Poly Glutamic Acid (γ-PGA)

Γ-PGA-A Natural Fertilizer Synergist  I. Introduction Gamma-poly-glutamic acid (Γ-PGA) is a natural, multifunctional, biodegradable biopolymer produced from L-glutamic acid through fermentation process using a Bacillus subtilis. PGA is a water-soluble homo-polyamide consisting of D- and L-glutamic acid monomers connected by amide linkages between α-amino and γ-carboxyl groups. It is biodegradable, edible and non-toxic for human and environment. It can be applied in the fields of medicine, food, cosmetics, plastics and water treatment. II. Application Application field               Product type                                                                 ----- Thickener/Stabilizer                    Food industry                  ------Texture enhancer                                                         -----Animal feed supplement    Health care                    -------Nutrition supplement Medical treatment              -------Controlled release drug carrier, medical bondage Cosmetics                ---------------Moisturizer Water treatment            ------------Heavy metal absorbent Waste Water treatment           ----Biopolymer flocculants Agriculture                    ---------Increasing the quality and quantity of plants, soil improvement,                                                         seed-coat          *recommended dosage: 0.05~1.00%, or as required.   III. Product Specification ITEM                                                              SPECIFICATION Physical Appearance                    --------------------White to off-white free-flow powder Purity                                  --------------------92% (HPLC) Molecular Weight                       --------------------700kD (GPC/HPLC) LD                             ------------------------------10% max., by automatic infrared analyzer pH                             -------------------------------5.0~7.0 Clarity, OK400 (4% 'n)                  --------------------------------0.13 max (Cosmetic grade: 0.07 max.) Heavy metals                --------------------------------- Total as Pb: 20ppm max. TPC(CFU/g)               --------------------------------------3,000max. (Cosmetic Grade 500 max.) E. coli              ------------------------------------------------Negative Salmonella               -----------------------------------------Negative Particle size               ----------------------------------------100% thru 100 mesh IV. Packaging 100g, 250g or 500g bottle, 10kg carton, or as required. Storing in a cool and dark place.