Hypoglycemic Effect of aLentinus edodesExo-polymer Producedfrom a Submerged Mycelial Culture
Author(s) -
Byung-Keun Yang,
Dong-Hyun Kim,
SangChul Jeong,
Surajit Das,
Youngsun Choi,
JoonShik Shin,
Sangchul Lee,
ChiHyun Song
Publication year - 2002
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.66.937
Subject(s) - lentinus , mycelium , chemistry , triglyceride , sugar , carbohydrate , streptozotocin , plasma glucose , polymer , glycoprotein , food science , cholesterol , biochemistry , insulin , chromatography , diabetes mellitus , biology , organic chemistry , botany , endocrinology , mushroom
The hypoglycemic effect of an exo-polymer produced from a submerged mycelial culture of Lentinus edodes was investigated in streptozotocin-induced diabetic rats. The administration of the exo-polymer (200 mg/kg BW) reduced the plasma glucose level by as much as 21.5%, and increased plasma insulin by 22.1% as compared to the control group. It also lowered the plasma total cholesterol and triglyceride levels by 25.1 and 44.5%, respectively. Gel chromatography of the exo-polymer revealed a single peak which is likely to have been a glycoprotein with a molecular weight of 52 kDa and was found to contain 83.5% carbohydrate and 16.5% protein. The Sugar and amino acid compositions of the exo-polymer were analyzed in detail.
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