Influence of Culture Conditions on the Biotransformation of (+)-Limonene by Aspergillus niger

The influence of the cultivation system and of the culture medium on the biotransformation of (+)-limonene by a strain of Aspergillus niger was investigated. Biooxidation products were obtained in all conditions tested. Using a laboratory bioreactor, six terpenes were identified in every medium, pre...

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Published inZeitschrift für Naturforschung C. A journal of biosciences Vol. 69; no. 1; pp. 61 - 67
Main Authors García-Carnelli, Carlos, Rodríguez, Paula, Heinzen, Horacio, Pilar Menéndez, Pilar
Format Journal Article
LanguageEnglish
Published Germany Verlag der Zeitschrift für Naturforschung 01.01.2014
Subjects
Aspergillus niger
Aspergillus niger - metabolism
Bioreactors
Biotransformation
Culture Media
Cyclohexenes - metabolism
Fungal Biotransformation
Limonene
Terpenes - metabolism
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Summary:The influence of the cultivation system and of the culture medium on the biotransformation of (+)-limonene by a strain of Aspergillus niger was investigated. Biooxidation products were obtained in all conditions tested. Using a laboratory bioreactor, six terpenes were identified in every medium, predominantly terpineols and carveols, whereas terpinen-4-ol and perillyl alcohol were the only terpenes found when flasks were used for culture. Perillyl alcohol and carveols predominated when the medium was tryptic soy broth (TSB), whereas the formation of terpineols was clearly favoured in malt broth (MB). Thus, there was a marked influence of the culture conditions on the results of the biotransformation. Changes in the conditions led to variations both in the type and relative amount of products obtained.
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ISSN:0939-5075
1865-7125
DOI:10.5560/znc.2013-0048