{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T03:01:17Z","timestamp":1777431677375,"version":"3.51.4"},"reference-count":30,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2008,7,16]],"date-time":"2008-07-16T00:00:00Z","timestamp":1216166400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Euro J Lipid Sci &amp;amp; Tech"],"published-print":{"date-parts":[[2008,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The feasibility to discriminate among samples of different fat blends prior and after inorganic or lipase\u2010catalyzed interesterification, <jats:italic>via<\/jats:italic> pattern recognition techniques [principal component analysis (PCA) and discriminant analysis (DA)], was investigated. Blends\u2005I and II, consisting of mixtures of palm stearin, palm kernel oil and a concentrate of triacylglycerols (TAG) rich in <jats:italic>n<\/jats:italic>\u20103 polyunsaturated fatty acids (EPAX 4510TG or EPAX 2050TG) were used. These blends, prior (64\u2005samples) and after interesterification, catalyzed by an immobilized <jats:italic>Thermomyces lanuginosa<\/jats:italic> lipase (Lipozyme TL\u2005IM, 54\u2005samples) or by sodium methoxide (10\u2005samples), were characterized by their acylglycerol profiles (25\u2005chromatographic peaks) and solid fat content (SFC) at 10, 20, 30 and 35\u2005\u00b0C. PCA on the multivariate data (i)\u2005showed that the initial samples were characterized by higher SFC and higher contents of high\u2010melting TAG and (ii)\u2005suggested two separate clusters of initial and interesterified samples. DA was performed on the multivariate data to determine which of the 29\u2005variables have discriminative power. When the 124\u2005samples, characterized by their acylglycerols, were grouped into (i)\u2005initial and interesterified samples of blends\u2005I or II (four groups) or (ii)\u2005also by the catalyst used (six groups), 98.4% of the samples were correctly classified.<\/jats:p>","DOI":"10.1002\/ejlt.200700270","type":"journal-article","created":{"date-parts":[[2008,7,16]],"date-time":"2008-07-16T11:32:16Z","timestamp":1216207936000},"page":"893-904","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Pattern recognition of lipase\u2010catalyzed or chemically interesterified fat blends containing <b><i>n<\/i><\/b>\u20103 polyunsaturated fatty acids"],"prefix":"10.1002","volume":"110","author":[{"given":"Ana Sofia","family":"Pires","sequence":"first","affiliation":[]},{"given":"Nat\u00e1lia M.","family":"Os\u00f3rio","sequence":"additional","affiliation":[]},{"given":"Ana Cl\u00e1udia","family":"Nascimento","sequence":"additional","affiliation":[]},{"given":"Frederik","family":"van Keulen","sequence":"additional","affiliation":[]},{"given":"M. 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