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Antibacterial of ε-poly-L-lysine/Polyvinyl Alcohol Composite Film and its Preservation Effect on Fresh Duck Meat [ε-聚赖氨酸/聚乙烯醇复合膜的抑菌活性及其对生鲜鸭肉的保鲜作用]

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成果类型:
期刊论文
作者:
杨萍萍;郭思琪;侯温甫;胥伟;王宏勋
通讯作者:
Wang, H.-X.
作者机构:
[杨萍萍; 郭思琪] College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
Fresh Food Engineering and Technology Research Center of Hubei Province, Wuhan, 430023, China
School of Biological and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
[侯温甫; 胥伟] College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China<&wdkj&>Fresh Food Engineering and Technology Research Center of Hubei Province, Wuhan, 430023, China
[王宏勋] Fresh Food Engineering and Technology Research Center of Hubei Province, Wuhan, 430023, China<&wdkj&>School of Biological and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
通讯机构:
Fresh Food Engineering and Technology Research Center of Hubei Province, Wuhan, China
语种:
中文
关键词:
ε-聚赖氨酸;聚乙烯醇;复合膜;抑菌圈;生鲜鸭肉
关键词(英文):
Antibacterial;Composite film;Polyethylene alcohol;Raw duck meat;Ε-poly-L-lysine
期刊:
现代食品科技
ISSN:
1673-9078
年:
2020
卷:
36
期:
3
页码:
113-119 and 98
基金类别:
2017ABA136:湖北省技术创新专项重大项目 T201809:湖北省高等学校优秀中青年科技创新团队项目
机构署名:
本校为第一机构
院系归属:
食品科学与工程学院
生命科学与技术学院
摘要:
本研究将ε-聚赖氨酸(ε-poly-L-lysin,ε-PL)内化于聚乙烯醇膜,获得ε-PL/聚乙烯醇复合膜,通过对其力学、抑菌圈、液体生长曲线及对包裹生鲜鸭肉后品质等实验,分析复合膜抑菌及维持生鲜鸭肉品质特性.结果 表明:ε-PL浓度低于4%,50℃烘干5h时,复合膜成型良好;3% ε-PL的复合膜断裂拉伸应变率和拉伸强度效果最佳;固体平板条件下,复合膜对肠球菌、大肠杆菌、枯草芽孢杆菌和金黄色葡萄球菌均有抑制作用,最大抑菌圈直径分别达到26.78 mm、26.48 mm、32.93 mm和27.83 rmm;液体体系中,20h后可完全抑制这四株菌株生长,抑菌效果随抑菌剂浓度增加而显著提升(p<0.05);10℃贮藏时,与空白组相比,4%ε-PL...
摘要(英文):
In this work, ε-poly-L-lysine (ε-PL) was internalized in a polyvinyl alcohol film to obtain an ε-PL/polyvinyl alcohol composite film. Its mechanics, inhibition zone, the liquid growth curve and the quality of the packaged fresh duck meat were detected to analyze the antibacterial effect of the composite film and preservation effect of fresh duck meat. The results showed that, when the ε-PL concentration is lower than 4%, the composite film is well formed by dryingat 50℃ for 5 h. The tensile strain rate and tensile strength of the composite...

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