ECSP982703A - PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF - Google Patents

PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF

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Publication number
ECSP982703A
ECSP982703A ECSP982703A ECSP982703A EC SP982703 A ECSP982703 A EC SP982703A EC SP982703 A ECSP982703 A EC SP982703A EC SP982703 A ECSP982703 A EC SP982703A
Authority
EC
Ecuador
Prior art keywords
lutein
isomerization
zeaxantine
procedure
product obtained
Prior art date
Application number
Other languages
Spanish (es)
Inventor
San Vicente Ernesto Ridaura
Correa Oscar Ruben Garcia
Naranjo Armando Prado
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to ECSP982703 priority Critical patent/ECSP982703A/en
Publication of ECSP982703A publication Critical patent/ECSP982703A/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Se describe un procedimiento de ixomerización de luteina a zeaxantina que incluye una etapa de saponificación o tratamiento con álcali de un extracto vegetal que contiene luteína, seguida de una etapa de calentamiento bajo condiciones controladas se lleva a cabo en presencia de un agente tensoactivo que tiene un balance hidrofílico-lipofilico de 1 a 40 como catalizador para la reacción de isomerización de Luteína a Zexantina a una temperatura de 70 a 140 C, obteniéndose un producto de reacción con altas concentraciones de zeaxantina de hasta 80% con respecto a los carotenoides totales.A process of ixomerization of lutein to zeaxanthin is described which includes a step of saponification or alkali treatment of a plant extract containing lutein, followed by a step of heating under controlled conditions is carried out in the presence of a surfactant having a hydrophilic-lipophilic balance from 1 to 40 as a catalyst for the reaction of Lutein to Zexanthin isomerization at a temperature of 70 to 140 C, obtaining a reaction product with high concentrations of zeaxanthin up to 80% with respect to the total carotenoids.

ECSP982703 1998-10-20 1998-10-20 PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF ECSP982703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP982703 ECSP982703A (en) 1998-10-20 1998-10-20 PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP982703 ECSP982703A (en) 1998-10-20 1998-10-20 PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF

Publications (1)

Publication Number Publication Date
ECSP982703A true ECSP982703A (en) 1999-04-21

Family

ID=42043621

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP982703 ECSP982703A (en) 1998-10-20 1998-10-20 PROCEDURE FOR THE ISOMERIZATION OF LUTEIN TO ZEAXANTINE, AND THE PRODUCT OBTAINED THEREOF

Country Status (1)

Country Link
EC (1) ECSP982703A (en)

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