JOSEPH, Cecile; SAVOIRE, Raphaelle; HARSCOAT SCHIAVO, Christelle; PINTORI, Didier; MONTEIL, Julien; FAURE, Chrystel; LEAL-CALDERON, Fernando

doi:10.1016/j.lwt.2019.108311

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JOSEPH, Cecile
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]

SAVOIRE, Raphaelle
Chimie et Biologie des Membranes et des Nanoobjets [CBMN]

HARSCOAT SCHIAVO, Christelle

Chimie et Biologie des Membranes et des Nanoobjets [CBMN]

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Article de revue

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LWT - Food Science and Technology. 2019, vol. 113

Resumen en inglés

This work aimed at valorizing by-products of the agrifood industry: powders deriving from rapeseed press-cakes and cocoa. Novel oil-in-water emulsions stabilized by these vegetal powders were formulated and were dehydrated by freeze-drying and spray-drying. Dry emulsions of at least 40% oil content and with a moisture content below 2.6 wt% were obtained. Dry-emulsions did not exhibit any clumping even after several months of storage at room temperature, and were redispersible in water. To compare the ability of the drying process to preserve the state of dispersion, the size distributions of the oil droplets were compared before dehydration and after redispersion of the dry emulsions in an aqueous phase. Several oil-to-vegetal powder weight ratios were probed, and the impact of a solid filler -lactose- was investigated.< Leer menos

Palabras clave en inglés

Emulsions

Spray-drying

Freeze-drying

Plant material

Proyecto ANR

Analyse de Fourier multilinéaire et EDPs nonlinéaires - AFoMEN ANR-2011-JS01-001-01

Centros de investigación

CBMN : Chimie & de Biologie des Membranes & des Nano-objets - UMR 5248