چهارمین همایش ملی پژوهش های کاربردی امنیت غذایی: فرآوری، ایمنی و سلامت

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کد مقاله 1052

عنوان Exploring the Role of Macroalgae in Seaweed Biorefineries Development: Enzymatic and microbial approach"

نویسندگان Ciamak Ghazaei

چکیده metagenomics, enzyme engineering and microbial biotechnology have significantly enhanced the ability to transform macroalgal biomass into various valuable products such as biofuels, organic acids, protein ingredients, bioplastics (PHAs) and nutraceuticals within an integrated bio refinery framework. The enzymatic breakdown of alginate, laminarin, carrageenan, agar and ulvan produces fermentable sugars and specific oligosaccharides with functional properties. Enzymatic extraction methods including enzyme-assisted extraction, ultrasonic-enzyme combinations and customized CAZyme cocktails have improved yields and selectivity while minimizing chemical use and waste. Additionally microbial valorization using natural marine isolates and engineered strains including consolidated bioprocessing and synthetic consortia facilitates the conversion of seaweed-derived sugars into ethanol, methane, lactic, succinic, formicacids, PHAs and bioactive molecules. Pilot and demonstration projects demonstrate feasibility but also reveal ongoing challenges like enzyme cost and feedstock compositional variability (seasonal and geographic) salt and inhibitory compounds in hydrolysates, downstream recovery, and techno-economic competitiveness.

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