A novel wood identification method for Pterocarpus santalinus L.f. species based on fluorescence features

IF 1.7 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Journal of Wood Chemistry and Technology Pub Date : 2021-10-28 DOI:10.1080/02773813.2021.1994611

H. Du, Jinzhuan Wang, Bin Liu, Z. Liang, Zhipeng Liu, M. Zhang, Yue Zhao, Jiayan Luo

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引用次数: 3

Abstract

Abstract The precise identification of wood plays a vital role in protecting rare timber species. Among the various wood identification techniques, the fluorescence characteristics of Pterocarpus santalinus L.f. species have rarely been investigated. In this study, the types, number of fluorescent compounds, maximum excitation and emission wavelengths, and effects of solvent and pH were characterized by fluorescence photographs, fluorescence emission spectra and fluorescence contour spectra, respectively. The results indicate that the fluorescence of P. santalinus species is relatively strong, and the fluorescent substances extracted in different solvents exhibit different color photographs under irradiation. The spectrum is also affected by the polarity of the solvent and the pH of the solution. In addition, the method for extracting the fluorescent compounds in P. santalinus samples was optimized. Based on the reported results, a good correlation between the fluorescence characteristics and the wood species was obtained as a potentially new identification method for precious rosewoods at the species level.

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基于荧光特征的紫檀树种木材鉴别新方法

摘要木材的准确鉴定对保护珍稀木材物种具有重要意义。在各种木材鉴定技术中，对桑菖蒲(Pterocarpus santalinus L.f.)树种荧光特性的研究很少。本研究通过荧光照片、荧光发射光谱和荧光轮廓光谱分别表征了荧光化合物的种类、数量、最大激发和发射波长以及溶剂和pH的影响。结果表明，桑塔兰属植物的荧光较强，不同溶剂提取的荧光物质在照射下呈现出不同的彩色照片。光谱也受溶剂极性和溶液pH值的影响。此外，还优化了桑芥样品中荧光化合物的提取方法。结果表明，荧光特征与树种之间具有良好的相关性，可作为一种在种水平上鉴定珍贵红木的新方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Wood Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

3.70

自引率

20.00%

发文量

审稿时长

3 months

期刊介绍： The Journal of Wood Chemistry and Technology (JWCT) is focused on the rapid publication of research advances in the chemistry of bio-based materials and products, including all aspects of wood-based polymers, chemicals, materials, and technology. JWCT provides an international forum for researchers and manufacturers working in wood-based biopolymers and chemicals, synthesis and characterization, as well as the chemistry of biomass conversion and utilization. JWCT primarily publishes original research papers and communications, and occasionally invited review articles and special issues. Special issues must summarize and analyze state-of-the-art developments within the field of biomass chemistry, or be in tribute to the career of a distinguished researcher. If you wish to suggest a special issue for the Journal, please email the Editor-in-Chief a detailed proposal that includes the topic, a list of potential contributors, and a time-line.