Cold-pressed pumpkin seed (<em>Cucurbita pepo</em> L.) oils from the central Anatolia region of Turkey: Characterization of phytosterols, squalene, tocols, phenolic acids, carotenoids and fatty acid bioactive compounds

G. Akin; F. N. Arslan; S. N. Karuk Elmasa; I. Yilmaz

doi:10.3989/gya.0668171

Autores/as

G. Akin Karamanoglu Mehmetbey University https://orcid.org/0000-0001-7477-3186
F. N. Arslan Karamanoglu Mehmetbey University https://orcid.org/0000-0002-5748-8268
S. N. Karuk Elmasa Karamanoglu Mehmetbey University https://orcid.org/0000-0002-1661-5902
I. Yilmaz Karamanoglu Mehmetbey University https://orcid.org/0000-0002-9447-3065

DOI:

https://doi.org/10.3989/gya.0668171

Palabras clave:

Aceite prensado en frío, Ácidos fenólico, Actividad antioxidante, Compuestos bioactivos, Cucurbita pepo L., Perfil de Tocoles

Resumen

Existe un interés creciente en los aceites prensados en frío, ya que presentan altos contenidos de compuestos bioactivos. Estos aceites tienen las propiedades características de las semillas y son productos específicos de las regiones. El objetivo de este estudio fue determinar las composiciones y contenidos de ácidos grasos, fitoesteroles, escualeno, tocoles, ácidos fenólicos, carotenoides y bioactivos fenólicos, la actividad de eliminación de radicales libres, así como las actividades antioxidantes de aceites de semillas de calabaza prensados en frío (Cucurbita pepo L.). Las muestras de aceite de semillas de calabaza cultivadas en cuatro regiones diferentes de Anatolia central de Turquía se prepararon utilizando una máquina de laboratorio de prensado mediante tornillo. Los resultados indican que los aceites de semilla de calabaza prensados en frío (PSO) tienen una excelente calidad, con altos contenidos de ácidos grasos poliinsaturados (%ΣPUFA) (53,60±0,06–53,73±0,05), fitoesteroles totales (782,1±9,7–805,2±11,3 mg/100 g de aceite), escualeno (591,3 ± 10,6–632,5 ± 11,4 mg/100 g de aceite), tocols (97,79±0,76–94,29±0,34 mg/100 g de aceite), ácidos fenólicos (22,73 ± 0,41–23,98 ± 0.46 mg/100 g de aceite), carotenoides (6,95 ± 0,03–7,60 ± 0,03 mg/100 g de aceite), fenólico total (3,96 ± 0,13–5,82 ± 0,15 mg GAE / 100 g), actividad de eliminación de radicales libres (5,70 ± 0,13–7,35 ± 0,15 mg GAE/100 g) y la actividad antioxidante total (26,67±0,97–38,89 ± 1,41 mg GAE/100 g) valores. Por lo tanto, el estudio demuestra que los PSO prensados en frío de las regiones centrales de Anatolia de Turquía son una excelente fuente de compuestos bioactivos naturales, químicamente libres de contaminantes y nutritivos.

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