A differential scanning calorimetry study of the crystallization kinetics of tristearin‐tripalmitin mixtures

A differential scanning calorimetry study of the crystallization kinetics of tristearin‐tripalmitin mixtures

A comprehensive study of the isothermal crystallization kinetics of tripalmitin‐tristearin mixtures was carried out using DSC, with data fitted to the Avrami equation. Polymorphs were identified by subsequent melting of samples in the differential scanning calorimeter, with additional confirmatory i...

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Veröffentlicht in:Journal of the American Oil Chemists' Society 2006-01, Vol.83 (1), p.1-9
Hauptverfasser: MacNaughtan, W., Farhat, I. A., Himawan, C., Starov, V. M., Stapley, A. G. F.
Format: Artikel
Sprache:eng
Schlagworte:
Avrami
Biological and medical sciences
Calorimetry
crystal growth
Crystallization
Differential scanning calorimetry
driving force
DSC
Fat industries
Food industries
Fundamental and applied biological sciences. Psychology
Heat flow
induction time
Kinetics
Mass transfer
Melting
Nucleation
Oils & fats
Phase diagrams
Polymorphism
triglyceride
X-ray diffraction
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Zusammenfassung:A comprehensive study of the isothermal crystallization kinetics of tripalmitin‐tristearin mixtures was carried out using DSC, with data fitted to the Avrami equation. Polymorphs were identified by subsequent melting of samples in the differential scanning calorimeter, with additional confirmatory information obtained from wide‐angle X‐ray diffraction. It was found that α‐, β′‐, and β‐forms require small (
ISSN:0003-021X
1558-9331
DOI:10.1007/s11746-006-1167-1