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The serum fraction of latex from Hevea brasiliensis, the para rubber tree, is known to contain an endo-chitinolytic enzyme, hevamine. Herein the activity of the rubber serum towards β-chitin is investigated. The serum contained 6mg/mL of protein and a chitinolytic activity of 18mU permg of protein. The optimum ratio of enzyme to chitin was 0.22mU/mg, and the optimum substrate concentration was 60mg/mL...
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