Preparation of Aroma Compounds by Microbial Transformation of Isophorone with Aspergillus niger |
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| Authors: | Yoichi Mikami Yumiko Fukunaga Masatoshi Arita Yukiteru Obi Takuro Kisaki |
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| Institution: | Central Research Institute, The Japan Tobacco and Salt Public Corporation, 6-2 Umegaoka, Midori-ku, Yokohama 227, Japan |
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| Abstract: | ( ± )-cis-γ-Irone (1a), ( ± )-cis-dihydro-γ-irone (2a) and their trans- isomers (1b, 2b) were synthesized via 3,3-(Claisen) or 2,3-sigmatropic rearrangement of 1-hydroxymethyl-3,3,4- trimethyl-1-cyclo he xene (8) derivatives as each key step. |
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| Keywords: | activated sludge DO reduction reduced sludge production community structure analysis |
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