ISO KOSHER HALAL 1.Environmentally friendly 2.Long-term to maintain soil moisture 3.Promote plant growth Gamma poly glutamic acid Introduction:Gamma poly glutamic acid (gamma-PGA) is a natural, multi functional, biodegradable biopolymer produced from L glutamic acid through a fermentation process with a Bacillus subtilis. PGA is a water soluble homo polyamide consisting of D and L glutamic acid ...