Salmon-origin chondroitin sulfate
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United States of America Patent
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Issued Date -
Aug 28, 2003
app pub date -
Dec 17, 2002
filing date -
Mar 2, 2000
priority date (Note) -
Abandoned
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Abstract
A novel chondroitin sulfate which can be produced more economically in a large amount and is expected as being useful for various purposes and processes for producing the same. Namely, a novel chondroitin sulfate which has an intermediate structure between the conventionally known whale-origin chondroitin sulfate and shark-origin chondroitin sulfate and is expected as useful for various purposes in the fields of drugs, cosmetics, food additives, etc. A process for producing the above-described chondroitin sulfate comprises grinding salmon nasal cartilage at a low temperature, defatting the ground matter, then treating it with an alkali and pronase, centrifuging the thus obtained liquid digested matter and then precipitating it from ethanol; and another process wherein the precipitate thus obtained is further treated with a cation exchange resin.
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