Impact of Drying on Meso- and Nanoscale Structures of Citrus Fiber: A Study by SFG, ATR-IR, XRD, and DLS

Impact of Drying on Meso- and Nanoscale Structures of Citrus Fiber: A Study by SFG, ATR-IR, XRD, and DLS
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干燥对柑橘纤维介观和纳米结构的影响:通过 SFG、ATR-IR、XRD 和 DLS 进行的研究

DOI:
10.1021/acs.iecr.9b06194
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发表时间:
2020
影响因子:
4.2
通讯作者:
Kim, Seong H.
Kim, Seong H.
中科院分区:
工程技术3区
文献类型:
--
作者:
Makarem, Mohamadamin;Kim, Hyojung;Emami, Parinaz;Melendez, Jesus;Steinbach, Adam;Lipkie, Tristan;Deleris, Isabelle;Desmet, Christina;Wallecan, Jöel;Kim, Seong H.

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柑橘纤维是从柑橘皮中提取果胶的副产品。这种侧流可以通过剪切诱导的均化过程转化为功能成分。这种材料的一个技术挑战是,与原始产品相比,脱水和随后的再水化导致粘度降低。在这项研究中,比较了不同的干燥方法和从未干燥的纤维,以研究导致粘度损失的结构变化。红外和X射线衍射分析证实,柑橘纤维的化学成分和晶体结构没有变化。柑橘纤维悬浮液的动态光散射和和频分析表明,复水过程不能充分分散聚集态纤维,这可能是造成粘度损失的主要原因。
Citrus fibers are a sidestream of the pectin extraction process from citrus peel. This sidestream can be converted into a functional ingredient through a shear-induced homogenization process. One technical challenge with this material is that dehydration and subsequent rehydration result in reduction of viscosity compared to the original product. In this study, various drying methods were compared with never-dried fibers to investigate the structural changes underlying the viscosity loss. Infrared and X-ray diffraction analyses confirmed no changes in chemical composition and crystalline structure of citrus fibers. The dynamic light scattering and sum frequency generation analyses of citrus fiber suspension showed that the rehydration process could not fully disperse aggregated fibers, which appears to be the main cause for the viscosity loss.
聚合物共混物结晶度的测定
DOI: --
发表时间: 1997
期刊: Other Conferences
影响因子: --
作者:
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