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The aim of work was to structure and characterise the high rapeseed oil emulsions stabilised by xanthan gum rich whey protein with an inclusion of commercially available added fibre (Vitacel HF0010 plus) as an additional stabiliser. The manufactured emulsions were also tested whether they can re-build the emulsion property after drying, water addition and re-emulsification. The emulsions with a ratio of 60/40 for rapeseed oil to water phase were obtained with a fibre inclusion at 0.25, 0.50 and 1.00% using a high shear homogenisation. Drying processing, rehydration and re-emulsification only led to re-build emulsion structure with 0.50 and 1.00% fibre. After re-emulsification, some fibre occurred as insoluble particles and were allocated at the oil-water interface or continuous phase of emulsion. Interestingly, processed sample with 1.00% fibre had the greatest instability when subjected to in vitro gastric digestion assay. All primary emulsions and processed emulsions with 0.50 and 1.00% fibre, were stable against coalescence with no oil loss and resulted in almost identical droplet size after a day 30 of storage at 4(±1)°C. All the structured emulsions showed shear-thinning behaviour. The fabricated emulsions showed a feature of regaining emulsion structure, which extend their applications in food formulation as clean label emulsions. • High oil emulsions can be produced by xanthan gum rich whey protein concentrate. • Additional fibre leads to an increase of viscoelastic properties. • Processing of emulsion causes the re-structure of emulsions. • Processed fibre rich emulsion destabilises during in vitro gastric digestion. [ABSTRACT FROM AUTHOR]

BACKGROUND: The consumption of olive oil has been shown to have a positive effect on preventing obesity and hypertension. At the same time, it is recommended to avoid processed meat products as they contain saturated fats. The inclusion of highly unsaturated lipids in food products can lead to rapid oxidation and deterioration of sensory characteristics. The objective of the current work was to encapsulate olive oil and incorporate it into traditional Polish liver pâté. The oil‐in‐water emulsions were formulated with varying levels of oat β‐glucan and were evaluated for droplet size, pH, encapsulation efficiency and rheology. The liver pâtés made using the emulsions with and without β‐glucan were then evaluated for pH, texture, colour, lipid and protein oxidation, thermal stability and sensory properties. RESULTS: The results showed that the oil‐in‐water emulsions had a 100% encapsulation rate of olive oil after 30 days of storage at 4 °C, regardless of the presence of β‐glucan. Although the texture of the emulsion‐enriched liver pâté was different from that of the control, this difference was reduced when β‐glucan was added to the emulsion and then to the pâté matrix. CONCLUSION: Replacing 50% of animal fat with an olive oil emulsion enriched with β‐glucan did not result in any compromise of sensory properties, increase lipid or protein oxidation. These results suggest that it is possible to replace saturated lipids with omega‐3‐rich olive oil. © 2024 Society of Chemical Industry. [ABSTRACT FROM AUTHOR]

The aim of this study was to determine the effect of the maltodextrins prepared from chemically modified starches (crosslinked, stabilized, crosslinked and stabilized) on the stability and rheological properties of model oil-in-water (o/w) emulsions. Based on the obtained results, it was concluded that emulsion stability depended on hydrolysates dextrose equivalent (DE) value. Maltodextrin with the lowest degree of depolymerization effectively stabilized the dispersed system, and the effectiveness of this action depended on the maltodextrin type and concentration. Addition of distarch phosphate-based maltodextrin stabilized emulsion at the lowest applied concentration, and the least effective was maltodextrin prepared from acetylated starch. Emulsions stabilized by maltodextrins (DE 6) prepared from distarch phosphate and acetylated distarch adipate showed the predominance of the elastic properties over the viscous ones. Only emulsion stabilized by maltodextrin prepared from distarch phosphate (E1412) revealed the properties of strong gel. Additionally, the decrease in emulsions G0 and G" moduli values, combined with an increase in the value of DE maltodextrins, was observed. [ABSTRACT FROM AUTHOR]