plant eaters coexist? Variation in body size and craniofacial/dental anatomy are key morphological determinants of ecological niche differentiation, shaping foraging behavior in ways that ...
Emilian S. Kihwele   +7 more
wiley   +1 more source

Wound Healing Activity of the Essential Oil of Bursera morelensis, in Mice

open access: yesMolecules, 2020
Bursera morelensis is used in Mexican folk medicine to treat wounds on the skin. It is an endemic tree known as “aceitillo”, and the antibacterial and antifungal activity of its essential oil has been verified; it also acts as an anti-inflammatory.
Judith Salas-Oropeza   +6 more
doaj   +1 more source

The Pollen Morphology of Burseraceae [PDF]

open access: yesGrana, 1977
The pollen morphology of 10 genera and 32 species of Indo-Malayan Burseraceae is described and five pollen types distinguished by their shape, size, aperture and exine.
Krishna Mitra, M. Mondal, Sandhya Saha
openaire   +1 more source

Phytochemical Profiling and Antioxidant Potential of Bongardia chrysogonum Seed Essential Oil as a Natural Antioxidant: Microencapsulation With Sodium Caseinate and β‐Cyclodextrin Inclusion Complex

open access: yesFood Science &Nutrition, Volume 13, Issue 11, November 2025.
First‐time chemical profiling of Bongardia chrysogonum seed essential oil (BCEO). BCEO exhibited oxidative stability comparable to synthetic antioxidants. Encapsulated BCEO shows promise as a natural food preservative. ABSTRACT This study explored the phytochemical composition and antioxidant capacity of Bongardia chrysogonum seed essential oil (BCEO),
Mohamad Mehdi Nematshahi   +2 more
wiley   +1 more source

Pharmaceutical literature in the medieval oriental world: the Arab recovery of the Medicines' Book in the Syriac language [PDF]

open access: yes, 2019
En este trabajo identificamos los paralelos literarios y el tipo de traducción realizada de ciertos medicamentos de El Libro de las medicinas en una selección de textos médicos-farmacéuticos árabes medievales, cuya apropiación fue fundamental para el ...
Asade, Daniel Julio   +1 more
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