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羧甲基纤维素增强淀粉膜与变质饮料的快速检测

Carboxymethylcellulose reinforced starch films and rapid detection of spoiled beverages.

作者信息

Qin Shijiao, Sun Hao, Wan Xiaoli, Wu Yujia, Lin Xu, Kan Huan, Hou Defa, Zheng Zhifeng, He Xiahong, Liu Can

机构信息

National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forestry Resources, Southwest Forestry University, Kunming, China.

Lincang Academy of Forestry Sciences, Lincang, China.

出版信息

Front Bioeng Biotechnol. 2023 Jan 6;10:1099118. doi: 10.3389/fbioe.2022.1099118. eCollection 2022.

DOI:10.3389/fbioe.2022.1099118
PMID:36686261
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9852863/
Abstract

The integrity of the packaging of a liquid foodstuff makes it difficult to detect spoilage. Therefore, it is important to develop a sensitive, fast and real-time material for liquid food detection. CMC, as lignocellulose derivatives and starch are widely used in the food industry. In this study, starch films with pH-responsive properties are successfully prepared from full-component starch and corn amylopectin (CA) by adding CMC. The effects of CMC on the mechanical properties, morphology characteristics, physical and chemical structures, stability and pH responsiveness of the starch films are analyzed. The starch/CMC-1.0 g composite films display good electrical conductivity and reduce the resistance of the composite film by two orders of magnitude. The composite films have pH response ability; in the simulation of orange juice spoilage experiment, the CA/CMC composite film has a more sensitive current response and was more suitable for the application to liquid food quality detection. Additionally, the starch/CMC composite films have potential applications for rapid detection and real-time monitoring of the safety of liquid food.

摘要

液体食品包装的完整性使得难以检测其变质情况。因此，开发一种用于液体食品检测的灵敏、快速且实时的材料非常重要。羧甲基纤维素（CMC）作为木质纤维素衍生物和淀粉在食品工业中被广泛使用。在本研究中，通过添加CMC，由全成分淀粉和玉米支链淀粉（CA）成功制备了具有pH响应特性的淀粉膜。分析了CMC对淀粉膜的机械性能、形态特征、物理和化学结构、稳定性及pH响应性的影响。淀粉/CMC-1.0 g复合膜表现出良好的导电性，使复合膜的电阻降低了两个数量级。复合膜具有pH响应能力；在模拟橙汁变质实验中，CA/CMC复合膜具有更灵敏的电流响应，更适合应用于液体食品质量检测。此外，淀粉/CMC复合膜在液体食品安全性的快速检测和实时监测方面具有潜在应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6cdf86c97540/fbioe-10-1099118-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/960380a928fe/fbioe-10-1099118-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/5824442c2b15/fbioe-10-1099118-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6cc1a378eb88/fbioe-10-1099118-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/60b11be899a1/fbioe-10-1099118-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/d362191a621e/fbioe-10-1099118-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/d33733755f7d/fbioe-10-1099118-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/2453ae62ea76/fbioe-10-1099118-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6a25d09b445b/fbioe-10-1099118-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/3dff9b2fcd51/fbioe-10-1099118-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6cdf86c97540/fbioe-10-1099118-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/960380a928fe/fbioe-10-1099118-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/5824442c2b15/fbioe-10-1099118-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6cc1a378eb88/fbioe-10-1099118-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/60b11be899a1/fbioe-10-1099118-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/d362191a621e/fbioe-10-1099118-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/d33733755f7d/fbioe-10-1099118-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/2453ae62ea76/fbioe-10-1099118-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6a25d09b445b/fbioe-10-1099118-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/3dff9b2fcd51/fbioe-10-1099118-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ddec/9852863/6cdf86c97540/fbioe-10-1099118-g010.jpg

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