Production of sophorolipid acetate acids from oils or esters

Details Production of sophorolipid acetate acids from oils or esters Production of sophorolipid acetate acids from oils or esters

1993-06-18

1999-05-04

Lankford, Jr., Leon B.

Chemistry: molecular biology and microbiology

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

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

435124, 435134, 435137, 435171, 435 72, 435249, 4352554, C12P 1712, C12P 1702

Patent

active

059003669

ABSTRACT:
A process for the fed batch production of a sophorolipid composition is described, in which culturing takes place of at least one Candida bombicola strain in a culture medium incorporating a sugar and a nitrogen source and said cultured strain is exposed in a reaction zone to a supply of an appropriate substrate under adequate aeration, temperature and pH conditions and at least once the following sequence is performed: a) the strain is continuously supplied with substrate at a supply rate in the reaction zone between 0.01 and 4 grams per hour and per liter of initial reaction volume and for a supply time such that the residual substrate concentration in the reaction zone is maintained at a value at the most equal to 18 grams per liter of initial reaction volume during said supply time; and b) the sophorolipid composition produced is recovered; the process being characterized in that the substrate essentially consists of at least one animal oil, at least one vegetable and/or at least one ester of said oil, said oils and said ester incorporating an aliphatic linear chain with 10 to 24 carbon atoms.

REFERENCES:
patent: 3205150 (1965-09-01), Spencer et al.
patent: 3312684 (1967-04-01), Spencer et al.
patent: 3445337 (1969-05-01), Spencer et al.
patent: 3622344 (1971-11-01), Allingham
patent: 4753885 (1988-06-01), Dietsche et al.
Hans-Joachim Asmer et al., "Microbial Production, Structure Elucidation, and Bioconversion of Sophorose Lipids," Journal of the American Oil Chemists'Society, vol. 65, No. 9, Sep. 1988, pp. 1460-1466.

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