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However, most available cushioning materials are nonbiodegradable, raising environmental concerns. This study aimed to address these issues by developing a novel and eco\u2010friendly cushioning sodium alginate (SA)\u2010based foam, fabricated through a straightforward process combining mechanical foaming and oven drying, with glycerol serving as a plasticizer. The chemical, morphological, thermal, and mechanical properties of the obtained SA\u2010based cushioning foams (SACs) were thoroughly evaluated. The results demonstrated that the SACs exhibited a soft, flexible structure with low densities (12.83\u2013108.39\u00a0mg\/cm\n                      <jats:sup>3<\/jats:sup>\n                      ) and high porosities (90.43%\u201397.12%), comparable to commercial synthetic foams. Notably, the incorporation of glycerol substantially enhanced the compressive strength and modulus, with the SAC\u20107.5 achieving improvements of 1280.43% and 1262.12%, respectively, compared to the control. The packaging cushion performance was assessed via drop tests on bananas, where SAC\u20107.5 provided effective impact protection and maintained key quality attributes of the bananas, including color parameters, weight loss, firmness, and physiological indicators (respiration rate, total soluble solids [TSS], and pH), over 2\u00a0days of storage at room temperature. Given its sustainable, nontoxic, and cost\u2010effective production, the developed SAC offers a promising alternative for cushioning packaging in the transportation of fresh fruit.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Practical Application<\/jats:title>\n                    <jats:p>This study presents an eco\u2010friendly cushioning foam made from sodium alginate (SA), produced through a simple process involving mechanical foaming and oven drying. The resulting foam has comparable cushioning properties to commercial cushioning plastic, offering a possibility for industrial\u2010scale applications as alternative cushioning packaging for fresh fruit transportation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1750-3841.70140","type":"journal-article","created":{"date-parts":[[2025,3,23]],"date-time":"2025-03-23T00:15:02Z","timestamp":1742688902000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Fabrication of novel sodium alginate\u2010based biofoam and evaluation of its packaging cushion performance on banana fruit"],"prefix":"10.1111","volume":"90","author":[{"given":"Pontree","family":"Itkor","sequence":"first","affiliation":[{"name":"Department of Packaging Yonsei University  Wonju South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ajit 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