Abstract

A crude acetone powder preparation from the red alga Corallina vancouveriensis has been found to serve as a convenient source of bromoperoxidase. This acetone powder (CVAP) catalyses the bromination of phenols in the presence of H 2O 2 and bromide. Conversion of substrate to product(s) is usually rapid and in high yield. The enzyme in the form of CVAP exhibits significantly greater stability than either the cell-free extract or purified bromoperoxidase. CVAP may be useful as a general source of bromoperoxidase and may extend the utility of this enzyme as a chemoenzymatic reagent.

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