Physicochemical characterization of hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem

Hong Peng; Na Wang; Zhengrong Hu; Ziping Yu; Yuhuan Liu; Jinsheng Zhang; Roger Ruan

doi:10.1016/j.indcrop.2011.11.031

Physicochemical characterization of hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem

Hong Peng, Na Wang, Zhengrong Hu, Ziping Yu, Yuhuan Liu, Jinsheng Zhang, Roger Ruan

Bioproducts and Biosystems Engineering

Research output: Contribution to journal › Article › peer-review

103 Scopus citations

Abstract

In this paper, hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem aged six months were sequentially extracted with hot water, 2% KOH, and 5% NaOH. The water-soluble hemicelluloses H ₁, and four alkali-soluble hemicellulosic fractions H ₂, H ₃, H ₄ and H ₅ were obtained, achieving a total yield of 59.60% based on the original hemicelluloses. Sugar composition analysis showed that the hemicelluloses were mainly composed of xylose (44.39-72.71%), arabinose (26.36-51.87%), ribose (0.93-2.72%), and uronic acid (0.29-5.27%). The structures of the hemicelluloses were determined to be mainly arabinoxylan, using the FT-IR and NMR techniques. The AFM images of fraction H ₃ revealed a distribution of spherical nanoparticles with different sizes, while the fraction H ₂ had helix rod and random coil feature. The SEM characterizations indicated that the fraction H ₁ displayed spherical particles while the fraction H ₃ had mainly flat particles at high magnification. Thermal stability was also analyzed using TG-DTG method and first-order kinetics model.

Original language	English (US)
Pages (from-to)	41-50
Number of pages	10
Journal	Industrial Crops and Products
Volume	37
Issue number	1
DOIs	https://doi.org/10.1016/j.indcrop.2011.11.031
State	Published - May 2012

Bibliographical note

Funding Information:
The authors are grateful for financial support of the Natural Science Foundation of China ( 30960304 ), of the Natural Science Foundation from Ministry of Education of Jiangxi Province of China ( GJJ10045 ), of the International Science and Technology Cooperation Programme of China ( 2010DFB63750 ) and the International Science and Technology Cooperation Programme of Jiangxi Provincial Department of Science and Technology ( 2010EHB03200 ).

Keywords

Bamboo stem
Hemicelluloses
Morphological properties
Structure

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10.1016/j.indcrop.2011.11.031

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title = "Physicochemical characterization of hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem",

abstract = "In this paper, hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem aged six months were sequentially extracted with hot water, 2\% KOH, and 5\% NaOH. The water-soluble hemicelluloses H 1, and four alkali-soluble hemicellulosic fractions H 2, H 3, H 4 and H 5 were obtained, achieving a total yield of 59.60\% based on the original hemicelluloses. Sugar composition analysis showed that the hemicelluloses were mainly composed of xylose (44.39-72.71\%), arabinose (26.36-51.87\%), ribose (0.93-2.72\%), and uronic acid (0.29-5.27\%). The structures of the hemicelluloses were determined to be mainly arabinoxylan, using the FT-IR and NMR techniques. The AFM images of fraction H 3 revealed a distribution of spherical nanoparticles with different sizes, while the fraction H 2 had helix rod and random coil feature. The SEM characterizations indicated that the fraction H 1 displayed spherical particles while the fraction H 3 had mainly flat particles at high magnification. Thermal stability was also analyzed using TG-DTG method and first-order kinetics model.",

keywords = "Bamboo stem, Hemicelluloses, Morphological properties, Structure",

author = "Hong Peng and Na Wang and Zhengrong Hu and Ziping Yu and Yuhuan Liu and Jinsheng Zhang and Roger Ruan",

note = "Funding Information: The authors are grateful for financial support of the Natural Science Foundation of China ( 30960304 ), of the Natural Science Foundation from Ministry of Education of Jiangxi Province of China ( GJJ10045 ), of the International Science and Technology Cooperation Programme of China ( 2010DFB63750 ) and the International Science and Technology Cooperation Programme of Jiangxi Provincial Department of Science and Technology ( 2010EHB03200 ).",

year = "2012",

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doi = "10.1016/j.indcrop.2011.11.031",

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AU - Peng, Hong

AU - Wang, Na

AU - Hu, Zhengrong

AU - Yu, Ziping

AU - Liu, Yuhuan

AU - Zhang, Jinsheng

AU - Ruan, Roger

N1 - Funding Information: The authors are grateful for financial support of the Natural Science Foundation of China ( 30960304 ), of the Natural Science Foundation from Ministry of Education of Jiangxi Province of China ( GJJ10045 ), of the International Science and Technology Cooperation Programme of China ( 2010DFB63750 ) and the International Science and Technology Cooperation Programme of Jiangxi Provincial Department of Science and Technology ( 2010EHB03200 ).

PY - 2012/5

Y1 - 2012/5

N2 - In this paper, hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem aged six months were sequentially extracted with hot water, 2% KOH, and 5% NaOH. The water-soluble hemicelluloses H 1, and four alkali-soluble hemicellulosic fractions H 2, H 3, H 4 and H 5 were obtained, achieving a total yield of 59.60% based on the original hemicelluloses. Sugar composition analysis showed that the hemicelluloses were mainly composed of xylose (44.39-72.71%), arabinose (26.36-51.87%), ribose (0.93-2.72%), and uronic acid (0.29-5.27%). The structures of the hemicelluloses were determined to be mainly arabinoxylan, using the FT-IR and NMR techniques. The AFM images of fraction H 3 revealed a distribution of spherical nanoparticles with different sizes, while the fraction H 2 had helix rod and random coil feature. The SEM characterizations indicated that the fraction H 1 displayed spherical particles while the fraction H 3 had mainly flat particles at high magnification. Thermal stability was also analyzed using TG-DTG method and first-order kinetics model.

AB - In this paper, hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem aged six months were sequentially extracted with hot water, 2% KOH, and 5% NaOH. The water-soluble hemicelluloses H 1, and four alkali-soluble hemicellulosic fractions H 2, H 3, H 4 and H 5 were obtained, achieving a total yield of 59.60% based on the original hemicelluloses. Sugar composition analysis showed that the hemicelluloses were mainly composed of xylose (44.39-72.71%), arabinose (26.36-51.87%), ribose (0.93-2.72%), and uronic acid (0.29-5.27%). The structures of the hemicelluloses were determined to be mainly arabinoxylan, using the FT-IR and NMR techniques. The AFM images of fraction H 3 revealed a distribution of spherical nanoparticles with different sizes, while the fraction H 2 had helix rod and random coil feature. The SEM characterizations indicated that the fraction H 1 displayed spherical particles while the fraction H 3 had mainly flat particles at high magnification. Thermal stability was also analyzed using TG-DTG method and first-order kinetics model.

KW - Bamboo stem

KW - Hemicelluloses

KW - Morphological properties

KW - Structure

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Physicochemical characterization of hemicelluloses from bamboo (Phyllostachys pubescens Mazel) stem

Abstract

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