Extraction of caffeine from natural matter using a bio-renewable agrochemical solvent

D.V. Bermejo, P. Luna, M.S. Manic, V. Najdanovic-Visak, G. Reglero, T. Fornari

Research output: Contribution to journalArticle

Abstract

This paper reports experimental data on the pressurized liquid extraction of caffeine from green coffee beans and green tea leaves using ethyl lactate (ethyl 2-hydroxy-propanoate). This solvent is a new bio-renewable agrochemical solvent, naturally produced by fermentation from corn derived feedstock, which has been recently considered as a very suitable and environmental benign solvent for food industrial applications.

Static extraction assays (one step during 10 min) were carried out in an Accelerated solvent extraction (ASE) system at three different extraction temperatures, namely 100, 150 and 200 °C. Extraction yield and caffeine recovery were determined and compared with those obtained when using other liquid solvents, such as ethyl acetate or ethanol. High recovery of caffeine (≈60%) was found in the extracts produced using ethyl lactate, which demonstrates the potential use of this green solvent for the extraction of caffeine from different vegetable sources.
Original languageEnglish
Pages (from-to)303-309
JournalFood and Bioproducts Processing
Volume91
Issue number4
DOIs
Publication statusPublished - 1 Oct 2013

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Agrochemicals
Caffeine
agrochemicals
caffeine
lactates
Recovery
Coffee
Propionates
Vegetables
Liquids
Solvent extraction
coffee beans
liquids
Fermentation
Feedstocks
industrial applications
Industrial applications
green tea
Tea
Assays

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Bermejo, D.V. ; Luna, P. ; Manic, M.S. ; Najdanovic-Visak, V. ; Reglero, G. ; Fornari, T. / Extraction of caffeine from natural matter using a bio-renewable agrochemical solvent. In: Food and Bioproducts Processing. 2013 ; Vol. 91, No. 4. pp. 303-309.
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Extraction of caffeine from natural matter using a bio-renewable agrochemical solvent. / Bermejo, D.V.; Luna, P.; Manic, M.S.; Najdanovic-Visak, V.; Reglero, G.; Fornari, T.

In: Food and Bioproducts Processing, Vol. 91, No. 4, 01.10.2013, p. 303-309.

Research output: Contribution to journalArticle

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