By Yoshimitsu Hamano

Microorganisms are able to generating a wide selection of biopolymers. Homopolymer peptides, that are made of just a unmarried form of amino acid, are a ways much less ubiquitous. the one amino-acid homopolymers recognized to ensue in nature are offered during this quantity.
Poly-epsilon-L-lysine is a polycationic peptide and shows antimicrobial task opposed to a large spectrum of microorganisms. it really is either secure and biodegradable and is consequently used as a meals preservative in different international locations. additionally, there was nice curiosity in scientific and different functions of poly-lysine and its derivatives.
In distinction, poly-gamma-glutamic acid is an strange anionic polypeptide. it's also water soluble, biodegradable, suitable for eating, non-toxic and non-immunogenic and will be chemically changed to introduce numerous medicines. those gains are very invaluable for pharmaceutical and biomedical functions. Poly-glutamic acid is additionally a hugely appealing as a nutrition ingredient.

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