Results 51 to 60 of about 722 (177)

Mapping the density of giant trees in the Amazon

open access: yesNew Phytologist, Volume 249, Issue 1, Page 152-168, January 2026.
Summary Tall trees (height ≥ 60 m) are keystone elements of tropical forests, strongly influencing biodiversity, carbon storage, and ecosystem resilience. Yet, their density and spatial distribution remain poorly quantified, especially in remote Amazonian regions, limiting our understanding of their ecological roles and contribution to forest–climate ...
Robson Borges de Lima   +20 more
wiley   +1 more source

Quality of Brazil nuts stored in forced aeration silos

open access: yesRevista Ceres, 2016
The traditional system of collection and storage of Brazil nut compromises seriously the quality of these almonds as it contributes to the high incidence of contaminants, like fungi of the genus Aspergillus, which can produce aflatoxins.
David Aquino da Costa   +5 more
doaj   +1 more source

Callus induction in Bertholletia excelsa immature seeds

open access: yesJournal of Biotechnology and Biodiversity, 2013
Bertholletia excelsa H.B.K.,known as Brazil nuttree, belongs to the Lecythidaceae botanic family and is endemic to the AmazonianRegion. Its nuts have high economic and nutritional value. The objective of this work was to establish efficient protocols for callus induction from immature seeds of B.excelsa, as a preliminary step to its further ...
dos Santos, Maurício Reginaldo Alves   +5 more
openaire   +3 more sources

First record of the indian meal moth, Plodia interpunctella (Hubner 1813) (Lepidoptera: Pyralidae) for Brazil nut

open access: yesBioscience Journal, 2015
Este é o primeiro registro no Brasil da infestação da traça-das-farinhas, Plodia interpunctella (Hubner 1813), em castanha-do-brasil. Plodia interpunctella é um microlepidóptero pertencente à família Pyralidae, cosmopolita e considerado importante ...
Flávia Batista Gomes   +2 more
doaj   +3 more sources

Physiological response and performance of tambaqui fed with diets supplemented with Amazonian nut Respostas fisiológicas e desempenho do tambaqui alimentado com dietas suplementadas com castanha da Amazônia

open access: yesCiência Rural, 2010
The present study evaluated the effectiveness of Amazonian nut (Bertholletia excelsa) as an alternative source of vegetal protein in tambaqui (Colossoma macropomum) diet. Performance and physiological status of fish fed for 60 days were evaluated.
Marcio Quara de Carvalho Santos   +5 more
doaj   +1 more source

Efficient Extraction of Phenolic Compounds From Cariniana rubra Gardener Ex Miers From the Legal Amazon: Ultrasound‐Assisted Optimization, Chemical Characterization, and Antioxidant Potential

open access: yesChemistry &Biodiversity, Volume 22, Issue 11, November 2025.
ABSTRACT Cariniana rubra, native to the Brazilian Cerrado and the Amazon‐Cerrado ecotone, is traditionally used in folk medicine but remains underexplored. This study optimized extraction yield and bioactive compound content using ultrasound‐assisted extraction (UAE) and Soxhlet extraction.
Aline Biggi Maciel   +5 more
wiley   +1 more source

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance

open access: yesFood Science &Nutrition, Volume 13, Issue 11, November 2025.
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Maria Beatriz A. Gloria   +6 more
wiley   +1 more source

REPEATABILITY OF FRUITS AND SEEDS PRODUCTION AND SELECTION OF BRAZIL NUT GENOTYPES IN NATIVE POPULATIONS IN RORAIMA1

open access: yesRevista Árvore, 2015
This study estimates the repeatability coefficients of two production traits in two native populations of Brazil nut trees. It determines the number of years of suitable evaluations for an efficient selection process, determines the permanent phenotypic ...
Cássia Ângela Pedrozo   +3 more
doaj   +1 more source

Paranuss (Bertholletia excelsa, Lecythidaceae) – ein Affentopfgewächs

open access: yesDer Palmengarten, 2014
Der Paranussbaum (Bertholletia excelsa) ist ein großer Baum aus dem amazonischen Regenwald. Er erreicht eine Höhe von 60 m. Seine Frucht ist fest und hart. Diese enthält mehrere essbare Samen, die sogenannten Paranüsse. Größere Nagetiere wie Agutis sind in der Lage, diese Früchte aufzubeißen. Paranussöl wird in der Kosmetikindustrie verwendet. Biologie,
Dörken, Veit Martin, Steinecke, Hilke
openaire   +2 more sources

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