Novel method for aroma recovery from the bioconversion of lutein to beta-ionone by Trichosporon asahii using a mesoporous silicate material

Applied Microbiology and Biotechnology
Eduardo Rodríguez-BustamanteS Sanchez

Abstract

In this work, we report on the synthesis and ability of the mesoporous material MCM-41 to adsorb the norisoprenoid beta-ionone. This compound, with a violet aroma note, can be produced from lutein by the yeast Trichosporon asahii through a bioconversion process. We found that beta-ionone inhibited the yeast growth and constrained aroma formation. Growth inhibition was overcome using silicate MCM-41 as sorbent device in a fermentation system that allowed product removal from the culture medium by headspace manipulation. Compared to a commercial silica gel, the mesoporous material exhibited a 4.5-fold higher beta-ionone adsorption. Contrasting to cultures without the sorbent device, the presence of MCM-41 allowed a marked increase (14-fold) in beta-ionone production. Our results suggested that confinement of the norisoprenoid into the sorbent material bypassed its toxicity which allowed a better beta-ionone production. This study represents the first report on the use of MCM-41 to recover an aroma produced by fermentation and therefore, a novel application for a mesoporous material.

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Citations

Apr 25, 2009·Applied Microbiology and Biotechnology·Eduardo Rodríguez-BustamanteSergio Sánchez
May 8, 2016·Applied Microbiology and Biotechnology·Vicente F CataldoEduardo Agosin
Jul 27, 2007·Critical Reviews in Microbiology·E Rodríguez-Bustamante, S Sánchez
Mar 12, 2010·BMC Bioinformatics·Tetyana IvanovskaLars Linsen

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