{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T06:34:03Z","timestamp":1793082843129,"version":"4.5.0"},"reference-count":39,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T00:00:00Z","timestamp":1790812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["92359202"],"award-info":[{"award-number":["92359202"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["ift.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Food Science"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:label\/>\n                    <jats:p>\n                      Polysaccharide\u2010zinc complexes have been investigated as food\u2010derived antioxidants and mineral carriers, but their performance depends on the degree of metal modification. In this study,\n                      <jats:italic>Dictyophora indusiata<\/jats:italic>\n                      polysaccharide (DP)\u2010zinc preparations (DP\u2010Zn) were produced at different initial Zn\n                      <jats:sup>2+<\/jats:sup>\n                      :DP feed ratios, and inductively coupled plasma optical emission spectrometry (ICP\u2010OES) quantified the zinc content of optimized DP\u2010Zn\u20101 as 1.04% (w\/w). High\u2010performance anion\u2010exchange chromatography with pulsed amperometric detection (HPAEC\u2010PAD) showed that purified DP contained fucose, galactose, glucose, xylose, and glucuronic acid at a molar ratio of 1.00:6.69:1.85:3.52:2.24. In parallel 2,2\u2010diphenyl\u20101\u2010picrylhydrazyl (DPPH) and 2,2\u2032\u2010azinobis(3\u2010ethylbenzothiazoline\u20106\u2010sulfonic acid) (ABTS) comparisons, moderate zinc modification (DP\u2010Zn\u20101) produced the highest radical\u2010scavenging activity, whereas excessive zinc feeding promoted aggregation and reduced activity. Scanning electron microscopy coupled with energy\u2010dispersive X\u2010ray spectroscopy (SEM\u2010EDS) mapping showed Zn distributed across the C\/O\u2010rich matrix of DP\u2010Zn\u20101, while the over\u2010modified precipitate and DP + ZnSO\n                      <jats:sub>4<\/jats:sub>\n                      physical mixture displayed distinct morphology and elemental\u2010distribution patterns. In H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      \u2010treated HFF\u20101 human foreskin fibroblasts, DP\u2010Zn\u20101 significantly improved cell viability relative to the corresponding Zn\n                      <jats:sup>2+<\/jats:sup>\n                      control and reduced intracellular reactive oxygen species (ROS), although concentration\u2010dependent cytotoxicity was observed at higher doses. During simulated digestion, 47.57% of the zinc became filterable by the end of the gastric stage, leaving 52.43% in the unreleased\/non\u2010filterable fraction; filterable zinc reached 49.75% at the end of the intestinal stage. These findings indicate that optimizing zinc modification is necessary to balance radical\u2010scavenging activity, structural accessibility, digestion stability, and safety.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1750-3841.71539","type":"journal-article","created":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T03:25:24Z","timestamp":1791516324000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Effects of Zinc Modification on the Antioxidant Activity and Bioaccessibility of\n                    <i>Dictyophora indusiata<\/i>\n                    Polysaccharide\u2010Zn Complexes"],"prefix":"10.1111","volume":"91","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-1278-8997","authenticated-orcid":false,"given":"Zhixiang","family":"He","sequence":"first","affiliation":[{"name":"School of International Education Beijing University of Chemical Technology  Beijing 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