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<p>Seaweeds have emerged as one of the most commercially important marine resource that harbours industrially relevant bioactive compounds such as polysaccharides, proteins, dietary fibres, minerals, pigments, polyphenolic compounds etc. This in turn has fostered an extensive research on extraction of seaweed based high value compounds. Conventional methods which were popularly used for extraction of seaweed bioactive compounds are being replaced by advanced “greener” techniques such as supercritical fluid, eutectic solvents, microwave, enzymatic, ultrasound assisted extraction etc. Among all sustainable techniques, ultrasound assisted extraction (UAE) is the most economical method for seaweed biovalorization. Employing ultrasonic waves aids in effective disruption of seaweed cell walls facilitating higher extraction rate in short period of time. Judicious integration of UAE with other efficient extraction systems are reported to yield several high value added products such as phenolic compounds, hydrocolloids, biochar, hydrochar, fertilizers, seaweed based biostimulants, biofuels, feeds etc. and hence can pave way towards establishment of successful seaweed biorefineries. The core aim of the present review is to give a comprehensive understanding of the principles and application of UAE in seaweed biovalorization by enhancing the recovery of different biomolecules when used as a major process or as a pre or post treatment step. Furthermore, the advantages, challenges and drawbacks of UAE in comparison with other extraction processes is also discussed in detail.</p>

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Ultrasound assisted extraction as an emerging sustainable platform towards establishment of seaweed biorefinery – A detailed overview

  • 期刊论文

  • 发表日期：

    2026年1月26日

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  • Lekshmi Remadevi Gopakumar,
  • Tejpal Chaluvanahalli Shambhulingaiah,
  • Anas Kasim Korpulliyil,
  • Vishnu Kalladathvalappil Venugopalan,
  • Vidya Mohanan,
  • Pavithra Pathrakadavil Ajayan,
  • Venkatesan Jayachandran

摘要

Seaweeds have emerged as one of the most commercially important marine resource that harbours industrially relevant bioactive compounds such as polysaccharides, proteins, dietary fibres, minerals, pigments, polyphenolic compounds etc. This in turn has fostered an extensive research on extraction of seaweed based high value compounds. Conventional methods which were popularly used for extraction of seaweed bioactive compounds are being replaced by advanced “greener” techniques such as supercritical fluid, eutectic solvents, microwave, enzymatic, ultrasound assisted extraction etc. Among all sustainable techniques, ultrasound assisted extraction (UAE) is the most economical method for seaweed biovalorization. Employing ultrasonic waves aids in effective disruption of seaweed cell walls facilitating higher extraction rate in short period of time. Judicious integration of UAE with other efficient extraction systems are reported to yield several high value added products such as phenolic compounds, hydrocolloids, biochar, hydrochar, fertilizers, seaweed based biostimulants, biofuels, feeds etc. and hence can pave way towards establishment of successful seaweed biorefineries. The core aim of the present review is to give a comprehensive understanding of the principles and application of UAE in seaweed biovalorization by enhancing the recovery of different biomolecules when used as a major process or as a pre or post treatment step. Furthermore, the advantages, challenges and drawbacks of UAE in comparison with other extraction processes is also discussed in detail.