The ANATOMICAL, PHYSICAL, AND COLORIMETRIC ANALYSIS OF Gordonia fruticosa AND Vochysia ferruginea IN RELATION TO ENVIRONMENTAL CONDITIONS AND SECTION ORIENTATION

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Published: Dec 2, 2025
Keywords:
Colorimetry, density, forest species, technological properties, drying.

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Leif Armando Portal-Cahuana
Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas
https://orcid.org/0000-0002-2717-4348

Abstract

Background: This study evaluates the anatomical, physical, and colorimetric properties of Gordonia fruticosa (huamanchilca) and Vochysia ferruginea (bella María), two tropical timber species from the montane rainforest of Amazonas, Peru. Samples were analyzed according to radial and tangential anatomical planes to examine their influence on wood properties under dry and saturated conditions.
Results: Anatomical analysis revealed diffuse porosity in G. fruticosa and visible porosity with aliform parenchyma in V. ferruginea. Physical tests showed medium basic density values (0.55 and 0.41 g/cm³, respectively) and similar volumetric shrinkage (~10.8%) in both species. Colorimetric results indicated that drying increases lightness and modifies chromatic coordinates. G. fruticosa showed
increased red and yellow saturation after drying, whereas V. ferruginea exhibited a decrease. No significant differences were found between radial and tangential planes in color parameters.
Conclusion: These findings contribute to understanding the interaction between anatomical features and moisture content on wood properties, providing valuable information for optimizing industrial drying processes and supporting sustainable management of these tropical species.

Article Details

Issue
Vol. 31 No. 1 (2025)
Section
Article
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Author Biography

Leif Armando Portal-Cahuana, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas

Doctor in Forest Resources at the Universidad de São Paulo/Escola Superior de Agricultura "Luiz de Queiroz" USP/ESALQ-Brazil (2022). Master in Environmental and Forest Sciences, from the Universidade Federal Rural do Rio de Janeiro - UFRRJ/Brazil (2017). He has a degree in Forestry and Environmental Engineering from the Universidad Nacional Amazónica de Madre de Dios - UNAMAD/Peru (2008). Appointed Professor of the National Amazonian University of Madre de Dios, from January 2011 to 2020. He held the following positions: In charge of the Forest Industry and Control area of the “Technical Forest and Wildlife Administration Tambopata - Manu”, from 2008 to December 2009. In charge of the Xiloteca - UNAMAD, from January 2010 to 2019. Responsible for the Wood Anatomy Laboratory, from 2017 to 2019. Forest Expert in Wood by UNAMAD before the Superior Court of Justice of Madre de Dios. In charge of Monitoring & Evaluation of the Consortium Madre de Dios - ICAA II, from October 2011 to January 2015. Blog Administrator: http://maderasdemadrededios.blogspot.com/. He works mainly on the following topics: Anatomy of Wood, Technological Properties of Wood, Dendrochronology, and identification of tropical woods.