Techno-economic evaluation of the extraction of turmeric (Curcuma longa L.) oil and ar-turmerone using supercritical carbon dioxide

Autor(es)

Carvalho, Pedro I. N. ; Felipe Osorio-Tobon, J. ; Rostagno, Mauricio A. ; Petenate, Ademir J. ; Meireles, M. Angela A.

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF SUPERCRITICAL FLUIDS; v. 105, p. 11-pg., 2015-10-01.

Resumo

Extracting volatile compounds using supercritical carbon dioxide (scCO(2)) is one of the most interesting applications of supercritical technology because of the high solubility of these substances in CO2. Supercritical carbon dioxide extraction (SFE) has been applied for obtaining extracts from several vegetable matrices, including turmeric (Curcuma longa L.), due to its valuable volatile oil. However, a technoeconomic evaluation of turmeric oil and ar-turmerone extraction has not yet been performed. Therefore, the effects of temperature, pressure and process time on the extract yield, relative ar-turmerone yield and manufacturing cost were evaluated in this work. Turmeric rhizomes were ground, sieved and placed in contact with scCO(2) flowing at 8.4 x 10(-3) kg/min in a laboratory scale SFE unit. Major compounds in the extracts were identified and quantified by gas chromatography. The manufacturing cost (COM) of the extracts was estimated using a model cost developed in the simulator SuperPro Designer 8.5 (R). Using SFE led to high yields of extract and ar-turmerone. Fast extraction combined with relatively low solvent consumption were observed. Yields of 6.4% and 1.02% of extract and ar-turmerone, respectively, were obtained at 333 K and 25 MPa for a solvent mass to feed mass ratio of 1.31. For these conditions, the lowest manufacturing cost (COM = US$ 178.8/kg extract) was estimated for a unit containing two 0.005-m(3) extractors. (C) 2015 Elsevier B.V. All rights reserved. (AU)

• Processo FAPESP: 13/20758-5 - Extração do óleo volátil de cúrcuma (Cúrcuma longa L.) com dióxido de carbono supercrítico: estudo da extração em diferentes geometrias de leito e configurações operacionais
• Beneficiário: Pedro Ivo Nunes de Carvalho
• Modalidade de apoio: Bolsas no Brasil - Doutorado Direto
• Processo FAPESP: 13/04304-4 - Desenvolvimento de sistemas integrados para a análise de compostos bioativos em produtos naturais utilizando tecnologia supercrítica
• Beneficiário: Maurício Ariel Rostagno
• Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores
• Processo FAPESP: 12/10685-8 - Combinação/acoplamento de processos para a produção e encapsulamento de extratos vegetais de alto valor agregado: avaliação técnica e econômica
• Beneficiário: Maria Angela de Almeida Meireles Petenate
• Modalidade de apoio: Auxílio à Pesquisa - Regular