Title:
WATER-SOLUBLE HYALURONIC ACID GEL AND PRODUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/262381
Kind Code:
A1
Abstract:
In this water-soluble hyaluronic acid gel production method, a water-soluble hyaluronic acid gel is provided which can be produced with high productivity and without the need for a step for evaporating a large amount of water from a hyaluronic acid solution. This water-soluble hyaluronic acid gel contains hyaluronic acid, water-soluble dietary fibers, an acid other than hyaluronic acid, and water, wherein: the water-soluble dietary fibers are polysaccharides that have glucose as the constituent sugar, contain bonds other than 1-4 bonds and 1-6 bonds, and do not have a cyclic structure; the water content is 1-300 parts by mass per 1 part by mass of the hyaluronic acid; and the content of the water-soluble dietary fibers is 1-300 parts by mass per 1 part by mass of the hyaluronic acid.
Inventors:
YONETO KUNIO (JP)
Application Number:
PCT/JP2020/024608
Publication Date:
December 30, 2020
Filing Date:
June 23, 2020
Export Citation:
Assignee:
RITAPHARMA CO LTD (JP)
International Classes:
C08J3/075; A23L33/00; A61K8/02; A61K8/36; A61K8/73; A61K9/06; A61K9/14; A61K9/70; A61K47/12; A61K47/36; A61L15/28; C08L5/00
Domestic Patent References:
| WO2017085964A1 | 2017-05-26 | |||
| WO2016121611A1 | 2016-08-04 | |||
| WO2016121245A1 | 2016-08-04 |
Foreign References:
| JP2010088339A | 2010-04-22 | |||
| JP2011136218A | 2011-07-14 | |||
| JP2000060487A | 2000-02-29 | |||
| JPH10150934A | 1998-06-09 |
Attorney, Agent or Firm:
TANAKA, Junya et al. (JP)
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