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Title: Bioconversions of citral and (±)-citronellal by Saccharomyces cerevisae-2415
Authors: Chatterjee, T
De, B K
Bhattacharyya, D K
Issue Date: Sep-1999
Publisher: NISCAIR-CSIR, India
Abstract: Microbial transformation of citral and (±)-citronellal to geraniol and (+)-citronellol have been carried out by the yeast Saccharomyces cerevisae-2415. The bioreductions are catalyzed by the whole-cell organism in liquid medium containning maltose, yeast extract, peptone and mineral salts at pH 5.2 and at a temperature of 30-32oC. The optimum time, temperature, pH and growth of the organism with respect to yield of the alcohols have been established. The biotransformation products have been isolated and their structures determined by FTIR, 1H and 13C NMR and GC-MS spectra. The study offers an easy method for converting citral and (±)-citronellal to their corresponding alcohols geraniol and (+)-citronellol, respectively at satisfactorily high yields (64 to 68 %).
Page(s): 1025-1029
Appears in Collections:IJC-B Vol.38B(09) [September 1999]

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