Infusing bag containing combination of dried extract and ligneous adsorbent and process of preparing same
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United States of America Patent
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May 20, 1980
Issued Date -
N/A
app pub date -
Mar 22, 1979
filing date -
Jul 29, 1977
priority date (Note) -
Expired
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Abstract
An aqueous extract of a vegetable material is treated with a view to reducing its caffeine and/or chlorogenic acid content. The treatment is with a solid ligneous adsorbent of vegetable origin in divided form at a temperature of from 0.degree. to 100.degree. C. so as to absorb the caffeine and the chlorogenic acid. The combination of extract and ligneous adsorbent is dried by freeze-drying. The dried combination is thereafter introduced into infusing bags. On infusing the bags in hot water, an extract is obtained in partially decaffeinated and partially deacidified form.
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