Maximizing crustaceans (shrimp, crab, and lobster) by-products value for optimum valorization practices: A comparative review of their active ingredients, extraction, bioprocesses and applications

•This review addresses the important bioactive ingredients recovered from different major crustacean’s by-products.•A comprehensive application of crustacean’s by-products in various fields is presented.•Nowadays, many newly developed techniques have been applied in crustacean’s by-products recovery.•A combination of innovative extraction techniques with industrially applicable technologies can efficiently recover these valuable components.