2014
DOI: 10.18257/raccefyn.127
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Optimización de la extracción de antioxidantes de Salvia officinalis L. con CO2 supercrítico

Abstract: ResumenSe aplicó un diseño factorial fraccionado 2 7-2 para seleccionar las variables con mayor efecto sobre la capacidad antioxidante, el contenido de fenoles y el rendimiento de la extracción utilizando CO 2 supercrítico como solvente sobre hojas y tallos de Salvia officinalis L. El tiempo de extracción, el flujo de CO 2 , la presión de la cámara de extracción y la temperatura de separación se modificaron según el procedimiento simplex para hallar empíricamente las condiciones que produjeran extractos de sal… Show more

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Cited by 2 publications
(1 citation statement)
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“…The ORAC value for the TPC extraction under the most favorable conditions was 490 (±54) TE µmol/LE g. This value is 1.09 and 3.65 times higher than that reported for supercritical extracts of hibiscus (ET 450 ± 16 TE µmol / LE g) [47] and green Lavender (ET 134.06 ± 13.69 TE µmol/LE g) [41] respectively. On the other hand, it is noteworthy that this value is only 1.38 and 1.09 times lower than that reported by Martínez [48] for commercial synthetic antioxidants like BHT ( 678±10 TE µmol/LE g) and vitamin-E (536 ± 8 TE µmol/g vitamin-E). respectively.…”
Section: Antioxidant Capacitycontrasting
confidence: 56%
“…The ORAC value for the TPC extraction under the most favorable conditions was 490 (±54) TE µmol/LE g. This value is 1.09 and 3.65 times higher than that reported for supercritical extracts of hibiscus (ET 450 ± 16 TE µmol / LE g) [47] and green Lavender (ET 134.06 ± 13.69 TE µmol/LE g) [41] respectively. On the other hand, it is noteworthy that this value is only 1.38 and 1.09 times lower than that reported by Martínez [48] for commercial synthetic antioxidants like BHT ( 678±10 TE µmol/LE g) and vitamin-E (536 ± 8 TE µmol/g vitamin-E). respectively.…”
Section: Antioxidant Capacitycontrasting
confidence: 56%