Refrence:

• The isoflavonoid aglycone-rich fractions of Chungkookjang, fermented unsalted soybeans, enhance insulin signaling and peroxisome proliferator-activated receptor-gamma activity in vitro.

    http://www.ncbi.nlm.nih.gov/pubmed/17119271

         Anti-hyperglycemic activity:

• Study on inhibition on alpha-glucosidase and analysis of the hypoglycemic composition of lobster sauce. http://www.ncbi.nlm.nih.gov/pubmed/15934241

• Anti-diabetic and anti-hypertensive potential of sprouted and solid-state bioprocessed soybean. http://www.ncbi.nlm.nih.gov/pubmed/15927931 

• Fermented soybean-derived Touchi-extract with anti-diabetic effect via alpha-glucosidase inhibitory action in a long-term administration study with KKAy mice. http://www.ncbi.nlm.nih.gov/pubmed/11787946

• Fermented soybean-derived water-soluble Touchi extract inhibits alpha-glucosidase and is antiglycemic in rats and humans after single oral treatments. http://www.ncbi.nlm.nih.gov/pubmed/11285328

• Effects of soybean diet on the beta cells in the streptozotocin treated rats for induction of diabetes. http://www.ncbi.nlm.nih.gov/pubmed/10660216

• Long-term ingestion of a fermented soybean-derived Touchi-extract with alpha-glucosidase inhibitory activity is safe and effective in humans with borderline and mild type-2 diabetes. http://www.ncbi.nlm.nih.gov/pubmed/11481402