Functional properties of palm-pressed mesocarp fiber and its blends: β-carotene bio-accessibility from red palm olein and cholesterol adsorption capacity

S.S.  Teh; H.L.N.  Lau

doi:10.3989/gya.0212261.2410

Autores/as

S.S. Teh Energy and Environment Unit, Engineering and Processing Division, Malaysian Palm Oil Board https://orcid.org/0000-0002-5139-5001
H.L.N. Lau Energy and Environment Unit, Engineering and Processing Division, Malaysian Palm Oil Board https://orcid.org/0000-0002-5355-8724

DOI:

https://doi.org/10.3989/gya.0212261.2410

Palabras clave:

Disponibilidad de nutrientes, Ingredientes alimentarios funcionales, Mezclas de fibra dietética, Psyllium, Salvia hispánica

Resumen

La fibra de mesocarpio prensada de palma (PPMF), un subproducto de la extracción del aceite de palma, es una fuente sostenible de fibra dietética con aplicaciones potenciales en alimentos a base de lípidos. Este estudio evaluó la bioaccesibilidad in vitro del β-caroteno de la oleína de palma roja incorporada con PPMF y su capacidad de adsorción de colesterol (CAC) utilizando un modelo de digestión estática. Se incluyeron cáscara de psyllium (PH), semilla de chía (CS) y sus mezclas con PPMF para comparación. La bioaccesibilidad del β-caroteno varió del 77 al 110% a lo largo de las fases gastrointestinales, comparable a la de PH y CS. Los valores superiores al 100% representan una bioaccesibilidad aparente, probablemente debido a una mejor dispersión de lípidos e incorporación micelar. La PPMF sola tuvo una CAC menor (22 mg/g) que PH y CS (~60 mg/g), mientras que las mezclas con mayor contenido de PH o CS mejoraron significativamente la CAC, lo que podría reducir la absorción de colesterol. Estos hallazgos indican que el PPMF y sus mezclas pueden funcionar como ingredientes funcionales que favorecen la liberación de carotenoides y la capacidad de unión al colesterol en sistemas lipídicos, destacando su valor para formulaciones sostenibles y que promueven la salud.

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