Bacterial polyphenol oxidase from bacillus for use in oxidation of colored substances
AssigneeNovo Nordisk A/S
InventorsTakashi Echigo, Ritsuko Ohno
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Abstract
The present invention provides polyphenol oxidases from bacteria, particularly from the genus Bacillus including, without limitation, B. licheniformis, B. natto, and B. sphaericus, In some embodiments, the polyphenol oxidase has an optimum reaction pH of about 7; an optimum reaction temperature between 60° C. and 80° C.; and a molecular weight of 51,000 measured by gel filtration chromatography. The enzymes of the invention are useful for oxidizing and/or bleaching a variety of substrates.
Claims17
A purified polyphenol oxidase derived from a bacterium of the genus Bacillus, wherein said bacterium is a strain of B. licheniformis, B. natto or B. sphaericus.
An isolated Bacillus licheniformis strain SD3003 (FERM BP-5801).
Dependencies are inferred from the claim text.