Ulva Seaweed-Derived Ulvan: A Promising Marine Polysaccharide as a Sustainable Resource for Biomaterial Design

Marine Drugs, Journal Year: 2025, Volume and Issue: 23(2), P. 56 - 56

Published: Jan. 24, 2025

Green seaweed is currently underused compared with other major types. Many scientists have reported applications of the green Ulva in various fields recent years, which makes it a candidate for biomass production industrial biorefineries. contains unique polysaccharide called ulvan, being considered medicinal and pharmacological applications. Ulvan sulfated including rhamnose glucuronic acid residues, has range bioactivities, immunomodulatory, antimicrobial, anticoagulant properties. The biocompatibility ulvan versatile biomaterial design. This review presents an in-depth analysis potential starting extraction methods structural/biological characterization moving on to We also highlight advantages over traditional polysaccharides such as agar, carrageenan, alginate.

Language: Английский

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Eco‐Friendly Extraction of Sustainable and Valorized Value‐Added Products From Ulva fasciata Macroalgae: A Holistic Technoeconomic Analysis

International Journal of Biomaterials, Journal Year: 2025, Volume and Issue: 2025(1)

Published: Jan. 1, 2025

The present work conducts a detailed technoeconomic analysis of an environmentally friendly zero-waste biorefinery process to valorize marine Ulva fasciata macroalgae into different sustainable value-added products. proposed sequential fully integrated yielded 34.89% mineral-rich water extract (MRWE), 2.61 ± 0.5% chlorophyll, 0.41 0.05% carotenoids, 12.55 1.6% starch, 3.27 0.7% lipids, 22.24 1.8% ulvan, 13.37 1.5% proteins, and 10.66 0.9% cellulose. Aspen Plus software, utilizing the nonrandom two-liquid (NRTL) model, was applied for design, simulation, analysis. Key findings include positive net value (NPV) $49,755,544.90, high return on investment (ROI) 485%, internal rate (IRR) 17%. anticipated payback period is 7 years, indicating quick recovery initial investment. These confirm that promising resource in industry, providing viable eco-friendly alternative production bio-based products new market seaweed-based

Language: Английский

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Bacteria-released algal growth and morphogenesis factors regenerate axenic calli derived from the macroalga Ulva (Chlorophyta) and change the fatty acid profile

Botanica Marina, Journal Year: 2025, Volume and Issue: unknown

Published: April 28, 2025

Abstract Ulva , a green marine macroalga, lives in symbiotic relationship with bacteria like Roseovarius sp. and Maribacter sp., which produce algal growth- morphogenesis-promoting factors (AGMPFs) crucial for development. In the absence of all AGMPFs including thallusin exhibit callus-like morphotype characterised by lack cellular differentiation. This study introduces calli as novel model to investigate AGMPF action. The metabolic impacts were investigated comparing axenic compressa (cultivar mutabilis ) those exposed AGMPFs. Adding regenerated callus promoted germling-like structures, along changes metabolome. bouquet AGMPFs, containing (−)-thallusin, induced significant variations fatty acid metabolism, notably an increase palmitic several polyunsaturated acids, change ω6:ω3 ratio (<0.7), may directly affect growth well membrane cell wall formation. results highlight implications bacterial-derived instead live underscore necessity optimising distribution cultivation improve nutritional quality food feed.

Language: Английский

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Toxicity of the organic UV filter oxybenzone to the brown macroalga Hormosira banksii and the green macroalga Ulva lactuca

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 958, P. 177982 - 177982

Published: Dec. 10, 2024

Language: Английский

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