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The effects of chitosan oligosaccharide (GO2KA1) supplementation on glucose control in subjects with prediabetes

 Hee Jun Kim  ;  Hyeon Yeong Ahn  ;  Jung Hyun Kwak  ;  Dong Yeob Shin  ;  Young-In Kwon  ;  Chen-Gum Ohe  ;  Jong Ho Lee 
 FOOD & FUNCTION, Vol.5(10) : 2662-2669, 2014 
Journal Title
Issue Date
Adiponectin/blood ; Adult ; Aged ; Asian Continental Ancestry Group ; Biomarkers/blood ; Blood Glucose/metabolism ; Body Mass Index ; C-Peptide/blood ; Chitosan/administration & dosage* ; Chitosan/chemistry ; Cholesterol/blood ; Dietary Supplements* ; Double-Blind Method ; Energy Intake ; Female ; Glucose Tolerance Test ; Humans ; Hypoglycemic Agents/administration & dosage* ; Hypoglycemic Agents/chemistry ; Insulin/blood ; Interleukin-6/blood ; Male ; Middle Aged ; Oligosaccharides/administration & dosage* ; Oligosaccharides/chemistry ; Postprandial Period/drug effects ; Prediabetic State/prevention & control* ; Triglycerides/blood ; Tumor Necrosis Factor-alpha/blood ; Young Adult
We aimed to evaluate the effect of chitosan oligosaccharide (GO2KA1) supplementation on glucose control in subjects with prediabetes. This study was a randomized, double-blind, placebo-controlled clinical trial. Subjects with prediabetes were randomly assigned to the GO2KA1 intervention group or the placebo group for 12 weeks. We assessed the serum levels of glucose, insulin, and C-peptide by a 2 hour value in the 75 g oral glucose tolerance test (OGTT), HbA1c, pro-inflammatory cytokines, and plasma adiponectin at baseline and after the 12 week intervention. The treatment group showed a significant decrease in the serum glucose level at 30 min (p = 0.013) and at 60 min (p = 0.028). The change of the serum glucose level at 60 min was significant in the treatment group compared with the placebo group (p = 0.030). Also, the plasma level of HbA1c (p = 0.023) and the pro-inflammatory cytokines (IL-6 and TNF-α) were reduced and plasma adiponectin was increased in the GO2KA1 intervention group after the 12 week treatment. However, the placebo group did not show any significant changes in these biomarkers. In subjects with prediabetes, 12 week supplement with GO2KA1 may help control postprandial glucose compared with control.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Shin, Dong Yeob(신동엽) ORCID logo https://orcid.org/0000-0003-1048-7978
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