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Gamma-poly-glutamic acid (gamma-PGA) is a natural occurring, multi-functional, and biodegradable biopolymer. It is produced through fermentation by
Bacillus subtilis using glutamic acid. PGA is consists of glutamic acid monomers
crosslinked between α-amino and γ-carboxyl groups, and the molecular weight of PGA is usually between 100~1000
kDa. It is water-soluble, edible and non-toxictowards human, and is environment friendly. It has broad applications in the
fields of medicine, food, cosmetics, and water treatment.
Gamma Poly glutamic Acid
CAS No: 25513-46-6
Molecular formula: (C5H9NO4)x
Molecular weight: 147.129