Shrimp head (SH) is the by-product of shrimp processing, it contains large amounts of nutritive compounds, such as protein, lipids, calcium, vitamins and various extractable compounds and flavor compounds.Devising strategies for the full utilization of the catch and processing of discards for production of novel products is therefore a matter of importance for both the fishing industry and food processors.Study on the recovery of protein, peptides and amino acids from shrimp by-products has recently been reviewed by several investigations.