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Pickering emulsions based on food byproducts: A comprehensive study of soluble and insoluble contents.
Huc-Mathis, D; Almeida, G; Michon, C.
Afiliação
  • Huc-Mathis D; Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91300 Massy, France. Electronic address: delphine.huc@agroparistech.fr.
  • Almeida G; Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91300 Massy, France.
  • Michon C; Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91300 Massy, France.
J Colloid Interface Sci ; 581(Pt A): 226-237, 2021 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-32771734
ABSTRACT

HYPOTHESIS:

Pickering emulsions can be produced using raw particles obtained from uncracked vegetal food byproducts as sole stabilizers. The complexity brought by these non-purified ingredients will be their strength since insoluble particles and soluble compounds shall display good complementary properties, at the interface and the continuous phase. EXPERIMENTS Emulsions were monitored over a one-month storage as regards to oil droplet diameter as main indicator of stability. Then, two main studies were carried out 1) on the whole powders (water binding capacity, dry matter and insoluble content, size and morphology); 2) on the soluble content (size, charge, pH, Brix degree, surface tension measurements).

FINDINGS:

All byproducts stabilized-emulsions were stable during storage. They display various oil droplet sizes with sugar beet < apple < oat. Direct observation of the oil-water interfaces showed adsorption of the solid particles, and some voids corresponding to soluble elements from the byproducts' powders. The latter displayed surface-active properties. The insoluble particles are driving the oil droplet size and protecting against coalescence while soluble compounds can also adsorb at the interface, lowering droplet size, and also act as thickening agents from the continuous phase (pectins). Vegetal byproducts are thus meta ingredients, able to stabilize clean-label emulsions.
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: J Colloid Interface Sci Ano de publicação: 2021 Tipo de documento: Artigo

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: J Colloid Interface Sci Ano de publicação: 2021 Tipo de documento: Artigo