Due to the remarkable properties of γ-PGA, it has been chosen as a suitable candidate for applications in various fields as medicine (bone regeneration, dental carries, wound dressing, drug delivery, vaccine development, bio-glue), agriculture (biofertilizer, super-absorbent), wastewater treatment (bio-flocculants, metal removal), cosmetics (anti-ageing,mouth wash, sunscreen lotion), food industries (flavouring agent, thickener, packaging material), etc.