“…On the other hand, fish visceral waste are an excellent source of proteolytic activities , marine peptones for supporting bacteriocin production (Vázquez et al, 2004a), recovery of carotenoid from shrimp biowaste (Bhaskar et al, 2007), lactobacillus growth Horn et al, 2005), biomass production from marine bacteria (Vázquez et al, 2004b), hyaluronic and lactic acid production , recovery of oil from viscera (Raia et al, 2010) and also microbial enzyme production (Ellouz et al, 2001;Vázquez et al, 2006;Rebah et al, 2008).…”