2-羟丙基-β-环糊精/香茅油乳剂聚乙烯醇-淀粉控释活性膜的制备及大黄鱼保鲜用研究

IF 0.7 4区 农林科学 Q4 FOOD SCIENCE & TECHNOLOGY international food research journal Pub Date : 2023-08-30 DOI:10.47836/ifrj.30.4.08
Jiaxi Wang, Xinyi Fan, Zhijie Chen, Chenwei Chen, Jing Xie
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引用次数: 0

摘要

以香茅油(LMO)或2-羟丙基-β-环糊精为原料,制备了聚乙烯醇-淀粉(PVA/ST)活性膜和LMO (HP-β-CD/LMO)乳液。研究了LMO或HP-β-CD/LMO乳剂对大黄鱼保鲜膜性能的影响及其在大黄鱼保鲜膜中的应用。HP-β-CD/LMO乳液的平均粒径为150.07 nm,包封率为81.32%。扫描电镜(SEM)结果表明,HP-β-CD改善了PVA与淀粉的相容性,LMO在HP-β-CD中包埋良好。LMO或HP-β-CD/LMO的掺入提高了膜的水蒸气阻隔性能和柔韧性,但降低了膜的机械强度。LMO的加入削弱了膜的阻氧性能,HP-β-CD/LMO的加入增强了膜的阻氧性能。由于HP-β-CD/LMO的释放特性,掺入HP-β-CD/LMO的膜的抗氧化和抗菌活性略弱于含LMO的膜。HP-β-CD的存在延缓了LMO从薄膜向食品模拟剂(10%乙醇)的释放。保存结果表明,含有LMO或HP-β-CD/LMO的膜有效地抑制了微生物的生长和鱼类的脂质氧化;延缓了大黄鱼蛋白质的分解和新鲜度的降低。此外,添加HP-β-CD/LMO的膜对鱼品质的保护效果最好。换句话说,具有适当的活性剂释放特性的薄膜有助于水产品的保存。
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Fabrication of polyvinyl alcohol-starch controlled release active film incorporated with 2-hydroxypropyl-β-cyclodextrin/lemongrass oil emulsion for large yellow croaker (Pseudosciaena crocea) preservation
Polyvinyl alcohol-starch (PVA/ST) active films incorporated with lemongrass oil (LMO) or 2-hydroxypropyl-β-cyclodextrin, and LMO (HP-β-CD/LMO) emulsion were developed in the present work. The effects of LMO or HP-β-CD/LMO emulsion on the properties of films, and their application in large yellow croaker preservation were investigated. The average particle size and the encapsulation efficiency of the HP-β-CD/LMO emulsion were 150.07 nm and 81.32%, respectively. The scanning electron microscopy (SEM) results revealed that HP-β-CD improved the compatibility between PVA and starch, and LMO was well embedded in HP-β-CD. The incorporation of LMO or HP-β-CD/LMO enhanced the water vapour barrier property and flexibility of the film while weakening its mechanical strength. The oxygen barrier property of the film was weakened by the incorporation of LMO and strengthened by HP-β-CD/LMO. The film incorporated with HP-β-CD/LMO exhibited a little weaker antioxidant and antibacterial activities than the film containing LMO owing to their release property. The existence of HP-β-CD postponed the release of LMO from the film into food simulant (10% ethanol). The preservation results demonstrated that the film containing LMO or HP-β-CD/LMO efficiently inhibited the growth of microorganisms and lipid oxidation of fish; and delayed the decomposition of protein and freshness reduction of large yellow croaker. Additionally, the film added with HP-β-CD/LMO exhibited the best protection for fish quality. In other words, the film with the proper release property of active agents contributed to the preservation of aquatic products.
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来源期刊
international food research journal
international food research journal Agricultural and Biological Sciences-Food Science
CiteScore
1.40
自引率
0.00%
发文量
75
期刊介绍: The International Food Research Journal (IFRJ) publishes papers in English, six (6) issues a year with the coverage of: Food Science and Technology Nutrition and Dietetics Agriculture, multidisciplinary Chemistry, multidisciplinary The scope of the Journal includes: Food Science, Food Technology and Food Biotechnology Product Development and Sensory Evaluation Food Habits, Nutrition, and Health Food Safety and Quality Food Chemistry, Food Microbiology, Food Analysis and Testing Food Engineering Food Packaging Food Waste Management Food Entrepreneur Food Regulatory Post-Harvest Food Management Food Supply Chain Management Halal Food and Management
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