PoplarV1, Main, Exploration, bibRecord, 000A90

Characteristics of the Water- and Alkali-Soluble Hemicelluloses Fractionated by Sequential Acidification and Graded-Ethanol from Sweet Maize Stems.

Identifieur interne : 000A90 ( Main/Exploration ); précédent : 000A89; suivant : 000A91

Characteristics of the Water- and Alkali-Soluble Hemicelluloses Fractionated by Sequential Acidification and Graded-Ethanol from Sweet Maize Stems.

Auteurs : Xiaopeng Peng [République populaire de Chine] ; Shuangxi Nie [République populaire de Chine] ; Xiaoping Li [République populaire de Chine] ; Xiong Huang [République populaire de Chine] ; Quanzi Li [République populaire de Chine]

Source :

Molecules (Basel, Switzerland) [ 1420-3049 ] ; 2019.

RBID : pubmed:30626118

Descripteurs français

English descriptors

KwdEn :
- Alkalies (chemistry), Chemical Fractionation (MeSH), Chemical Precipitation (MeSH), Ethanol (MeSH), Hydrogen-Ion Concentration (MeSH), Magnetic Resonance Spectroscopy (MeSH), Molecular Weight (MeSH), Plant Extracts (chemistry), Polysaccharides (chemistry), Solubility (MeSH), Spectroscopy, Fourier Transform Infrared (MeSH), Water (chemistry), Zea mays (chemistry).
MESH :
- chemical , chemistry : Alkalies, Plant Extracts, Polysaccharides, Water.
- chemistry : Zea mays.
- Chemical Fractionation, Chemical Precipitation, Ethanol, Hydrogen-Ion Concentration, Magnetic Resonance Spectroscopy, Molecular Weight, Solubility, Spectroscopy, Fourier Transform Infrared.

Abstract

Sweet maize stems were treated with hot water and potassium hydroxide to fractionate hemicellulosic polymers. The results showed that the water-soluble hemicelluloses were mainly composed of glucose (27.83%), xylose (27.32%), and galactose (16.81%). In comparison, alkali-soluble hemicelluloses fractionated by acidification and a graded ethanol solution (10%, 20%, 35%, 50%, 65%, and 80%) were mainly composed of xylose (69.73 to 88.62%) and arabinose (5.41 to 16.20%). More highly branched hemicelluloses tended to be precipitated in a higher concentration of ethanol solution, as revealed by the decreasing xylose to arabinose ratio from 16.43 to 4.21. Structural characterizations indicated that alkali-soluble hemicelluloses fractionated from sweet maize stems were mainly arabinoxylans. The results provided fundamental information on hemicelluloses composition and structure and their potential utilization in the fields of biofuels, biochemicals, and biomaterials.

DOI: 10.3390/molecules24010212
PubMed: 30626118
PubMed Central: PMC6337417

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Main, to step Corpus: 000A87
to stream Main, to step Curation: 000A87

Le document en format XML

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<term>Chemical Precipitation (MeSH)</term>
<term>Ethanol (MeSH)</term>
<term>Hydrogen-Ion Concentration (MeSH)</term>
<term>Magnetic Resonance Spectroscopy (MeSH)</term>
<term>Molecular Weight (MeSH)</term>
<term>Plant Extracts (chemistry)</term>
<term>Polysaccharides (chemistry)</term>
<term>Solubility (MeSH)</term>
<term>Spectroscopy, Fourier Transform Infrared (MeSH)</term>
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<term>Zea mays (chemistry)</term>
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<term>Concentration en ions d'hydrogène (MeSH)</term>
<term>Eau (composition chimique)</term>
<term>Extraits de plantes (composition chimique)</term>
<term>Fractionnement chimique (MeSH)</term>
<term>Masse moléculaire (MeSH)</term>
<term>Polyosides (composition chimique)</term>
<term>Précipitation chimique (MeSH)</term>
<term>Solubilité (MeSH)</term>
<term>Spectroscopie infrarouge à transformée de Fourier (MeSH)</term>
<term>Spectroscopie par résonance magnétique (MeSH)</term>
<term>Zea mays (composition chimique)</term>
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<term>Polysaccharides</term>
<term>Water</term>
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<term>Solubilité</term>
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<front><div type="abstract" xml:lang="en">Sweet maize stems were treated with hot water and potassium hydroxide to fractionate hemicellulosic polymers. The results showed that the water-soluble hemicelluloses were mainly composed of glucose (27.83%), xylose (27.32%), and galactose (16.81%). In comparison, alkali-soluble hemicelluloses fractionated by acidification and a graded ethanol solution (10%, 20%, 35%, 50%, 65%, and 80%) were mainly composed of xylose (69.73 to 88.62%) and arabinose (5.41 to 16.20%). More highly branched hemicelluloses tended to be precipitated in a higher concentration of ethanol solution, as revealed by the decreasing xylose to arabinose ratio from 16.43 to 4.21. Structural characterizations indicated that alkali-soluble hemicelluloses fractionated from sweet maize stems were mainly arabinoxylans. The results provided fundamental information on hemicelluloses composition and structure and their potential utilization in the fields of biofuels, biochemicals, and biomaterials.</div>
</front>
</TEI>
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<Month>03</Month>
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<ArticleTitle>Characteristics of the Water- and Alkali-Soluble Hemicelluloses Fractionated by Sequential Acidification and Graded-Ethanol from Sweet Maize Stems.</ArticleTitle>
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<Abstract><AbstractText>Sweet maize stems were treated with hot water and potassium hydroxide to fractionate hemicellulosic polymers. The results showed that the water-soluble hemicelluloses were mainly composed of glucose (27.83%), xylose (27.32%), and galactose (16.81%). In comparison, alkali-soluble hemicelluloses fractionated by acidification and a graded ethanol solution (10%, 20%, 35%, 50%, 65%, and 80%) were mainly composed of xylose (69.73 to 88.62%) and arabinose (5.41 to 16.20%). More highly branched hemicelluloses tended to be precipitated in a higher concentration of ethanol solution, as revealed by the decreasing xylose to arabinose ratio from 16.43 to 4.21. Structural characterizations indicated that alkali-soluble hemicelluloses fractionated from sweet maize stems were mainly arabinoxylans. The results provided fundamental information on hemicelluloses composition and structure and their potential utilization in the fields of biofuels, biochemicals, and biomaterials.</AbstractText>
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<AffiliationInfo><Affiliation>Jiangsu Key Laboratory for Poplar Germplasm Innovation and Variety Improvement, Nanjing Forestry University, Nanjing 210037, China. xpli@njfu.edu.cn.</Affiliation>
</AffiliationInfo>
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<ForeName>Xiong</ForeName>
<Initials>X</Initials>
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<Agency>the Fundamental Research Funds for the Central Non-profit Research Institution of Chinese Academy of Forestry</Agency>
<Country></Country>
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<Grant><GrantID>KF201722</GrantID>
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<Country></Country>
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<Grant><GrantID>2018JSPD002</GrantID>
<Agency>the Open Fund of Jiangsu Key Laboratory for Poplar Germplasm Innovation and Variety Improvement</Agency>
<Country></Country>
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<Grant><GrantID>31700578</GrantID>
<Agency>the National Natural Science Foundation of China</Agency>
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<Keyword MajorTopicYN="N">graded ethanol precipitation</Keyword>
<Keyword MajorTopicYN="N">hemicelluloses</Keyword>
<Keyword MajorTopicYN="N">structural features</Keyword>
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<Month>12</Month>
<Day>24</Day>
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<Month>01</Month>
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Characteristics of the Water- and Alkali-Soluble Hemicelluloses Fractionated by Sequential Acidification and Graded-Ethanol from Sweet Maize Stems.

Characteristics of the Water- and Alkali-Soluble Hemicelluloses Fractionated by Sequential Acidification and Graded-Ethanol from Sweet Maize Stems.

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