Microbiological process for the preparation of methyl ketones

Details Microbiological process for the preparation of methyl ketones Microbiological process for the preparation of methyl ketones

1990-02-21

1990-09-18

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing oxygen-containing organic compound

426534, 426650, 435917, 435918, 435933, 435945, A23L 1221, C12P 726, C12R 180, C12R 1685

Patent

active

049578626

ABSTRACT:
The invention deals with a process for the preparation of C.sub.5 to C.sub.10 aliphatic methyl ketones by the aerobic biotransformation of C.sub.6 to C.sub.11 fatty acids with spores of filamentous fungi of the genus Amastigomycota. The process is carried out in an inert organic solvent with a partition coefficient between water and octane superior to 4, advantageously in a C.sub.8 to C.sub.20 aliphatic hydrocarbon or a mixture of such hydrocarbons, containing at most 20% of water.
The obtained methyl ketones may be used to strengthen taste or a flavoring agents.

REFERENCES:
patent: 3904780 (1975-09-01), Yamamoto et al.
patent: 4832964 (1989-05-01), Pratt
Enzyme Microb. Technol., 1989, 11, Feb., 106-112.
Derwent Abstract 86-150906/24 Hoeghst A. G. Deger et al DE 3444282 (6-1986).
Biotech Derwent Abs. 86-02378 Kanisawa NSKGAX, J. Jpn. Soc. Food Sci Tech (1985) 32, 11, 707-9787-90.
Biotech Derwent Abs. 89-07740 Larroche et al. Eur. Congrs. Biotech. 1987 vol. 2 197-200.
Biotech Derwents Abs 88-03455 DD-248501 (8-1987).

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