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Type: Artigo
Title: Modification of palm oil crystallization by phytosterol addition as a tool for structuring a low saturated lipid blend
Author: Buscato, Monise Helen Masuchi
Zaia, Barbara Gallani
Godoi, Kamila Ramponi Rodrigues de
Ribeiro, Ana Paula Badan
Kieckbusch, Theo Guenter
Abstract: Fat structural modifications promoted by phytosterol addition ( a hypocholesterolemic component ( to palm oil and a mixture of palm oil and canola oilwere evaluated in order to develop fats with reduced saturated fatty acids. Palm oil added with free or esterified phytosterols was investigated in terms of triacylglycerol composition, microstructure, solid fat content, and crystallization behavior before and after chemical interesterification. The addition of 10% of free phytosterols to samples before interesterification built up a denser crystal fat network structure. After interesterification, the free phytosterols lost their structuring ability and behaved as the esterified form. Free phytosterols were subsequently added to blends of palm oil and canola oil (50:50 w/w%) at different concentrations. Consistency measurements and microscopic observation confirmed that, at concentrations of 6, 8, and 10%, the free phytosterols upgraded the fat structure forming a strongly cohesivefat crystal network
Subject: Fitosteróis
Country: Alemanha
Editor: Springer
Rights: Aberto
Identifier DOI: 10.1590/0104-6632.20180351s20160351
Date Issue: 2018
Appears in Collections:FEA - Artigos e Outros Documentos

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