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Morphological Characterization of brazil nut Tree (Bertholletia excelsa) Fruit Pericarp

Journal of Renewable Materials 2019年第7期7卷 683-692页

作者： Gustavo P.Petrechen Marcos Arduin JoséD.Ambrósio Materials Science and Engineering Postgraduate Program Federal University of São CarlosSão CarlosBrazil Center of Characterization and Materials Development Federal University of São CarlosSão CarlosBrazil Department of Botany Federal University of São CarlosSão CarlosBrazil Citlab-Science Innovation and Technology LaboratorySorocabaBrazil

This article presents the overall morphological structure of the brazil nut tree(Bertholletia excelsa)fruit pericarp,from macro to nano *** acquired knowledge would be used for the development of new applications,like using the materials as fillers for biocomposites,or as a hierarchical architecture model for *** research was performed using stereo and light microscopy and conventional and force field emission scanning electron *** pericarp presents three layers:the exocarp,a dark gray,brittle and fragile outer layer;the mesocarp,a beige,dry,rigid,impermeable and fibrous intermediate layer;and the endocarp,an inner layer with similar characteristic as the exocarp,but formed next to the ***,the exocarp and the endocarp presented minor regions of sclereids,fibers and vascular cell bundles,inside major regions of parenchyma *** mesocarp presents a structure of fiber cells regions alternating with sclereids and vascular cells regions,arranged in a composite like arrangement,with the fibers cells bundles acting as randomly oriented disperse phases in a sclereid cells *** arrangement was associated with the mesocarp relative superior proprieties,indicating a great material for using as fillers for biocomposites or in biomimetics applications.

关键词： Bertholletia excelsa brazil nut fruit pericarp morphological structure microscopy

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