Chitosan/polylactic acid composite films incorporated with flaxseed extract: preparation and performance evaluation for fruit and vegetable preservation

为了减少对传统石油基塑料的依赖、降低环境污染并推动资源化利用. 本研究以亚麻籽提取物为活性成分, 采用逐层法制备了具有抑菌活性的壳聚糖/聚乳酸复合膜. 随着亚麻籽提取物含量的增大, 薄膜的耐水性、断裂伸长率和拉伸强度先升高后降低. 在10wt%FE时, 薄膜具有最好的耐水性(WCA值为78.57±4.84°、溶胀度为25.62±0.69%)、机械性能(28.79±1.55 MPa)和紫外线阻隔性能(在200-350 nm下达100%); 在20wt%FE时,ABTS和DPPH自由基清除率最大,达到82.88±0.34%和74.64±0.53%; 所有复合膜对大肠杆菌和金黄色葡萄球菌抑菌率均达到90%以上,且具有良好的生物可降解性. 与市售膜相比, 复合膜在草莓保鲜中可以有效维持草莓的失重、可滴定酸、pH和可溶性固形物含量, 延长保质期. 基于亚麻籽提取物的壳聚糖/聚乳酸可生物降解活性复合膜具有优良的抗氧化和抑菌特性, 在果蔬保鲜领域展现出优异的应用潜力.

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Publication Details

Journal
Scientia Sinica Chimica
Published
2025-04-29
DOI
https://doi.org/10.1360/ssc-2025-0088
Primary Topic
Nanocomposite Films for Food Packaging
Type
article
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article

Chitosan/polylactic acid composite films incorporated with flaxseed extract: preparation and performance evaluation for fruit and vegetable preservation

Jiage Ma, Ziyi Pang, Yu Shu, Cong Li et al.
Scientia Sinica Chimica
Nanocomposite Films for Food Packaging
article

Chitosan/polylactic acid composite films incorporated with flaxseed extract: preparation and performance evaluation for fruit and vegetable preservation

Jiage Ma, Ziyi Pang, Yu Shu, Cong Li, Yehua Shen
article en

Abstract

为了减少对传统石油基塑料的依赖、降低环境污染并推动资源化利用. 本研究以亚麻籽提取物为活性成分, 采用逐层法制备了具有抑菌活性的壳聚糖/聚乳酸复合膜. 随着亚麻籽提取物含量的增大, 薄膜的耐水性、断裂伸长率和拉伸强度先升高后降低. 在10wt%FE时, 薄膜具有最好的耐水性(WCA值为78.57±4.84°、溶胀度为25.62±0.69%)、机械性能(28.79±1.55 MPa)和紫外线阻隔性能(在200-350 nm下达100%); 在20wt%FE时,ABTS和DPPH自由基清除率最大,达到82.88±0.34%和74.64±0.53%; 所有复合膜对大肠杆菌和金黄色葡萄球菌抑菌率均达到90%以上,且具有良好的生物可降解性. 与市售膜相比, 复合膜在草莓保鲜中可以有效维持草莓的失重、可滴定酸、pH和可溶性固形物含量, 延长保质期. 基于亚麻籽提取物的壳聚糖/聚乳酸可生物降解活性复合膜具有优良的抗氧化和抑菌特性, 在果蔬保鲜领域展现出优异的应用潜力.

Scientia Sinica ChimicaVol. 55(5)
Openalex Percentile: Top 95%
Nanocomposite Films for Food Packaging
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Chitosan/polylactic acid composite films incorporated with flaxseed extract: preparation and performance evaluation for fruit and vegetable preservation — Jiage Ma, Ziyi Pang, et al. · Scientia Sinica Chimica (2025) | TGRS Research Map | TGRS