Green Synthesis and Characterization of Silver Nanoparticles Using Fresh Leaf Extract of Aloe vera barbadensis Miller, Aloe vera and Sempervivum tectorum and Its Antimicrobial Activity Studies

New advances in technology have inspired the development and application of new products in food industry, which brings to new challenges featuring food safety. Demands from consumers for more natural foodstuff are increasing, which puts aside conventional methods for controlling the microbial growth, such as thermal processing or adding chemical preservatives. New methods are being highlighted, due to features such as controlling microbial growth without damaging the product. Nowadays, nanotechnology is considered as promising technology for the food industry in general, as well as for new methodologies in the entire agri-food chain.