Natto and Gamma-polyglutamic acid (a.k.a. PGA)
Natto is the fermented soybean which contains higher vitamin B2, B6,B12,E,K2, Gamma-PGA and many other digestive enzymes.The sticky material of natto is Gamma-PGA.
Gmama-PGA is edible,biodegradable,non-toxic to human body and good blood compatible.Its characteristic multi-carboxylic functional groups make it polyanionic biopolymer which has been mostly proposed for use in several fields,such as food industry, health care , cosmetics,agriculture.
