Title:
POLYSACCHARIDE, COMPOSITION CONTAINING POLYSACCHARIDE, AND IMMUNOSTIMULATING AGENT
Document Type and Number:
Japanese Patent JP2017031173
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide polysaccharides which can be applied to pharmaceutical agents and health foods, and feed additives for livestock and fish, exert sufficient immunostimulating effect, and can be produced with low cost.SOLUTION: The present invention provides a polysaccharide which is obtained as solids by mixing one or more selected from powders of the egg, larva, pupa or imago of an insect belonging to Diptera, such as Trypetidae, Muscidae, and Stratiomyidae with a solvent in which the polysaccharide is insoluble, and removing the solvent. The polysaccharide is soluble in water, shows acidity, and has a molecular weight of from about 300,000 to about 1,800,000. The polysaccharide contains at least from about 10 to about 25 mol% of rhamnose as constituent sugar. Preferably, the polysaccharide has heat tolerance and high temperature high pressure tolerance. The polysaccharide has an adjuvanticity and a Toll-like Receptor-4 mediated effect.SELECTED DRAWING: Figure 21
Inventors:
MIURA TAKESHI
MIURA CHIEMI
OTA TAKASHI
IWAI SHUNJI
TAKAHASHI TAKAYUKI
MIURA CHIEMI
OTA TAKASHI
IWAI SHUNJI
TAKAHASHI TAKAYUKI
Application Number:
JP2016178976A
Publication Date:
February 09, 2017
Filing Date:
September 13, 2016
Export Citation:
Assignee:
AINAN RIBERASIO CO LTD
International Classes:
A61K31/715; A61K35/64; A61P37/04; A61P43/00; C08B37/00
Foreign References:
| WO2011007867A1 | 2011-01-20 |
Other References:
JPN6016023568; 養殖 Ｖｏｌ．４７， Ｎｏ．３, 2010, ｐ．４４-４６
Attorney, Agent or Firm:
Atsushi Ido