Artículo
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins Under Dynamic and Static Conditions
Martini, S.; Rincón Cardona, Jaime A.
; Ye, Y.; Tan, C. Y.; Candal, Roberto Jorge
; Herrera, Maria Lidia
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Fecha de publicación:
08/2013
Editorial:
Springer
Revista:
Journal of The American Oil Chemists Society
ISSN:
0003-021X
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Soft (SS) and hard (HS) stearins obtained from high-oleic high-stearic sunflower oil were isothermally crystallized under dynamic (with agitation) and static conditions at 16, 17, 18, 19, and 20 °C and 24, 25, 26, 27, and 28 °C, respectively. Both fractions crystallized under the α-form at early stages of crystallization for all temperatures (T c) tested. Polymorphic behavior strongly changed with T c and shear conditions for both fractions. SS fractions were characterized by α, β2 and/or β1 polymorphs at lower T c and β1 crystals at higher T c when crystallized under dynamic conditions, while this same fat system was characterized by β2′ crystals at lower T c and β2 at higher T c under static conditions. HS samples were mainly characterized by α and β2 crystals at lower T c and α and β1 crystals at higher T c when crystallized under dynamic conditions; while the same fat was characterized by β1′ crystals when crystallized at lower T c and α when crystallized at higher T c under static conditions after 90 min at T c. These different polymorphic behaviors, in combination with the different processing and tempering temperatures are translated in specific textural behavior of the samples.
Palabras clave:
Polymorphism
,
Fats
,
High Stearic High Oleic Sunflower Oil
,
Crystallization
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Articulos(INQUIMAE)
Articulos de INST.D/QUIM FIS D/L MATERIALES MEDIOAMB Y ENERGIA
Articulos de INST.D/QUIM FIS D/L MATERIALES MEDIOAMB Y ENERGIA
Articulos(ITPN)
Articulos de INSTITUTO DE TECNOLOGIA EN POLIMEROS Y NANOTECNOLOGIA
Articulos de INSTITUTO DE TECNOLOGIA EN POLIMEROS Y NANOTECNOLOGIA
Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Citación
Martini, S.; Rincón Cardona, Jaime A.; Ye, Y.; Tan, C. Y.; Candal, Roberto Jorge; et al.; Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins Under Dynamic and Static Conditions; Springer; Journal of The American Oil Chemists Society; 90; 12; 8-2013; 1773-1786
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