Process for preparing protein-bound melanin and/or peptide bound melanin, and products thereof
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United States of America Patent
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Nov 13, 2001
Issued Date -
N/A
app pub date -
Sep 15, 2000
filing date -
Mar 17, 1999
priority date (Note) -
Expired
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Abstract
A process is provided for preparing protein- and/or peptide-bound melanin, which is soluble in an aqueous solution at pH 2 to 11 and temp 0.degree. C. to 50.degree. C., by the steps of reacting dihydroxyphenylalanine or tyrosine with an oxidant enzyme in the presence of an acidic protein and/or peptide having a pl of 3-6. The soluble protein- and/or peptide-bound melanin of this invention is useful as a sunscreen and as a coloring and/or flavoring for food.
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