Abstract
The marine environment is the source of a plethora of bioactive compounds with unique properties and remarkable potential for biotechnological applications. Marine fish, shellfish, sponges, microalgae, and macroalgae are sources of bioactive compounds. These compounds can be used by the food industry as functional food ingredients, nutraceuticals, dietary supplements, and natural additives such as antimicrobial preservatives, gelling agents, texturizers, stabilizers, and antioxidants. Bioactive peptides, due to their broad spectrum of bioactivities, including antioxidant, antimicrobial, anticancer, immune-modulatory, antihypertensive, anticoagulant, antidiabetic and antiaging properties have gained enormous interesting applications in nutraceutical, pharmaceutical and cosmeceutical industries. Proteins have no or little bioactivity; therefore it is necessary to hydrolyze them to small peptides, which have numerous functional properties. This chapter focuses mainly on bioactive peptides from fish with respect to their antioxidant properties.
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