{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T20:25:18Z","timestamp":1791923118090,"version":"4.3.4"},"reference-count":61,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T00:00:00Z","timestamp":1774483200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:p>\n                    In this study, we extracted hemicellulose from two date fruit cultivars (soft Barhi and hard Neghal) and investigated their structural, physicochemical, and thermal properties. Alkali solubilized more hemicellulose (45%\u201347.5%) than DMSO (6%\u20137%); however, DMSO preserved the feruloyl ester linkages. The monosaccharides constituent of hemicellulose includes xylose (33.1\u201370.6%), glucose (6.7%\u201317.2%) uronic acids (5.5%\u201313.3%), arabinose (3.2%\u201310.1%), galactose content (4.8%\u20136.8%), mannose (1.6%\u20133.6%), and rhamnose (0%\u20133.1%). The hemicellulose was primarily\n                    <jats:italic>\u03b2<\/jats:italic>\n                    \u2013(1\u202f\u2192\u202f4)\u2013linked arabinoxylans with minor glucurono\u2212\/galacto-arabinoxylan motifs, together with insoluble glucan and pectic homogalacturonan (HG) and rhamnogalacturonan-I (RG-I). Neghal hemicellulose was structurally simpler, containing relatively less branched arabinoxylan and showing lower peak-molecular weights (27.5\u201335\u202fkDa), whereas Barhi hemicellulose was enriched in arabinogalactan-protein (AGP) and RG-like features and showed higher peak-molecular weights (29.5\u2013223.9\u202fkDa). These structural differences correlate with a more branched, hydrated and less tightly packed hemicellulose\u2013pectin matrix in Barhi compared with a more dominated arabinoxylan\u2013matrix in Neghal and may contribute to the softer texture of Barhi. Overall, these results provide new insights into the composition and structural diversity of alkali-soluble hemicellulosic polysaccharides in date fruits.\n                  <\/jats:p>","DOI":"10.3389\/fnut.2026.1804879","type":"journal-article","created":{"date-parts":[[2026,3,26]],"date-time":"2026-03-26T06:34:57Z","timestamp":1774506897000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Chemical and structural characterization of hemicellulose from date fruits (Phoenix dactylifera L.)"],"prefix":"10.3389","volume":"13","author":[{"given":"Clinton E.","family":"Okonkwo","sequence":"first","affiliation":[{"name":"Department of Food Science and Technology, College of Agriculture and Veterinary Medicine, United Arab Emirates University","place":["Al Ain, United Arab Emirates"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew J.","family":"O\u2019Connor","sequence":"additional","affiliation":[{"name":"Core Technology Platforms, New York University Abu Dhabi","place":["Abu Dhabi, United Arab Emirates"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue Ling","family":"Wong","sequence":"additional","affiliation":[{"name":"ETH Z\u00fcrich, Institute of Food, Nutrition and Health, Schmelzbergstrasse 9","place":["Zurich, Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Nystr\u00f6m","sequence":"additional","affiliation":[{"name":"ETH Z\u00fcrich, Institute of Food, Nutrition and Health, Schmelzbergstrasse 9","place":["Zurich, Switzerland"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali H.","family":"Al-Marzouqi","sequence":"additional","affiliation":[{"name":"Department of Chemical and Petroleum Engineering, United Arab Emirates University","place":["Al Ain, United Arab 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