Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions
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 stage...
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todo:paper_0003021X_v90_n12_p1773_Martini2023-10-03T13:55:36Z Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions Martini, S. Cardona, J.A.R. Ye, Y. Tan, C.Y. Candal, R.J. Herrera, M.L. Crystallization Fats High stearic high oleic sunflower oil Morphology Polymorphism Texture Thermal behavior Crystallization behavior Dynamic condition High-oleic sunflower oil Polymorphic behavior Shear conditions Static conditions Tempering temperature Thermal behaviors Crystallization Morphology Oils and fats Textures Polymorphism Helianthus 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 β 1′ 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. © 2013 AOCS. Fil:Candal, R.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0003021X_v90_n12_p1773_Martini |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Crystallization Fats High stearic high oleic sunflower oil Morphology Polymorphism Texture Thermal behavior Crystallization behavior Dynamic condition High-oleic sunflower oil Polymorphic behavior Shear conditions Static conditions Tempering temperature Thermal behaviors Crystallization Morphology Oils and fats Textures Polymorphism Helianthus |
spellingShingle |
Crystallization Fats High stearic high oleic sunflower oil Morphology Polymorphism Texture Thermal behavior Crystallization behavior Dynamic condition High-oleic sunflower oil Polymorphic behavior Shear conditions Static conditions Tempering temperature Thermal behaviors Crystallization Morphology Oils and fats Textures Polymorphism Helianthus Martini, S. Cardona, J.A.R. Ye, Y. Tan, C.Y. Candal, R.J. Herrera, M.L. Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
topic_facet |
Crystallization Fats High stearic high oleic sunflower oil Morphology Polymorphism Texture Thermal behavior Crystallization behavior Dynamic condition High-oleic sunflower oil Polymorphic behavior Shear conditions Static conditions Tempering temperature Thermal behaviors Crystallization Morphology Oils and fats Textures Polymorphism Helianthus |
description |
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 β 1′ 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. © 2013 AOCS. |
format |
JOUR |
author |
Martini, S. Cardona, J.A.R. Ye, Y. Tan, C.Y. Candal, R.J. Herrera, M.L. |
author_facet |
Martini, S. Cardona, J.A.R. Ye, Y. Tan, C.Y. Candal, R.J. Herrera, M.L. |
author_sort |
Martini, S. |
title |
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
title_short |
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
title_full |
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
title_fullStr |
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
title_full_unstemmed |
Crystallization Behavior of High-Oleic High-Stearic Sunflower Oil Stearins under Dynamic and Static Conditions |
title_sort |
crystallization behavior of high-oleic high-stearic sunflower oil stearins under dynamic and static conditions |
url |
http://hdl.handle.net/20.500.12110/paper_0003021X_v90_n12_p1773_Martini |
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