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Biotransformation of [-]-menthol by spores of Mucor ramannianus and study of the pathways involved

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Esmaeili A., Saad N., Safaiyan S., Rustaiyan A.

Herba Polonica

2009

tom 55

nr 2

51-58

The biotransformation of (–)–menthol by Mucor ramannianus was studied. It was carried out with sporulated surface cultures of Mucor ramannianus. The main bioconversion products obtained from (–)–menthol were trans-p-menthan-8-ol, trans-menth-2-en-1-ol, sabinane, pmenthane- 3,8-diol, isomenthol, and 1,8-cineole, also resulting in higher yields. Biotransformation with sporulated surface cultures was also monitored in Petri dishes and the same solid medium, Sabouraud Dextrose Agar (SD A), was used. In the solid agar medium inoculated with spores of Mucor ramannianus, first germination of the spores and then mycelial growth took place. After 1 week, the surfaces of Petri dishes were covered with spores and biotransformation reaction had started. However, there is no report on the biotransformation of (-)-menthol using Mucor ramannianus. Six isolates (93.6%) found Mucor ramannianus as a biocatalyst and biotransformation of (–)–menthol was investigated. The pathways involved in the biotransformation of (–)–menthol by two main products are also discussed.

Ograniczanie wyników

1 Herba Polonica

1 Esmaeili A.

1 Rustaiyan A.

1 Saad N.

1 Safaiyan S.

1 2009

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Biotransformation of [-]-menthol by spores of Mucor ramannianus and study of the pathways involved