Spatio-Temporal Variations of Volatile Metabolites As an Eco-Physiological Response of a Native Species in the Tropical Forest

Overview

Journal Plants (Basel)

Date 2024 Sep 28

PMID 39339574

Authors

Jessica Sales Felisberto

Daniel B Machado

Jeferson A S Assuncao

Samik A S Massau

George A de Queiroz

Elsie F Guimaraes

Ygor J Ramos

Davyson de Lima Moreira

Affiliations

Soon will be listed here.

Abstract

This study evaluates the essential oil (EO) composition of Kunth, a shrub native to the Brazilian tropical rainforest, across different plant parts and developmental phases. The aim was to explore the chemical diversity of EO and its reflection in the plant's ecological interactions and adaptations. Plant organs (roots, stems, branches, and leaves) at different developmental phases were subjected to hydrodistillation followed by chemical analysis using Gas Chromatography-Mass Spectrometry (GC-MS) and Gas Chromatography-Flame Ionization Detector (GC-FID). The results revealed a relevant variation in EO yield and composition among different plant parts and developmental phases. Leaves showed the highest yield and chemical diversity, with α-pinene and β-pinene as major constituents, while roots and stems were characterized by a predominance of arylpropanoids, particularly apiol. The chemical diversity in leaves increased with plant maturity, indicating a dynamic adaptation to environmental interactions. The study underscores the importance of considering the ontogeny of plant parts in understanding the ecological roles and potential applications of in medicine and agriculture. The findings contribute to the overall knowledge of Piperaceae chemodiversity and ecological adaptations, offering insights into the plant's interaction with its environment and its potential uses based on chemical composition.

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