Poly-L-glutamic acid, 30%

Polyglutamic acid (PGA) is a polymer of the amino acid glutamic acid (GA). Gamma PGA (Poly-γ-glutamic acid, γ-PGA) - the form where the peptide bonds are between the amino group of GA and the carboxyl group at the end of the GA side chain) - is a major constituent of the Japanese food natto. Gamma PGA is formed by bacterial fermentation.

P 2001 (OTTO) Poly-L-glutamic acid, 30% Cas 25513-46-6 - used on biochemical research as the bacteria culture.