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Title:
METHOD FOR PRODUCING HYALURONIC ACID
Document Type and Number:
WIPO Patent Application WO/2010/010631
Kind Code:
A1
Abstract:
It is intended to provide a method for simply producing hyaluronic acid in high yield. Further, it is also intended to provide a method for producing hyaluronic acid in a short time. According to the invention, the method for producing hyaluronic acid including the steps of: culturing a microorganism having an ability to product hyaluronic acid; and adding glutamine and arginine to a culture solution at a late logarithmic growth stage of the microorganism is provided.

Inventors:
HASHIMOTO MASAMICHI (JP)
KAKEMA TERUAKI (JP)
FUJII KENJI (JP)
IKEMI MASAHISA (JP)
Application Number:
PCT/JP2008/063427
Publication Date:
January 28, 2010
Filing Date:
July 25, 2008
Export Citation:
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Assignee:
DENKI KAGAKU KOGYO KK (JP)
HASHIMOTO MASAMICHI (JP)
KAKEMA TERUAKI (JP)
FUJII KENJI (JP)
IKEMI MASAHISA (JP)
International Classes:
C12P19/26; C08B37/00
Foreign References:
JPH0746992A1995-02-21
JPS63141594A1988-06-14
JPH0412960B21992-03-06
JPH0746992A1995-02-21
JPS62289198A1987-12-16
JPS63141594A1988-06-14
Other References:
LOWTHER D.R. ET AL.: "The role of glutamine in the biosynthesis of hyaluronate by streptococcal suspencions", BIOCHEM. J., vol. 62, no. 2, 1956, pages 304 - 314, XP008141973
BLANK L.M. ET AL.: "Stable production of hyaluronic acid in Streptococcus zooepidemicus chemostats operated at high dilution rate", BIOTECHNOL. BIOENG., vol. 90, no. 6, 20 June 2005 (2005-06-20), pages 685 - 693, XP002464474
See also references of EP 2311971A4
Attorney, Agent or Firm:
SONODA, Yoshitaka et al. (JP)
Yoshitaka Sonoda (JP)
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