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Original Articles

Crystallisation of monoacylglycerols and triacylglycerols at different proportions: Kinetics and structure

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Pages S385-S398 | Received 13 Sep 2016, Accepted 18 Feb 2017, Published online: 12 Jun 2017
 

ABSTRACT

The objective of this study was to investigate the effects of adding monoacylglycerols (MAGs) to triacylglycerols (TAGs) on the crystallisation properties in a fat system. Differential scanning calorimetry (DSC) and polarised light microscopy (PLM) methods were used for the analysis. Different MAGs (monoolein—O, monopalmitin—P, and monolaurin—L) were added at 1, 3, and 5% (w/w) to TAG samples, namely (triolein—OOO, tripalmitin—PPP, and tristearin—SSS). DSC results showed that the addition of MAGs changed the crystallisation of the TAGs (PPP, SSS, and OOO). The same MAG may exhibit different behaviours (induction or retardation of crystallisation) depending on the proportion added. The addition of 5% (w/w) of MAG to TAG (PPP and SSS) delayed the crystallisation process, while the best proportion of added MAGs to promote crystallisation was 3% (w/w).

Funding

The authors gratefully acknowledge the generous support of the Brazilian research funding agencies, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP).

Additional information

Funding

The authors gratefully acknowledge the generous support of the Brazilian research funding agencies, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), and Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP).

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