The Application of NMR Techniques to the Study of Polysaccharides from Pulp and Latex of Sorva

Alessandra M.R.Nascimento; Maria Ines Bruno Tavares

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The Application of NMR Techniques to the Study of Polysaccharides from Pulp and Latex of Sorva

机译：核磁共振技术在Sorva浆粕和乳胶多糖研究中的应用

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The determination of the chemical components in the pulp and latex of unripe sorva fruit (Couma utilis) is very important to control the changes during ripening and storage life of polysaccharides from sorva fruit.According to this,the pulp and latex components have been investigated by nuclear magnetic resonance (NMR),using 13C solution and solid state and proton relaxation times,because this spectroscopy is non-destructive and it is very valuable for the study of complex mixtures.The pulp components were studied by 13C solution NMR through the extraction products,employing solvents with different polarities.The entire fruit was dehydrated in an oven with circulating air at 80°C and analyzed by 1H and 13C solid-state NMR techniques.The Latex was soluble in chloroform and the 13C solution NMR spectra was recorded,in order to characterize the major chemical components of this mixture.

机译：测定未成熟的Sorva果实（Couma utilis）的果肉和乳胶中的化学成分对于控制来自Sorva果实的多糖的成熟和贮藏过程中的变化非常重要。核磁共振（NMR），使用13C溶液以及固态和质子弛豫时间，因为这种光谱是无损的，对于研究复杂的混合物非常有价值。纸浆成分通过13C溶液NMR通过萃取产物进行研究整个水果在80°C的循环空气烘箱中脱水，并通过1H和13C固态NMR技术进行分析。乳胶可溶于氯仿，并记录13C溶液的NMR光谱，为了表征这种混合物的主要化学成分。

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《International Journal of Polymeric Materials》 |2007年第3期|共11页
作者
Alessandra M.R.Nascimento; Maria Ines Bruno Tavares;
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正文语种 eng
中图分类高分子化合物产品;
关键词
characterization; NMR; polysaccharides;

机译：表征;核磁共振;多糖;

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The Application of NMR Techniques to the Study of Polysaccharides from Pulp and Latex of Sorva

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