Characterization of Astaxanthin Nanoemulsions Produced by Intense Fluid Shear through a Self-Throttling Nanometer Range Annular Orifice Valve-Based High-Pressure Homogenizer.
Molecules
; 26(10)2021 May 12.
Article
em En
| MEDLINE
| ID: mdl-34065944
ABSTRACT
Stable, oil-in-water nanoemulsions containing astaxanthin (AsX) were produced by intense fluid shear forces resulting from pumping a coarse reagent emulsion through a self-throttling annular gap valve at 300 MPa. Compared to crude emulsions prepared by conventional homogenization, a size reduction of over two orders of magnitude was observed for AsX-encapsulated oil droplets following just one pass through the annular valve. In krill oil formulations, the mean hydrodynamic diameter of lipid particles was reduced to 60 nm after only two passes through the valve and reached a minimal size of 24 nm after eight passes. Repeated processing of samples through the valve progressively decreased lipid particle size, with an inflection in the rate of particle size reduction generally observed after 2-4 passes. Krill- and argan oil-based nanoemulsions were produced using an Ultra Shear Technology™ (UST™) approach and characterized in terms of their small particle size, low polydispersity, and stability.
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Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Óleos de Plantas
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Água
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Extratos Vegetais
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Composição de Medicamentos
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Clorofíceas
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Antioxidantes
Idioma:
En
Revista:
Molecules
Ano de publicação:
2021
Tipo de documento:
Article
País de afiliação:
Estados Unidos