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纳米塑料对用作食品补充剂的微藻物种功能特性的影响：来自体外和离体消化比较研究的见解

Impact of Nanoplastics on the Functional Profile of Microalgae Species Used as Food Supplements: Insights from Comparative In Vitro and Ex Vivo Digestion Studies.

作者信息

Lanzoni Davide, Passos Marisa Sárria Pereira de, Mehn Dora, Gioria Sabrina, Vicente António A, Giromini Carlotta

机构信息

Department of Veterinary Medicine and Animal Science (DIVAS), Università degli Studi di Milano, Via dell'Università 6, 29600 Lodi, Italy.

European Commission, Joint Research Centre (JRC), 20127 Ispra, Italy.

出版信息

J Agric Food Chem. 2025 Jan 8;73(1):798-810. doi: 10.1021/acs.jafc.4c07368. Epub 2024 Dec 24.

DOI:10.1021/acs.jafc.4c07368
PMID:39719267
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11726606/
Abstract

The widespread use of plastics in the food industry raises concerns about plastic migration and health risks. The degradation of primary polymers like polystyrene (PS) and polyethylene (PE) can generate nanoplastics (NPs), increasing food biohazard. This study assessed the impact of PS, PE, and PS + PE NPs on (CV) and (HP) before and after in vitro and ex vivo digestion, focusing on particle size, polydispersity index, and surface charge. The modulation of total phenolic content (TPC) induced by NP contamination was also evaluated. Results demonstrated that NP behavior varied with the microalgae medium and persisted postdigestion, posing health risks. Significant size increases were noted for PS + PE in the CV and HP. TPC increased significantly with NP exposure, especially PS + PE. These findings underline the need for regulatory measures to ensure food safety in cases of plastic contamination and to address the behavior and toxicity of NPs.

摘要

塑料在食品工业中的广泛使用引发了对塑料迁移和健康风险的担忧。聚苯乙烯（PS）和聚乙烯（PE）等原生聚合物的降解会产生纳米塑料（NP），增加食品生物危害。本研究评估了PS、PE和PS + PE纳米塑料在体外和离体消化前后对小球藻（CV）和螺旋藻（HP）的影响，重点关注粒径、多分散指数和表面电荷。还评估了纳米塑料污染引起的总酚含量（TPC）的变化。结果表明，纳米塑料的行为因微藻培养基而异，且消化后依然存在，带来健康风险。CV和HP中的PS + PE粒径显著增大。TPC随纳米塑料暴露显著增加，尤其是PS + PE。这些发现强调了在塑料污染情况下需要采取监管措施以确保食品安全，并应对纳米塑料的行为和毒性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec73/11726606/5b9fca89b5d7/jf4c07368_0008.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec73/11726606/34b42847170c/jf4c07368_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec73/11726606/e5cd7a365a46/jf4c07368_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ec73/11726606/5b9fca89b5d7/jf4c07368_0008.jpg

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