A process for preparing a concentrated spinach extract with a polyphenol content equal to or greater than 50%, including the stage of purifying the total spinach extract by liquid extraction of edible oil, and dye products.
Procedure for the preparation of a Concentrated extract of Spinach, which includes the purification of a Crude extract of Spinach Liquid by Liquid liquid extraction with an Edible Oil and PR;Coloring product.Procedimiento de preparación de un extracto concentrado de espinaca que comprende la purificación de un extracto bruto de espinaca líquida por extracción líquido-líquido con un aceite comestible; y producto colorante.