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Enzymes from Seafood Processing Waste and Their Applications in Seafood Processing.

V Venugopal1

  • 1Seafood Technology Section, Bhabha Atomic Research Centre, Mumbai, India.

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Fishery waste, including by-catch, presents environmental challenges but offers valuable by-products. Secondary processing yields enzymes with diverse seafood applications, promoting sustainability and innovation.

Keywords:
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Area of Science:

  • Marine Biology
  • Biotechnology
  • Environmental Science

Background:

  • Commercial fishing generates substantial fishery waste (up to 50% of raw material) and by-catch, posing environmental concerns due to rapid putrefaction.
  • These discarded materials, including scales, shells, viscera, and underutilized fish species, are often not commercially valuable.
  • Effective waste management and valorization are crucial for environmental protection and resource utilization in the seafood industry.

Purpose of the Study:

  • To explore the potential of secondary processing of fishery wastes for generating valuable by-products.
  • To identify and highlight the diverse enzymatic potential within fishery waste materials.
  • To discuss the applications of these derived enzymes in the seafood industry for product enhancement and process improvement.

Main Methods:

  • Review and analysis of existing literature on fishery waste composition and enzymatic content.
  • Identification of key enzymes present in fishery waste, such as proteases, lipases, and chitinase.
  • Exploration of documented and potential applications of these enzymes in various seafood processing operations.

Main Results:

  • Fishery wastes are rich sources of various enzymes, including proteases, lipases, chitinase, alkaline phosphatase, and others.
  • These enzymes have demonstrated potential in diverse seafood applications like protein modification, bioactive peptide production, and shellfish processing.
  • Enzymes from cold-water species are particularly valuable for low-temperature applications, offering energy savings and product protection.

Conclusions:

  • Secondary processing of fishery waste offers a sustainable approach to valorize discards into valuable products, particularly enzymes.
  • Enzymes derived from fishery waste can significantly enhance seafood processing efficiency, product quality, and introduce novel functionalities.
  • Further research and development in utilizing fishery-derived enzymes can lead to innovative solutions for the seafood industry and environmental mitigation.