Process for preparation of powdery extract of shiitake mushroom
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United States of America Patent
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Jul 14, 1998
Grant Date -
N/A
app pub date -
Sep 11, 1996
filing date -
Dec 25, 1995
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Abstract
A process for preparation of a powdery extract of a shiitake mushroom including the steps of adding a cyclodextrin solution to a shiitake mushroom extract obtained by concentrating a hot water extract of fragments of a shiitake mushroom, kneading the mixture of the cyclodextrin solution and the shiitake mushroom extract to afford a cyclodextrin clathrate and drying and pulverizing the cyclodextrin clathrate. The powdery extract of a shiitake mushroom thus obtained contains all the active ingredients, such as physiologically active substances that are present in the hot water extract of the shiitake mushroom, and in such a condition that the active ingredients are clathrated in the cyclodextrin stably.
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