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One of the factors inducing changes in saliva, in the short term, is food intake, and evidence exist about changes in salivary proteome induced by some food components. Since this topic of research is in its early stages, it was hypothesized that saliva protein composition could be associated with different levels of adherence to dietary patterns that contain higher amounts of plant products. The aim of the present study was to test this hypothesis, in adults, by comparing salivary protein electrophoretic profiles of individuals with different diet characteristics, particularly dietary patterns (DP) that exhibit different proportions of animal and plant-based products. Dietary habits were assessed in 122 adults (61 from each sex, with ages ranging from 20 to 59 years) using Food Frequency Questionnaires. To identify the dietary patterns, a principal component analysis was used. Individual\u2019s non-stimulated saliva was evaluated for flow rate, pH, protein concentration, \u03b1-amylase activity, and electrophoretic protein profiles. Seven dietary patterns (DP) were identified. Salivary amylase enzymatic activity was positively associated with animal-based and starchy foods DP, and with plant-based fatty foods without wine DP. At the same time, protein bands containing amylase and type S cystatins were positively associated with the cheese\/yoghurt and wine DP. Our results support the association of salivary proteomics and different dietary patterns and highlight the need of considering food consumption habits in studies using saliva, since this is a factor associated with variations in the composition of this fluid.<\/jats:p>","DOI":"10.1155\/2021\/6629951","type":"journal-article","created":{"date-parts":[[2021,4,16]],"date-time":"2021-04-16T20:35:36Z","timestamp":1618605336000},"page":"1-10","source":"Crossref","is-referenced-by-count":15,"title":["Salivary Protein Profile and Food Intake: A Dietary Pattern Analysis"],"prefix":"10.1155","volume":"2021","author":[{"given":"Teresa","family":"Louro","sequence":"first","affiliation":[{"name":"MED (Mediterranean Institute for Agriculture, Environment and Development), Institute for Advanced Studies and Research (IIFA)IIFA\u2013Instituto de Investiga\u00e7\u00e3o e Forma\u00e7\u00e3o Avan\u00e7ada, University of \u00c9vora, \u00c9vora, Portugal"}]},{"given":"Carla","family":"Sim\u00f5es","sequence":"additional","affiliation":[{"name":"MED (Mediterranean Institute for Agriculture, Environment and Development), Institute for Advanced Studies and Research (IIFA)IIFA\u2013Instituto de Investiga\u00e7\u00e3o e Forma\u00e7\u00e3o Avan\u00e7ada, University of \u00c9vora, \u00c9vora, Portugal"}]},{"given":"Wilmara","family":"Lima","sequence":"additional","affiliation":[{"name":"Student from the Department of Chemistry, University of \u00c9vora, \u00c9vora, Portugal"}]},{"given":"Laura","family":"Carreira","sequence":"additional","affiliation":[{"name":"Student from the Department of Chemistry, University of \u00c9vora, \u00c9vora, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8703-2272","authenticated-orcid":true,"given":"Paula Midori","family":"Castelo","sequence":"additional","affiliation":[{"name":"Dept. 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