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The demographic change in the world population age structure has driven a huge demand in healthcare products as well as services that include the technological innovation for the health and wellness of the elderly. Dysphagia or swallowing difficulty is a common problem in the elderly as many changes in swallowing function come with aging. The presence of a strong relationship between swallowing ability, nutritional status, and health outcomes in the elderly leads to the importance of dysphagia management in the population group. Modification of solid food and\/or liquid is a mainstay of compensatory intervention for dysphagia patients. In this regard, texture\u2010modified foods are generally provided to reduce risks associated with choking, while thickened liquids are recommended for mitigating risks associated with aspiration. In this review, we discuss thickened liquids and other issues including the importance of their rheological and tribological properties for oropharyngeal dysphagia management in the elderly. The review focuses on both commercial thickeners that are either based on modified starch or xanthan gum and other potential polysaccharide alternatives, which have been documented in the literature in order to help researchers develop or improve the characteristic properties of thickened liquids required for safe swallowing. Furthermore, some research gaps and future perspectives, particularly from the nutrition aspect related to the interaction between thickeners and other food ingredients, are suggested as such interaction may considerably control the rate of nutrient absorption and release within our body.<\/jats:p>","DOI":"10.1111\/1541-4337.12791","type":"journal-article","created":{"date-parts":[[2021,6,19]],"date-time":"2021-06-19T14:52:42Z","timestamp":1624114362000},"page":"4101-4119","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":114,"title":["Food polysaccharides and roles of rheology and tribology in rational design of thickened liquids for oropharyngeal dysphagia: A review"],"prefix":"10.1111","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3137-2857","authenticated-orcid":false,"given":"Pawadee","family":"Methacanon","sequence":"first","affiliation":[{"name":"Advanced Polymer Technology Research Group National Metal and Materials Technology Center (MTEC), NSTDA  Klong Luang Pathumthani Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5127-164X","authenticated-orcid":false,"given":"Chaiwut","family":"Gamonpilas","sequence":"additional","affiliation":[{"name":"Advanced Polymer Technology Research Group National Metal and Materials Technology Center (MTEC), NSTDA  Klong Luang Pathumthani Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akapong","family":"Kongjaroen","sequence":"additional","affiliation":[{"name":"Advanced Polymer Technology Research Group National Metal and Materials Technology Center (MTEC), NSTDA  Klong Luang Pathumthani Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chonchanok","family":"Buathongjan","sequence":"additional","affiliation":[{"name":"Advanced Polymer Technology Research Group National Metal and Materials Technology Center (MTEC), NSTDA  Klong Luang Pathumthani Thailand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,6,19]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40136-020-00258-x"},{"key":"e_1_2_8_3_1","first-page":"123","volume-title":"Dysphagia diagnosis and treatment","author":"Allen J.","year":"2019"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00455-018-9915-6"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40141\u2010018\u20100197\u20106"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1515\/arh-2007-0012"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01333960"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/1521-379X(200006)52:5<154::AID-STAR154>3.0.CO;2-#"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foodhyd.2009.09.004"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.3933\/applrheol\u201026\u201064525"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2019.01.019"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.3390\/plants8060163"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijbiomac.2019.08.226"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.foostr.2014.03.001"},{"issue":"6","key":"e_1_2_8_15_1","first-page":"618","article-title":"Preparation of granular cold water\u2010soluble starches prepared by alcoholic alkaline treatment","volume":"71","author":"Chen J.","year":"1994","journal-title":"Cereal Chemistry"},{"key":"e_1_2_8_16_1","unstructured":"Chen J. 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