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Determination of the Chemical Composition of Eucalyptus spp. for Cellulosic Pulp Production

Forests, 2021-12, Vol.12 (12), p.1649 [Peer Reviewed Journal]

2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1999-4907 ;EISSN: 1999-4907 ;DOI: 10.3390/f12121649

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Title:
Determination of the Chemical Composition of Eucalyptus spp. for Cellulosic Pulp Production
Author: Vieira, Túlio Anselmo Sacramento ; Arriel, Taiana Guimarães ; Zanuncio, Antônio José Vinha ; Carvalho, Amélia Guimarães ; Branco-Vieira, Monique ; Carabineiro, Sónia Alexandra Correia ; Trugilho, Paulo Fernando
Subjects: Acetates ; Acetic acid ; Acids ; Alcohols ; Ashes ; Catechin ; Cellulose ; Chemical composition ; Chromatography ; Cloning ; Ethanol ; Eucalyptus ; Eucalyptus spp ; extractives ; Fatty acids ; Flavonoids ; Glycerol ; Hardwoods ; Lignin ; Monosaccharides ; Phenolic compounds ; Phenols ; Pulp ; Quality assessment ; Raw materials ; Solvents ; Steroid hormones ; summative chemical composition ; Tannic acid ; Test methods ; Triterpenes ; Wood
Is Part Of: Forests, 2021-12, Vol.12 (12), p.1649
Description: The chemical composition of wood is important to assess the quality of this raw material for the industry of cellulosic pulp production. The purpose of this work was to determine the chemical composition of Eucalyptus spp. grown for cellulosic pulp production. Ten Eucalyptus spp. clones with six years of age, located in the municipality of Itamarandiba, Minas Gerais, Brazil, were used. Quantification was obtained for extractives, monosaccharides, uronic acids, acetates, lignin, ash and the phenolic composition of the extracts. In average, clones showed around 2.7% extractives, with a predominance of polar compounds soluble in ethanol and water; 27.7% lignin and 0.3% ash. Glucose was the main sugar detected (64.2%), followed by xylose (19.3%). The main components of the extractives were steroids, fatty acids and aromatic acids, followed by smaller amounts of substituted alkanoic acids, fatty alcohols, glycerol derivatives and triterpenes. The ethanol–water extracts presented total phenol contents ranging from 321.4 to 586.6 mg EAG/g of extract, tannins from 28.1 to 65.1 mg catechin/g of extract and flavonoids from 73.6 to 256.9 mg catechin/g of extract. Clones with a higher holocellulose amount and a lower lignin content showed a higher potential for cellulosic pulp production. These findings are important for the development of high-quality wood based on important traits for the pulp and paper sector.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 1999-4907
EISSN: 1999-4907
DOI: 10.3390/f12121649
Source: AUTh Library subscriptions: ProQuest Central
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Determination of the Chemical Composition of Eucalyptus spp. for Cellulosic Pulp Production

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