Marine Macroalgal Biorefinery: Recent Developments and Future Perspectives

Trivedi, Nitin; Mondal, Arijit Sankar; Sharma, Ritu; Mone, Dhanashree

doi:10.1201/9781003195405-1

Algal Biorefineries and the Circular Bioeconomy 2022

DOI: 10.1201/9781003195405-1

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Marine Macroalgal Biorefinery: Recent Developments and Future Perspectives

Nitin Trivedi¹,

Arijit Sankar Mondal²,

Ritu Sharma³

et al.

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2024

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Evaluation of Antioxidant Activity of Residue from Bioethanol Production Using Seaweed Biomass

Sunwoo,

Cho,

Kim

et al. 2024

Marine Drugs

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This study explores the potential of producing bioethanol from seaweed biomass and reusing the residues as antioxidant compounds. Various types of seaweed, including red (Gelidium amansii, Gloiopeltis furcata, Pyropia tenera), brown (Saccharina japonica, Undaria pinnatifida, Ascophyllum nodosum), and green species (Ulva intestinalis, Ulva prolifera, Codium fragile), were pretreated with dilute acid and enzymes and subsequently processed to produce bioethanol with Saccharomyces cerevisiae BY4741. Ethanol production followed the utilization of sugars, resulting in the highest yields from red algae > brown algae > green algae due to their high carbohydrate content. The residual biomass was extracted with water, ethanol, or methanol to evaluate its antioxidant activity. Among the nine seaweeds, the A. nodosum bioethanol residue extract (BRE) showed the highest antioxidant activity regarding the 2,2-diphenyl-1-picrylhydrazyl (DPPH) activity, ferric reducing antioxidant power (FRAP), and reactive oxygen species (ROS) inhibition of H2O2-treated RAW 264.7 cells. These by-products can be valorized, contributing to a more sustainable and economically viable biorefinery process. This dual approach not only enhances the utilization of marine resources but also supports the development of high-value bioproducts.

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Evaluation of Antioxidant Activity of Residue from Bioethanol Production Using Seaweed Biomass

Sunwoo,

Cho,

Kim

et al. 2024

Marine Drugs

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show abstract

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Marine Macroalgal Biorefinery: Recent Developments and Future Perspectives

Cited by 1 publication

References 0 publications

Evaluation of Antioxidant Activity of Residue from Bioethanol Production Using Seaweed Biomass

Evaluation of Antioxidant Activity of Residue from Bioethanol Production Using Seaweed Biomass

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