Process for the production of solution stable alpha-amylase and liquid alpha-amylase produced thereby
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United States of America Patent
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Feb 9, 1988
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N/A
app pub date -
Nov 4, 1985
filing date -
Nov 4, 1985
priority date (Note) -
Expired
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Abstract
This invention contemplates a novel process for the preparation of solution stable alpha-amylase obtained from Bacillus licheniformis, and to the high potency liquid enzyme product prepared by this process. Typically, the enzyme-containing solution from a fermentation is concentrated and starch is added to the concentrate. Alternatively, a precipitation agent such as salt is added to the solution, and a cake containing the enzyme precipitates. The cake is then contacted with an aqueous solution containing starch to extract the enzyme out of the cake to provide a stable liquid enzyme product.
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