Results 1 to 10 of about 435 (171)

Identifying Brazilwood’s Marker Component, Urolithin C, in Historical Textiles by Surface-Enhanced Raman Spectroscopy [PDF]

open access: yesHeritage, 2021
The fugitive nature of the colorants obtained from sappanwood (Caesalpinia sappan L.) or the South American species commonly known as ‘brazilwoods’ (including other Caesalpinia species and Paubrasilia echinata (Lam.)) makes the identification of ...
Costanza Miliani   +2 more
exaly   +10 more sources

Leishmanicidal compounds of Nectria pseudotrichia, an endophytic fungus isolated from the plant Caesalpinia echinata (Brazilwood) [PDF]

open access: yesMemorias do Instituto Oswaldo Cruz, 2018
BACKGROUND In a screen of extracts from plants and fungi to detect antileishmanial activity, we found that the ethyl acetate extract of the fungus Nectria pseudotrichia, isolated from the tree Caesalpinia echinata (Brazilwood), is a promising source of ...
Betania Barros Cota   +9 more
doaj   +8 more sources

Microfungi in endemic plants of Brazil: Paubrasilia echinata (Brazilwood) [PDF]

open access: yesActa Botânica Brasílica
Brazilwood is an endemic species of the Brazilian Atlantic Forest and the microfungi associated with it are understudied. We present an extensive checklist of microfungi and report two new species discovered in the state of Bahia: Camposporium ...
Victória Souza Alves   +1 more
doaj   +4 more sources

The representation of Caesalpinia echinata (Brazilwood) in Sixteenth-and-Seventeenth-Century Maps [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2007
Brazilwood was the first product found in Terra de Santa Cruz, and the first explored by Portuguese colonization of Brazil. This study aims at the Occidental Cartography and the historical files represented by Portugal's interest on mapping the marketed ...
Yuri T. Rocha   +2 more
doaj   +5 more sources

Kinetics of solute leachate from imbibing Caesalpinia echinata Lam. (Brazilwood) seeds [PDF]

open access: yesRevista Ceres, 2014
The electrical conductivity of leachates from imbibing seeds has been used as a vigor test for several species. The adaptation of this methodology to different species requires knowledge on the leaching kinetics of electrolytes. For Brazilwood seeds, the
Nestor Martini Neto   +2 more
doaj   +6 more sources

Organic colorants based on lac dye and brazilwood as markers for a chronology and geography of medieval scriptoria: a chemometrics approach [PDF]

open access: yesHeritage Science, 2021
This work presents the first proof of concept for the use of molecular fluorescence signatures in medieval colours based on lac dye and brazilwood lake pigments. These two important medieval dyes were tested as markers using their UV–Visible emission and
Paula Nabais   +5 more
doaj   +4 more sources

Plants and Other Materials Used for Dyeing in the Present Territory of Poland, Belarus and Ukraine according to Rostafiński’s Questionnaire from 1883 [PDF]

open access: yesPlants, 2023
Background: Traditional dyeing methods are practically forgotten in Poland. Józef Rostafiński included questions on the use of dyes in his ethnobotanical survey from 1883. Methods: 126 questionnaires contained information on dye plants.
Piotr Köhler   +2 more
doaj   +2 more sources

A Biodiversity Hotspot Losing Its Biocultural Heritage: The Challenge to Biocultural Conservation of Brazilwood (Paubrasilia echinata)

open access: yesFrontiers in Forests and Global Change, 2022
The biocultural heritage of a region is developed and adapted after centuries of interrelationships between humans and nature. The endangered brazilwood [Paubrasilia echinata (Lam.), E. Gagnon, H.C. Lima, and G.P.
Juan Gomes Bastos   +4 more
doaj   +2 more sources

A Comprehensive Review on Bioactive Compounds Found in Caesalpinia sappan [PDF]

open access: yesMolecules, 2023
Sappan wood (Caesalpinia sappan) is a tropical hardwood tree found in Southeast Asia. Sappan wood contains a water-soluble compound, which imparts a red color named brazilin.
Twinkle Vij   +8 more
doaj   +2 more sources

Role of pH on Nanostructured SERS Active Substrates for Detection of Organic Dyes [PDF]

open access: yesMolecules, 2021
Surface Enhanced Raman Spectroscopy is commonly used as analytical improvement to conventional Raman spectroscopy, able to respond to qualitative diagnostic enquiries, which involve low-concentrated molecular species in complex matrix.
Viviana Mollica Nardo   +3 more
doaj   +2 more sources

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