Oral skin improving agent, skin improving method, and food composition for improving skin
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United States of America Patent
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May 20, 2003
Grant Date -
Mar 13, 2003
app pub date -
Mar 11, 2002
filing date -
Mar 27, 2001
priority date (Note) -
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Abstract
There are provided an oral skin improving agent that exhibits good skin improving effects when orally ingested, suppresses problems of discoloration and generation of unpleasant odor during storage, and has excellent storage stability; a food composition for improving skin containing this skin improving agent; and a skin improving method. The oral skin improving agent contains as a principal component refined hyaluronic acid having a purity of at least 90%, preferably at least 95%, and an average molecular weight in a range of 750,000 to 1,200,000, preferably 800,000 to 1,000,000. A person's skin can be improved by having the person ingest the oral skin improving agent such that the ingestion amount thereof is at least 5 mg per day.
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