Process for production of C.sub.10 and/or C.sub.12 gamma-lactone

Details Process for production of C.sub.10 and/or C.sub.12 gamma-lactone Process for production of C.sub.10 and/or C.sub.12 gamma-lactone

1995-02-02

1995-10-10

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

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

Preparing heterocyclic carbon compound having only o, n, s,...

435822, C12P 1704

Patent

active

054570360

ABSTRACT:
Described is a process for producing C.sub.10 and/or C.sub.12 gamma-lactones from the corresponding C.sub.10 and/or C.sub.12 carboxylic acids by use of microorganisms of the genus Mortierella, whereby a culture of the genus Mortierella is grown in a medium containing a carbon source, nitrogen source, inorganic salts, vitamins and growth factors and wherein the carboxylic acid feed rate is controlled by the response of the dissolved oxygen level in culture medium in the presence of mineral oil (liquid white paraffin oil, U.S.P. or technical grade having a specific gravity of from 0.830 up to 0.905 at 60.degree. F. and a viscosity of from 50 up to 400 Sayboldt Seconds at 100.degree. F., a mixture of liquid C.sub.15 -C.sub.50 saturated hydrocarbons).

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patent: 5112803 (1992-05-01), Farbood et al.
patent: 5219742 (1993-06-01), Cheetham et al.
patent: 5274128 (1993-12-01), Farbood et al.
Campanelli and Cooper, The Canadian Journal of Chemical Engineering, vol. 67, Oct. 1989, pp. 851-855, Title: "Interfacial Viscosity and the Stability of Emulsions".
Wenninger and McEwen, International Cosmetic Ingredient Dictionary, Fifth Edition 1993, vol. 1, published by The Cosmetic, Toiletry and Fragrance Association, pp. 415, 416 and 417.

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