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Appl. Environ. Microbiol., Feb 1995, 650-655, Vol 61, No. 2
Copyright © 1995, American Society for Microbiology

Bioacetylation of Seaweed Alginate

JW Lee and DF Day
Department of Microbiology and Audubon Sugar Institute, Louisiana State University, Baton Rouge, Louisiana 70803

Seaweed alginate was acetylated by intact, resting cells of Pseudomonas syringae ATCC 19304. Maximum acetylation of this polymer occurred at a pH of 6.0 and a temperature of 25 deg C. Aeration and gluconic acid were required for an optimal reaction. A reactor which contained carbon-immobilized cells was constructed to continuously acetylate alginate. The maximal yield of acetylation was about 90%, and the half-life of this system was 6.5 days.




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Copyright © 1995 by the American Society for Microbiology. All rights reserved.