Vis spectroscopy and CIELAB parameters of six wood species of the Fabaceae family marketed in the Brazilian Amazon

IF 1.3 Q2 MATERIALS SCIENCE, PAPER & WOOD International Wood Products Journal Pub Date : 2021-05-20 DOI:10.1080/20426445.2021.1929763

J. Santos, H. Vieira, Tawani Lorena Naide, D. Souza, G. I. Muñiz, P. Soffiatti, S. Nisgoski

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引用次数: 1

Abstract

ABSTRACT The aim of this study was to evaluate the potential of colorimetry to characterize six species (Hymenolobium petraeum, Dipteryx odorata, Ormosia sp., Enterolobium maximum, Hymenaea courbaril e Pseudopiptadenia suaveolens) of the Fabaceae family. Wood samples were collected in extractivist communities in Pará state, Brazil. Colour data were obtained randomly on the three anatomical sections, along with reflectance spectra in the range of 360–740 nm. All analyses were carried out with RStudio. In general, reflectance spectra were similar for all species. However, for the Principal Component Analysis results, P. suaveolens stood out. The colorimetric parameters L*, b* and C*, in radial sections, are more important on colour results of the majority of wood samples. Colorimetry spectroscopy showed potential for characterizing some Fabaceae species. Therefore, the technique can serve as a support tool for better identification of this group, contributing to the reduction of ecological and socio-economic damage.

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巴西亚马逊地区销售的六种豆科木材的可见光谱和CIELAB参数

摘要:本研究旨在评价比色法在豆科植物中6种(彼得雷乌斯膜虫、多翅双翅鸟、红藓属、大肠虫、库尔巴利膜虫和suaveolens Pseudopiptadenia)鉴别中的应用价值。木材样本采集于巴西par州的采掘者社区。在三个解剖切片上随机获得颜色数据，以及360-740 nm范围内的反射光谱。所有分析均使用RStudio进行。总的来说，所有物种的反射光谱是相似的。然而，在主成分分析结果中，suaveolens脱颖而出。在径向截面中，比色参数L*， b*和C*对大多数木材样品的颜色结果更为重要。比色光谱法显示了一些豆科植物的鉴定潜力。因此，该技术可以作为更好地识别这一群体的辅助工具，有助于减少生态和社会经济损害。

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International Wood Products Journal MATERIALS SCIENCE, PAPER & WOOD-

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2.40

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