Journal
JOURNAL OF FOOD ENGINEERING
Volume 54, Issue 4, Pages 283-288Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0260-8774(01)00214-X
Keywords
Pseudomonas aeruginosa; rhamnolipid; soapstock; vegetable oil
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A new bacterial strain, was isolated from petroleum contaminated soil, identified and named Pseudomonas aeruginosa strain LBI. The new strain produced surface-active rhamnolipids by batch cultivation in a mineral salts medium with soapstock as the sole carbon source. Biosurfactant production increased after nitrogen depletion. The maximum rhamnolipid concentration, 15.9 g/l, was reached when it was incubated in a bioreactor with a constant K(L)a of 169.9 h(-1). (C) 2002 Elsevier Science Ltd. All rights reserved.
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