Síntesis, caracterización, evaluación de la estabilidad y cinética de liberación de caroteno encapsulado en nanocápsulas de fibra

Autores/as

  • S. Sen Gupta Department of Chemical Technology, University of Calcutta
  • M. Ghosh Department of Chemical Technology, University of Calcutta

DOI:

https://doi.org/10.3989/gya.0226151

Palabras clave:

Carotenoides, Cinética de liberación, Estabilidad, Fibra isabgol, Liberación, Nanocápsulas

Resumen


En el presente trabajo los carotenos fueron aislados (1,2%) a partir de aceite de palma crudo y encapsulados con fibra de isabgol (cáscara de psyllium). La eficiencia de encapsulación fue 82,23±1,42 %. La morfología de las cápsulas mostró una textura áspera de la superficie con mínimos poros. La naturaleza amorfa de las nanocápsulas fue evidenciada a partir de patrones de difracción de rayos X. Los estudios de DSC mostraron una alta estabilidad térmica de las nanocápsulas entre 20–120 °C. En los estudios de liberación in vitro se vió que la liberación controlada de las nanocápsulas se podría lograr mediante fibra isabgol como encapsulante. Sin embargo se observó que las nanocápsulas siguieron un patrón de difusión no- Fickian. Se observaron buenas actividades DPPH captadoras de radicales y actividades de quelación de metal para carotenoides encapsulados. Los estudios sobre la vida útil mostraron que las nanocápsulas se degradan gradualmente con una humedad relativa del 97%, y aunque la humedad indujo el enranciamiento, este hecho no se puede generalizar.

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Publicado

2015-12-30

Cómo citar

1.
Sen Gupta S, Ghosh M. Síntesis, caracterización, evaluación de la estabilidad y cinética de liberación de caroteno encapsulado en nanocápsulas de fibra. Grasas aceites [Internet]. 30 de diciembre de 2015 [citado 28 de julio de 2026];66(4):e104. Disponible en: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1570

Número

Sección

Investigación