Pectins from Canna edulis Ker residue and their physicochemical characterization
Pectins from Canna edulis Ker residue and their physicochemical characterization
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DOI：
10.1016/j.carbpol.2010.07.043
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发表时间：
2011
影响因子：
11.2
通讯作者：
Juan Zhang;Zhengwu Wang;Wenli Yu;Jinhong Wu
中科院分区：
文献类型：
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作者：
Juan Zhang;Zhengwu Wang;Wenli Yu;Jinhong Wu
从淀粉提取后的副产物美人蕉残渣中依次提取水溶性果胶（WSP）、螯合可溶性果胶（CSP）和酸溶性果胶（ASP），并研究其理化性质。通过制备柱色谱进一步分离 ASP，从而分离出两个组分：ASPI 和 ASPII，并通过 GC、GC-MS 和 NMR 分析其化学特征。此外，还监测了它们在模拟胃液和肠液中的行为。结果表明，香菇残渣中含有大量来源于以鼠李糖半乳糖醛酸为主链的杂多糖的ASP。此外，三种果胶表现出凝胶形成和溶解行为。这很好地表明，美味佳肴残渣可作为功能材料的果胶的良好来源。
Water-soluble pectin (WSP), chelated-soluble pectin (CSP) and acid-soluble pectin (ASP) were sequentially extracted from Canna edulis Ker residue, a by-product after the extraction of starch, and their physicochemical properties were studied. ASP was further separated through preparative column chromatography, leading to isolation of two fractions, ASPI and ASPII, which chemical features were analyzed by GC, GC–MS and NMR. Moreover, their behaviors in the simulated gastric and intestinal fluid were monitored. The results exhibit that C. edulis residue contains high amount of ASP derived from the heteropolysaccharide with rhamnogalacturonan as main chain. Furthermore, three pectins show gel formation and dissolution behaviors. It well suggests that C. edulis residue can be exploited for a good source of pectin for functional materials.