ArticleFood chemistry. Molecular sciences2025
Biaxially oriented polyethylene film preserves nutritional quality and extends the shelf life of postharvest peaches.
Article in Food chemistry. Molecular sciences, 2025. 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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Abstract
Biaxially oriented polyethylene (BOPE) is a high-strength, lightweight polyethylene material with superior barrier properties. In this study, peaches were packaged using either polyethylene (PE) or BOPE film. The peaches packaged in BOPE film maintained better firmness, color retention, antioxidant content, and nutritional quality than control peaches and those packaged in PE film. Transcriptome sequencing revealed 1041 differentially expressed genes in BOPE-packaged fruit compared with that in the control, and these were enriched in the pyruvate metabolism, flavonoid biosynthesis, and glutathione metabolism pathways. Physiological analyses demonstrated that BOPE packaging reduced malondialdehyde accumulation and increased peroxidase and phenylalanine ammonia-lyase activity, potentially limiting membrane peroxidation and senescence. BOPE-packaged fruit also retained higher levels of soluble sugars, reducing sugars, free amino acids, and proline, which are critical for fruit flavor and stress adaptation. Together, these results underscore the potential of BOPE as a novel packaging material for the preservation of fruits and vegetables.
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