Continuous preparation of flavour-active acetate esters by direct biocatalytic esterification
Articolo
Data di Pubblicazione:
2019
Citazione:
Continuous preparation of flavour-active acetate esters by direct biocatalytic esterification / I. Chiarelli Perdomo, M. Letizia Contente, A. Pinto, D. Romano, P. Fernandes, F. Molinari. - In: FLAVOUR AND FRAGRANCE JOURNAL. - ISSN 0882-5734. - (2019). [Epub ahead of print]
Abstract:
Mycelium-bound lipase(s) from Aspergillus oryzae catalysed direct esterification of isoamyl alcohol and cinnamyl alcohol with acetic acid in organic solvent, showing high stability towards substrates and products. Water produced during the esterification did not significantly affect the equilibrium of the reaction, allowing for high conversions. These features were exploited for preparing flavour-active acetate esters (isoamyl and cinnamyl acetate) in batch and continuous systems. A continuous stirred tank membrane reactor (CST-MR) was developed securing good reactor productivity and high biocatalyst stability.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Aspergillus oryzae; biocatalysis; continuous reactor; enzymatic acetylation; flavour esters
Elenco autori:
I. Chiarelli Perdomo, M. Letizia Contente, A. Pinto, D. Romano, P. Fernandes, F. Molinari
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