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Prolonging shelf life of chicken breast fillets by using plasma-improved chitosan/low density polyethylene bilayer film containing summer savory essential oil.
International Journal of Biological Macromolecules ( IF 7.7 ) Pub Date : 2020-03-28 , DOI: 10.1016/j.ijbiomac.2020.03.226
Ehsan Moradi 1 , Motahareh Hashemi Moosavi 1 , Seydeh Marzieh Hosseini 1 , Leila Mirmoghtadaie 1 , Maryam Moslehishad 2 , Mohammad Reza Khani 3 , Narges Jannatyha 4 , Saeedeh Shojaee-Aliabadi 1
Affiliation  

Cold plasma assay was potentially useful persuade surface modification. In this study, antimicrobial properties of chitosan and low density polyethylene bilayer film with method cold plasma incorporated with summer savory essential oil (SEO) (1, 2 and 3%) for extending shelf life of chicken breast fillets was investigated. Moreover, mechanical and physical properties of film were assessed. Result showed that plasma treatment could improvement properties film and increase shelf life processing. After plasma treatment chitosan/polyethylene film containing 3% summer savory essential oil decreased water vapor permeability and oxygen transmission rate chitosan film. Addition of summer savory essential oil to the two-layer film, also improved tensile strength and elongation at break of film. The bilayer film with 3% of essential oil treatment cold plasma was chosen for microbial analysis during storage. All samples plasma-treated, films for this study included polyethylene (PE), bilayer of polyethylene and chitosan (PE/Ch) and Chitosan containing essential oil in direct contact (D) and gas phase (G). Result showed that shelf life of fillets were extended in direct contact and gas phase treatments to 13 days at refrigerator. It was 6 days for polyethylene and 8 days for Chitosan treatments. Essential oil incorporated film also decreased thiobarbitoric acid value of sample during storage. Cold plasma has a high potential in active packaging and food preservation.

中文翻译:

通过使用血浆改良的壳聚糖/低密度聚乙烯双层薄膜(包含夏季咸味精油)来延长鸡胸肉的保存期限。

冷血浆测定可能有助于说服表面改性。在这项研究中,研究了壳聚糖和低密度聚乙烯双层薄膜的抗菌性能,该方法采用冷等离子体结合夏季香精油(SEO)(1、2和3%)来延长鸡胸肉的货架期。此外,评估了膜的机械和物理性能。结果表明,等离子体处理可以改善漆膜性能,延长货架寿命。经过等离子处理后,含有3%夏季香精油的壳聚糖/聚乙烯薄膜降低了水蒸气渗透性和氧气透过率。在两层薄膜中添加夏季香精油,还改善了薄膜的拉伸强度和断裂伸长率。选择具有3%精油处理冷血浆的双层膜进行存储期间的微生物分析。用于本研究的所有经过等离子体处理的样品薄膜均包括聚乙烯(PE),聚乙烯和壳聚糖的双层膜(PE / Ch),以及直接接触(D)和气相(G)的含壳聚糖的精油。结果表明,在冰箱中直接接触和气相处理可使鱼片的货架期延长至13天。聚乙烯为6天,壳聚糖为8天。掺有香精油的薄膜还降低了样品在储存过程中的硫代巴比妥酸值。冷等离子体在主动包装和食品保鲜方面具有很高的潜力。聚乙烯和壳聚糖的双层(PE / Ch),以及直接接触(D)和气相(G)的含壳聚糖的精油。结果表明,在冰箱中直接接触和气相处理可使鱼片的货架期延长至13天。聚乙烯为6天,壳聚糖为8天。掺有香精油的薄膜还降低了样品在储存过程中的硫代巴比妥酸值。冷等离子体在主动包装和食品保鲜方面具有很高的潜力。聚乙烯和壳聚糖的双层(PE / Ch),以及直接接触(D)和气相(G)的含壳聚糖的精油。结果表明,在冰箱中直接接触和气相处理可使鱼片的货架期延长至13天。聚乙烯为6天,壳聚糖为8天。掺有香精油的薄膜还降低了样品在储存过程中的硫代巴比妥酸值。冷等离子体在主动包装和食品保鲜方面具有很高的潜力。
更新日期:2020-03-28
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