| Full text | |
| Author(s): |
Francisco, Cristhian Rafael Lopes
;
Silva, Marluci Palazzolli
;
Oliveira Jr, Fernando Divino
;
Santos, Tatiana Porto
;
Cunha, Rosiane Lopes
Total Authors: 5
|
| Document type: | Journal article |
| Source: | JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY; v. N/A, p. 13-pg., 2023-08-01. |
| Abstract | |
Plant-based high internal phase oil-in-water emulsions (HIPEs) are promising fat replacers. However, producing stable HIPES with improved viscoelastic properties is a challenge for the food industry. Conjugation of plant proteins, such as lupin protein isolate, with phenolic compounds, such as proanthocyanidins from grape seed extract, associated (or not) with moderate heat treatment arise as potential methods to tune the surface properties of proteins and, consequently, the droplet-droplet interactions that drive the viscoelastic properties of HIPEs. In this way, unheated (UHC) and heated (85 & DEG;C, 15 min) (HC) lupin protein (LPI)-grape seed extract (GSE) conjugates were produced and used to stabilize HIPEs. Evaluation of stability by Turbiscan and oil loss by centrifugation over 56 days of storage did not reflect the kinetic stability of HIPEs against process conditions. Under shearing, UHC-stabilized emulsions at high GSE concentrations showed oil release, whereas all HC-stabilized HIPEs released oil. However, the increase in GSE concentration and heat treatment improved the viscosity and storage modulus (G & PRIME;) of HIPEs, possibly due to the droplet-droplet interaction originating from hydrophilic and hydrophobic interactions in UHC and HC-stabilized HIPEs, respectively. This pivotal study confirmed that conjugation of a plant protein with GSE and heat treatment could improve the viscoelastic properties of HIPEs and produce HIPEs with superior texture (higher G & PRIME;). (AU) | |
| FAPESP's process: | 09/54137-1 - Acquisition of a particle size/distribution analyzer, a zeta potential measurement system, a spray dryer, and an ultra-high-pressure liquid chromatograph/mass spectrometer |
| Grantee: | Miriam Dupas Hubinger |
| Support Opportunities: | Multi-user Equipment Program |
| FAPESP's process: | 20/13217-1 - Protein-polyphenol complexes stabilizing emulsions produced in microchannels |
| Grantee: | Cristhian Rafael Lopes Francisco |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 19/27354-3 - Architecture of colloidal delivery systems: what is the role of structure on the digestibility? |
| Grantee: | Rosiane Lopes da Cunha |
| Support Opportunities: | Research Projects - Thematic Grants |