从哈萨克斯坦国内原材料中提取的结冷胶与商用结冷胶的比较研究

Q3 Materials Science

Macromolecular Symposia Pub Date : 2024-08-16 DOI:10.1002/masy.202400004

Gulnur S. Tatykhanova, Nargiz N. Gizatullina, Gulnar M. Kudaibergenova, Ramza Zh. Berzhanova, Togzhan D. Mukasheva, Sarkyt E. Kudaibergenov

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引用次数: 0

摘要

用 1H NMR 光谱、傅立叶变换红外光谱、GPC、TGA 等方法研究了哈萨克斯坦国内原料制备的结冷胶，并与商用结冷胶的特性进行了比较。通过 Sphingomonas paucimobilis ATCC 31461 对 Zharkent 和 Burunday 玉米淀粉厂（哈萨克斯坦）的葡萄糖果糖浆进行发酵，产生了含有高酰基结冷胶（HAG）的生物质。通过 GPC 测定了 HAG 的平均分子量、Mw、Mn、Mz 和多分散指数（PDI）。用碱性溶液处理 HAG 可得到低酰基结冷胶（LAG）。结果表明，从葡萄糖果糖浆和商用结冷胶生产的 HAG 和 LAG 具有相似的光谱和热特性。

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Comparative Study of Gellan Gum Derived from Domestic Raw Materials of Kazakhstan and Commercial Gellan

Gellan gum prepared from the domestic raw materials of Kazakhstan is studied by methods of ¹H NMR spectroscopy, FTIR, GPC, TGA, and compared with characteristics of commercial gellan gum. Fermentation on glucose-fructose syrup of Zharkent and Burunday corn starch plants (Kazakhstan) by Sphingomonas paucimobilis ATCC 31461 produces a biomass containing a high acyl gellan gum (HAG). The average molecular weights, M_w, M_n, M_z, and polydispersity index (PDI) of HAG are determined by GPC. Low acyl gellan (LAG) is obtained by treatment of HAG with alkaline solution. It is shown that the spectral and thermal characteristics of HAG and LAG produced from the glucose-fructose syrup and commercial gellan gum are similar.

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来源期刊

Macromolecular Symposia Materials Science-Polymers and Plastics

CiteScore

1.50

自引率

0.00%

发文量

226

期刊介绍： Macromolecular Symposia presents state-of-the-art research articles in the field of macromolecular chemistry and physics. All submitted contributions are peer-reviewed to ensure a high quality of published manuscripts. Accepted articles will be typeset and published as a hardcover edition together with online publication at Wiley InterScience, thereby guaranteeing an immediate international dissemination.