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Comparative study of the self-assembly and thermal properties of six commercial sucrose esters

Fien De Witte (UGent) , Filip Van Bockstaele (UGent) and Koen Dewettinck (UGent)
(2025) JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY. 102(2). p.305-309
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Abstract
In this study six sucrose esters (SEs) with varying mono-ester content, and thus varying hydrophilic-to-lipophilic balance (HLB) were studied. Wide- and small-angle X-ray scattering (WAXS and SAXS) was performed in order to unravel the nanoscale assembly of SEs. Differential scanning calorimetry (DSC) allowed to identify the melting and crystallization peaks of the different SEs, which could be attributed to the low and high esterified sugar molecules. Moreover, the results show clear differences in melting and crystallization behavior based on the type of fatty acid chains present. WAXS analysis unraveled a hexagonal subcell for all studied SEs. Despite some difficulty in identifying low intensity SAXS peaks, the analysis suggests a cubic structure for low HLB esters and a lamellar packing for high HLB esters. Medium HLB esters are hypothesized to contain a combination of the aforementioned structures.
Keywords
crystallization, melting, SAXS, sucrose esters, WAXS, FATTY-ACID ESTERS, X-RAY-SCATTERING, BEHAVIOR

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Citation

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MLA
De Witte, Fien, et al. “Comparative Study of the Self-Assembly and Thermal Properties of Six Commercial Sucrose Esters.” JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, vol. 102, no. 2, 2025, pp. 305–09, doi:10.1002/aocs.12889.
APA
De Witte, F., Van Bockstaele, F., & Dewettinck, K. (2025). Comparative study of the self-assembly and thermal properties of six commercial sucrose esters. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 102(2), 305–309. https://doi.org/10.1002/aocs.12889
Chicago author-date
De Witte, Fien, Filip Van Bockstaele, and Koen Dewettinck. 2025. “Comparative Study of the Self-Assembly and Thermal Properties of Six Commercial Sucrose Esters.” JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY 102 (2): 305–9. https://doi.org/10.1002/aocs.12889.
Chicago author-date (all authors)
De Witte, Fien, Filip Van Bockstaele, and Koen Dewettinck. 2025. “Comparative Study of the Self-Assembly and Thermal Properties of Six Commercial Sucrose Esters.” JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY 102 (2): 305–309. doi:10.1002/aocs.12889.
Vancouver
1.
De Witte F, Van Bockstaele F, Dewettinck K. Comparative study of the self-assembly and thermal properties of six commercial sucrose esters. JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY. 2025;102(2):305–9.
IEEE
[1]
F. De Witte, F. Van Bockstaele, and K. Dewettinck, “Comparative study of the self-assembly and thermal properties of six commercial sucrose esters,” JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, vol. 102, no. 2, pp. 305–309, 2025.
@article{01JDW111JWZ9R8TPT13Q4ZE6HR,
  abstract     = {{In this study six sucrose esters (SEs) with varying mono-ester content, and thus varying hydrophilic-to-lipophilic balance (HLB) were studied. Wide- and small-angle X-ray scattering (WAXS and SAXS) was performed in order to unravel the nanoscale assembly of SEs. Differential scanning calorimetry (DSC) allowed to identify the melting and crystallization peaks of the different SEs, which could be attributed to the low and high esterified sugar molecules. Moreover, the results show clear differences in melting and crystallization behavior based on the type of fatty acid chains present. WAXS analysis unraveled a hexagonal subcell for all studied SEs. Despite some difficulty in identifying low intensity SAXS peaks, the analysis suggests a cubic structure for low HLB esters and a lamellar packing for high HLB esters. Medium HLB esters are hypothesized to contain a combination of the aforementioned structures.}},
  author       = {{De Witte, Fien and Van Bockstaele, Filip and Dewettinck, Koen}},
  issn         = {{0003-021X}},
  journal      = {{JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY}},
  keywords     = {{crystallization,melting,SAXS,sucrose esters,WAXS,FATTY-ACID ESTERS,X-RAY-SCATTERING,BEHAVIOR}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{305--309}},
  title        = {{Comparative study of the self-assembly and thermal properties of six commercial sucrose esters}},
  url          = {{http://doi.org/10.1002/aocs.12889}},
  volume       = {{102}},
  year         = {{2025}},
}
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