Replacement of polyethylene oxide by peach gum to produce an active film using Litsea cubeba essential oil and its application in beef

IF 7.7 1区 化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Amer Ali Mahdi , Qais Ali Al-Maqtari , Waleed Al-Ansi , Wei Hu , Sulafa B.H. Hashim , Haiying Cui , Lin Lin
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引用次数: 1

Abstract

This study evaluated the effects of adding various concentrations (0 %, 1 %, 2 %, and 3 %) of peach gum (PG) to films made from polyethylene oxide (PEO) combined with Litsea cubeba essential oil (LCEO) to be utilized as active packaging for food in the future. The findings showed that the film containing PG 2 % concentration had the best physic-mechanical properties. In films made with PG, the glass transition temperature was significantly improved. Combining PG and PEO resulted in films that were brighter in color, had lower WVP values, and had the lowest water activity. Furthermore, XRD demonstrated that PG additions were compatible with the film of PEO blended with LCEO. The PG films formulated with PG presented high antioxidant and antibacterial activity against Staphylococcus aureus and E. coli. Wrapping beef with P2G2 film led to maintaining its quality with suitable levels of pH, TBARS, and TVB-N. This also decreased the number of E. coli and S. aureus in beef throughout the storage period. The results indicate that adding PG to PEO films enhances their suitability for food preservation.

桃胶替代聚乙烯氧化物制备山楂精油活性膜及其在牛肉中的应用
本研究考察了不同浓度(0%、1%、2%、3%)的桃胶(PG)对聚氧乙烯(PEO)与山苍子精油(LCEO)复合制成的薄膜用作食品活性包装的影响。结果表明,PG浓度为2%的膜具有最佳的物理力学性能。在用PG制成的薄膜中,玻璃化转变温度显著提高。PG和PEO混合后的膜颜色更亮,WVP值更低,水活度最低。此外,XRD分析表明PG添加物与LCEO掺杂的PEO膜相容。用PG配制的PG膜对金黄色葡萄球菌和大肠杆菌具有较高的抗氧化和抗菌活性。用P2G2薄膜包裹牛肉,可以在适当的pH、TBARS和TVB-N水平下保持牛肉的质量。这也减少了牛肉中大肠杆菌和金黄色葡萄球菌的数量。结果表明,在PEO薄膜中添加PG可提高其食品保鲜性能。
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来源期刊
International Journal of Biological Macromolecules
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.
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