{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T00:01:23Z","timestamp":1779148883447,"version":"3.51.4"},"reference-count":54,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2022,12,1]],"date-time":"2022-12-01T00:00:00Z","timestamp":1669852800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Polymers"],"abstract":"<jats:p>One of the key factors of supporting the rapidly expanding seafood product industry in terms of quality control is the utilization of active packaging materials. Microorganisms are primarily responsible for the perishability and rapid disintegration of seafood. The incorporation of an inorganic compound, such as silica-based diatomaceous earth (DE), and a metal oxide, such as zinc oxide (ZnO), is proposed to develop active packaging materials with excellent antibacterial activity, minimized fishy odor, and brittleness at subzero temperatures. The mechanical, morphological, and physicochemical properties of these materials were investigated. The results show that the addition of DE\/ZnO improved the antibacterial activity of high-density polyethylene (HDPE) samples by up to approximately 95% against both gram-positive and -negative bacteria. Additionally, it enhanced the Izod strength and stability at subzero temperatures of the samples. The odor evaporation test revealed that trimethylamine can be minimized in proportion to increasing DE\/ZnO composite concentration. As a result, the development of active packaging materials from DE\/ZnO composites is an emerging polymeric packaging technology for seafood products, wherein packaging and seafood quality are linked.<\/jats:p>","DOI":"10.3390\/polym14235228","type":"journal-article","created":{"date-parts":[[2022,12,1]],"date-time":"2022-12-01T02:24:46Z","timestamp":1669861486000},"page":"5228","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Active Packaging Material Based on Immobilized Diatomaceous Earth\/Zinc Oxide\/High-Density Polyethylene Composite for Sea Food and Products"],"prefix":"10.3390","volume":"14","author":[{"given":"Korakot","family":"Charoensri","sequence":"first","affiliation":[{"name":"Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang J.","family":"Shin","sequence":"additional","affiliation":[{"name":"Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kyu C.","family":"Kim","sequence":"additional","affiliation":[{"name":"Negopack Co., Ltd., 197 Muha-ro, Pantan-myeon, Hwasung-si 18536, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyun J.","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Laorenza, Y., Chonhenchob, V., Bumbudsanpharoke, N., Jittanit, W., Sae-Tan, S., Rachtanapun, C., Chanput, W.P., Charoensiddhi, S., Srisa, A., and Promhuad, K. 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