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Plant based Pickering stabilization of emulsions using soluble flaxseed protein and mucilage nano-assemblies

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Abstract
A straightforward and green method of stabilizing emulsions was developed using plant-based particles from complexation of flaxseed protein (FP) and the soluble fraction of flaxseed mucilage (SFM). The extracted SFM was characterized using H-1 and C-13 NMR. The effect of pH, total concentration (TC) and FP to SFM ratio on the formation of assemblies was investigated by light scattering, surface charge and optical density measurements. The selected negatively charged complex particles had the size of 369.46 nm and near neutral wettability. These nano-assemblies were utilized to fabricate Pickering emulsions. The effect of the FP to SFM ratio, TC and oil content was evaluated on the droplet size of the Pickering emulsions. The droplet size variation of the emulsions stabilized by the selected complex particles and protein only was also monitored during 30 days of storage and the flocculation and coalescence indices were evaluated. On comparing the emulsifying ability of the complex particles with protein particles at pH 3, native FP resulted in poor formation and stability of emulsions due to the aggregation while complex stabilized emulsion was stable with no variation in the droplet size during storage. The microstructure of the emulsions was demonstrated utilizing Cryo-SEM and CLSM. The complexation was able to improve the functionality of FP for emulsion stabilization. The fabricated FP-SFM Pickering emulsions have potential application for the encapsulation of lipophilic bioactive compounds in natural and plant based food, beverage, and pharmaceutical formulations.
Keywords
Flaxseed protein, Flaxseed mucilage, Nano-assemblies, Pickering emulsion, Complex bioparticle, Electrostatic interaction, IN-WATER EMULSIONS, EMULSIFYING PROPERTIES, FUNCTIONAL-PROPERTIES, COMPLEX COACERVATION, RHEOLOGICAL PROPERTIES, XANTHAN GUM, OIL, POLYSACCHARIDE, PARTICLES, PH

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MLA
Nikbakht Nasrabadi, Maryam, et al. “Plant Based Pickering Stabilization of Emulsions Using Soluble Flaxseed Protein and Mucilage Nano-Assemblies.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 563, 2019, pp. 170–82.
APA
Nikbakht Nasrabadi, M., Goli, S. A. H., Sedaghat Doost, A., Roman, B., Dewettinck, K., Stevens, C., & Van der Meeren, P. (2019). Plant based Pickering stabilization of emulsions using soluble flaxseed protein and mucilage nano-assemblies. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 563, 170–182.
Chicago author-date
Nikbakht Nasrabadi, Maryam, Sayed Amir Hossein Goli, Ali Sedaghat Doost, Bart Roman, Koen Dewettinck, Christian Stevens, and Paul Van der Meeren. 2019. “Plant Based Pickering Stabilization of Emulsions Using Soluble Flaxseed Protein and Mucilage Nano-Assemblies.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 563: 170–82.
Chicago author-date (all authors)
Nikbakht Nasrabadi, Maryam, Sayed Amir Hossein Goli, Ali Sedaghat Doost, Bart Roman, Koen Dewettinck, Christian Stevens, and Paul Van der Meeren. 2019. “Plant Based Pickering Stabilization of Emulsions Using Soluble Flaxseed Protein and Mucilage Nano-Assemblies.” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 563: 170–182.
Vancouver
1.
Nikbakht Nasrabadi M, Goli SAH, Sedaghat Doost A, Roman B, Dewettinck K, Stevens C, et al. Plant based Pickering stabilization of emulsions using soluble flaxseed protein and mucilage nano-assemblies. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS. 2019;563:170–82.
IEEE
[1]
M. Nikbakht Nasrabadi et al., “Plant based Pickering stabilization of emulsions using soluble flaxseed protein and mucilage nano-assemblies,” COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, vol. 563, pp. 170–182, 2019.
@article{8584213,
  abstract     = {A straightforward and green method of stabilizing emulsions was developed using plant-based particles from complexation of flaxseed protein (FP) and the soluble fraction of flaxseed mucilage (SFM). The extracted SFM was characterized using H-1 and C-13 NMR. The effect of pH, total concentration (TC) and FP to SFM ratio on the formation of assemblies was investigated by light scattering, surface charge and optical density measurements. The selected negatively charged complex particles had the size of 369.46 nm and near neutral wettability. These nano-assemblies were utilized to fabricate Pickering emulsions. The effect of the FP to SFM ratio, TC and oil content was evaluated on the droplet size of the Pickering emulsions. The droplet size variation of the emulsions stabilized by the selected complex particles and protein only was also monitored during 30 days of storage and the flocculation and coalescence indices were evaluated. On comparing the emulsifying ability of the complex particles with protein particles at pH 3, native FP resulted in poor formation and stability of emulsions due to the aggregation while complex stabilized emulsion was stable with no variation in the droplet size during storage. The microstructure of the emulsions was demonstrated utilizing Cryo-SEM and CLSM. The complexation was able to improve the functionality of FP for emulsion stabilization. The fabricated FP-SFM Pickering emulsions have potential application for the encapsulation of lipophilic bioactive compounds in natural and plant based food, beverage, and pharmaceutical formulations.},
  author       = {Nikbakht Nasrabadi, Maryam and Goli, Sayed Amir Hossein  and Sedaghat Doost, Ali and Roman, Bart and Dewettinck, Koen and Stevens, Christian and Van der Meeren, Paul},
  issn         = {0927-7757},
  journal      = {COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS},
  keywords     = {Flaxseed protein,Flaxseed mucilage,Nano-assemblies,Pickering emulsion,Complex bioparticle,Electrostatic interaction,IN-WATER EMULSIONS,EMULSIFYING PROPERTIES,FUNCTIONAL-PROPERTIES,COMPLEX COACERVATION,RHEOLOGICAL PROPERTIES,XANTHAN GUM,OIL,POLYSACCHARIDE,PARTICLES,PH},
  language     = {eng},
  pages        = {170--182},
  title        = {Plant based Pickering stabilization of emulsions using soluble flaxseed protein and mucilage nano-assemblies},
  url          = {http://dx.doi.org/10.1016/j.colsurfa.2018.12.004},
  volume       = {563},
  year         = {2019},
}

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