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乳清蛋白与来自不同部位的多糖之间的抗氧化活性及相互作用。

Antioxidant activity and interactions between whey protein and polysaccharides from different parts of .

作者信息

Liu Xiaocui, Tian Jin, Zhou Zhiran, Pan Yinzhen, Li Zhongqiao

机构信息

College of Food and Bioengineering, Xihua University, Chengdu, China.

出版信息

Front Nutr. 2023 Jan 25;10:1020328. doi: 10.3389/fnut.2023.1020328. eCollection 2023.

DOI:10.3389/fnut.2023.1020328
PMID:36761222
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9905250/
Abstract

polysaccharides (PSY) are known to exhibit a variety of beneficial activities, but these are currently not specifically utilized in food. Hence, using the two edible parts of , a herbaceous plant native to Southeast Asia, this study developed polysaccharides of a stem (HCPS)-whey protein concentrate (WPC) complex and a leaf (HCPL)-WPC complex, and studied their stability, structure and antioxidant activity. The results showed that stability differed in complexes with different proportions, exhibiting only relative stability in the two complexes in which the ratio of HCPS-WPC and HCPL-WPC was 1:4, but increased stability in the HCPL-WPC complex (ζ-potential of HCPL-WPC: | -21.87 mv| >ζ-potential of HCPS-WPC: | -21.70 mv|). Structural characterization showed that there was electrostatic interaction between HCPS and WPC and between HCPL and WPC. The HCPL-WPC was found to have better antioxidant activity. The findings of this study, thus, provide a reference for the development of polysaccharide applications in food.

摘要

已知多糖（PSY）具有多种有益活性，但目前尚未在食品中得到具体应用。因此，本研究利用一种原产于东南亚的草本植物的两个可食用部分，制备了茎部多糖（HCPS）-乳清蛋白浓缩物（WPC）复合物和叶片多糖（HCPL）-WPC复合物，并研究了它们的稳定性、结构和抗氧化活性。结果表明，不同比例复合物的稳定性存在差异，在HCPS-WPC和HCPL-WPC比例为1:4的两种复合物中仅表现出相对稳定性，但HCPL-WPC复合物的稳定性有所增加（HCPL-WPC的ζ电位：|-21.87 mv|>HCPS-WPC的ζ电位：|-21.70 mv|）。结构表征表明，HCPS与WPC之间以及HCPL与WPC之间存在静电相互作用。发现HCPL-WPC具有更好的抗氧化活性。因此，本研究结果为多糖在食品中的应用开发提供了参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/94574267d987/fnut-10-1020328-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/685d7abd597b/fnut-10-1020328-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/67e13c05975a/fnut-10-1020328-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/b978840032f3/fnut-10-1020328-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/c6b02614dd8b/fnut-10-1020328-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/e158497a7a73/fnut-10-1020328-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/0668fd5c5833/fnut-10-1020328-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/94574267d987/fnut-10-1020328-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/685d7abd597b/fnut-10-1020328-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/67e13c05975a/fnut-10-1020328-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/b978840032f3/fnut-10-1020328-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/c6b02614dd8b/fnut-10-1020328-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/e158497a7a73/fnut-10-1020328-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/0668fd5c5833/fnut-10-1020328-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d763/9905250/94574267d987/fnut-10-1020328-g007.jpg

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