Biotransformation of (R)-(+)-lLimonene by the psychrotrophic fungus Mortierella minutissima in H2O2-oxygenated culture

Summary: The aim of the present work is to investigate an integration of a microbial reaction system for the oxidation of limonene using a psychrotrophic strain with an unconventional oxygenation of the culture. The alternative method for increasing the dissolved oxygen concentration in culture medi...

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Permalink: http://skupnikatalog.nsk.hr/Record/nsk.NSK01000736213/Details
Matična publikacija: Food technology and biotechnology
47 (2009), 2 ; str. 131-136
Glavni autor: Trytek, Mariusz (-)
Ostali autori: Fiedurek, Jan (-), Skowronek, Marcin
Vrsta građe: Članak
Jezik: eng
Predmet:
Online pristup: Food Technology and Biotechnology
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100 1 |a Trytek, Mariusz 
245 1 0 |a Biotransformation of (R)-(+)-lLimonene by the psychrotrophic fungus Mortierella minutissima in H2O2-oxygenated culture /  |c Mariusz Trytek, Jan Fiedurek, Marcin Skowronek. 
300 |b Ilustr. 
504 |a Bibliografija: 35 jed 
520 8 |a Summary: The aim of the present work is to investigate an integration of a microbial reaction system for the oxidation of limonene using a psychrotrophic strain with an unconventional oxygenation of the culture. The alternative method for increasing the dissolved oxygen concentration in culture media for biotransformation of R-(+)-limonene by Mortierella minutissima 01 is based on catalase-mediated decomposition of hydrogen peroxide (H2O2) into oxygen and water. Automated addition of H2O2 into the bioreactor made it possible to keep the dissolved oxygen concentration constant over a range from 5 to 100 % (±2 %). Perillyl alcohol and perillyl aldehyde were the main products of the limonene biotransformation. The amounts of perillyl alcohol produced during H2O2-oxygenated culture of M. minutissima 01 were over 2-fold higher in comparison with classical, stirred aeration. Some factors affecting the biotransformation yield were also investigated. The addition of 0.3 % methanol enhanced 1.4-fold the perillyl alcohol production by M. minutissima 01. A maximum yield of this product (258.1 mg/L) was observed between 2 and 3 days of cultivation in a medium containing 0.5 % substrate at 15 °C, pH=6.0. The bioconversion activity increased over 3.6-fold after optimization of some biotransformation conditions 
653 0 |a Mortierella minutissima  |a Vodikov peroksid  |a Limonen  |a Perilil alkohol 
700 1 |a Fiedurek, Jan 
700 1 |a Skowronek, Marcin 
773 0 |t Food technology and biotechnology  |x 1330-9862  |g 47 (2009), 2 ; str. 131-136  |w nsk.(HR-ZaNSK)000174173 
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