Effects of storage temperature and duration on physical and microstructure properties of superolein oleogels

M.H. Saw; W.H. Lim; C.B. Yeoh; E. Hishamuddin; S.  Kanagaratnam; N.A. Mohd Hassim; N.H. Ismail; C.P. Tan

doi:10.3989/gya.1200232.2198

Autores/as

M.H. Saw Malaysian Palm Oil Board https://orcid.org/0000-0001-5329-8910
W.H. Lim Malaysian Palm Oil Board https://orcid.org/0000-0002-0344-6943
C.B. Yeoh Malaysian Palm Oil Board https://orcid.org/0000-0002-0466-8492
E. Hishamuddin Malaysian Palm Oil Board https://orcid.org/0000-0003-2065-4709
S. Kanagaratnam Malaysian Palm Oil Board https://orcid.org/0000-0002-8731-5421
N.A. Mohd Hassim Malaysian Palm Oil Board https://orcid.org/0000-0003-2056-5802
N.H. Ismail Malaysian Palm Oil Board https://orcid.org/0000-0003-3465-3248
C.P. Tan Universiti Putra Malaysia https://orcid.org/0000-0003-4177-4072

DOI:

https://doi.org/10.3989/gya.1200232.2198

Palabras clave:

Cera de girasol, Éster de poliglicerol, Monoacilglicérido oleogel de superoleína

Resumen

Se estudió el efecto de la temperatura y el tiempo de almacenamiento en la estabilidad de oleogeles producidos con cera de girasol, éster de ácido behénico de poliglicerol y monoacilglicéridos hidrogenados de palma, evaluando sus propiedades físicas y microestructurales. El oleogel almacenado a 5 °C mostró mayor dureza debido a la formación de más cristales. Los oleogeles de ácido behénico de poliglicerol presentaron separación de fases y picos amorfos a altas temperaturas, lo que indica inestabilidad. Los oleogeles de cera de girasol fueron los más estables, con polimorfos βʹ y cristales en forma de aguja. Los oleogeles de monoacilglicéridos mostraron grandes cristales y vacíos, con menor estabilidad pese a su dureza. Los análisis de microscopía y difracción de rayos X subrayan que el tipo de gelificante es clave para las propiedades y estabilidad de los oleogeles, aportando información útil para aplicaciones industriales.

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