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Caracterización de la producción y optimización del procesamiento de extracción de colorantes de AÑIL (Indigofera suffruticosa Mill)

Sandoval-Salas, Fabiola. Caracterización de la producción y optimización del procesamiento de extracción de colorantes de AÑIL (Indigofera suffruticosa Mill). PhD, Institut National Polytechnique de Toulouse, 2005

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Official URL: http://ethesis.inp-toulouse.fr/archive/00000235/

Abstract

In this work was found that the best stage by the añil (Indigofera suffruticosa Mill) harvesting is presented to 5 months after seedling, when the Blue Dye Powder (PDP) and indigo maxim yields were reached. The best dyes extraction conditions were : ratio raw material/solvent from 1:20 to 1:6.5, extraction time 6-8 hours, temperature : 25-35°C, extraction pH 7 by indigo extraction and 12 by both indigo and indirubin extraction, aeration time 10-30 min and aeration pH 8. The main effect of the ultrasound during the extraction was the reduction of the extraction time from 6 to 2 hours. The maxim yields obtained were 1.79 g of CAP/100 of dry weight and 3 mg of indigo/g of dry weight to pH 7 and 1.6 mg of indirubin/g of dry weight to pH 12.

Item Type:PhD Thesis
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
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Research Director:
Vilarem, Gérard and Gschaedler Mathis, Anne
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