Development of antioxidant arabinoxylan-tea polyphenol composite films for enhanced preservation of fresh grapes

IF 7.7 1区化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY

International Journal of Biological Macromolecules Pub Date : 2024-11-01 DOI:10.1016/j.ijbiomac.2024.135867

Rongrong Luo, Zimeng Peng, Na Wu, Li Zhang, Bin Peng, Rong Shao, Wei Xu, Lei Yang

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Abstract

In this study, arabinoxylan (AX) was used as a substrate, and tea polyphenol (TP) as a functional additive to create degradable, non-polluting, and antioxidant packaging materials. The effects of different TP concentrations on light transmittance and antioxidant activity of the AX-TP composite films were analyzed. The colors of the films gradually deepened with increasing TP content. The maximum scavenging rate of 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radicals using the AX-TP composite film solution of 59.13 ± 2.19 % was achieved at the TP concentration of 2.0 %. AX-TP composite films with different TP concentrations were applied to the surfaces of grapes, and the sensory quality, shriveling and decay rates, titratable acid, and weight loss rate of grapes during storage were evaluated using data from different experimental groups. The AX-TP composite films coated on grapes reduced the transpiration of water in the fruit and delayed grape spoilage, demonstrating an excellent preservation effect. These results show that AX-TP composite films increase the shelf life of fresh grapes.

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开发抗氧化阿拉伯木聚糖-茶多酚复合膜，提高新鲜葡萄的保鲜效果。

本研究以阿拉伯木聚糖（AX）为基材，以茶多酚（TP）为功能添加剂，制作可降解、无污染、抗氧化的包装材料。分析了不同浓度的茶多酚对 AX-TP 复合薄膜透光率和抗氧化活性的影响。随着 TP 含量的增加，薄膜的颜色逐渐加深。TP 浓度为 2.0 % 时，AX-TP 复合薄膜溶液对 1,1-二苯基-2-苦基肼（DPPH）自由基的最大清除率为 59.13 ± 2.19 %。将不同 TP 浓度的 AX-TP 复合薄膜涂抹在葡萄表面，利用不同实验组的数据对葡萄在贮藏期间的感官质量、干瘪率和腐烂率、可滴定酸和重量损失率进行了评估。涂在葡萄上的 AX-TP 复合薄膜减少了果实中水分的蒸腾，延缓了葡萄的腐烂，显示出卓越的保鲜效果。这些结果表明，AX-TP 复合薄膜能延长新鲜葡萄的保质期。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Biological Macromolecules 生物-生化与分子生物学

CiteScore

13.70

自引率

9.80%

发文量

2728

审稿时长

64 days

期刊介绍： The International Journal of Biological Macromolecules is a well-established international journal dedicated to research on the chemical and biological aspects of natural macromolecules. Focusing on proteins, macromolecular carbohydrates, glycoproteins, proteoglycans, lignins, biological poly-acids, and nucleic acids, the journal presents the latest findings in molecular structure, properties, biological activities, interactions, modifications, and functional properties. Papers must offer new and novel insights, encompassing related model systems, structural conformational studies, theoretical developments, and analytical techniques. Each paper is required to primarily focus on at least one named biological macromolecule, reflected in the title, abstract, and text.

文献相关原料

公司名称

产品信息

麦克林

sodium hydroxide

阿拉丁

1,1-diphenyl-2-picrylhydrazyl (DPPH)