Optimization of fumed silica and melatonin loadings in polyvinyl alcohol-based films for postharvest preservation of rambutan fruit.

Jingyi Guo, Lipeng Wei, Jialiang Liu, Xiangbin Xu, Weimin Zhang, Zhengke Zhang

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Article in Food chemistry: X, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Jingyi GuoSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Lipeng WeiSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Jialiang LiuSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Xiangbin XuSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Weimin ZhangSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Zhengke ZhangSchool of Food Science and Engineering, Hainan University, Haikou 570228, PR China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To address high hydrophilicity of polyvinyl alcohol (PVA) and agglomeration tendency of fumed silica (FS), melatonin (MT)-functionalized PVA/FS composite films were prepared to enhance their performance and applicability. MT (1-3%) mitigated FS aggregation and promoted interfacial adhesion, forming a denser network. The P/S-M2 (2% MT) film exhibited the best performance among all tested films, showing a 17.4% increase in tensile strength, an 88.1% decrease in water vapor permeability, and reductions of 78.8%, 46.0%, and 32.6% in moisture content, water solubility, and swelling ratio, respectively, compared to the P/S film. The P/S-M2 film also demonstrated enhanced biodegradability (74.7% degradation after 120 days) and antioxidant activity (85.3% ABTS radical scavenging rate). Packaging application of composite films to rambutan fruit delayed the changes of weight loss, chromaticity

Indexed as

Fumed silicaMelatoninPackaging filmPolyvinyl alcoholRambutan

Identifiers

PMID42006651

DOI10.1016/j.fochx.2026.103805

PMCPMC13087741

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LicenceCC BY-NC-ND

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.