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The aim is to evaluate different extraction methods for carrageenan from Mastocarpus stellatus and assess their properties.

Integrated extraction, film formulation, and physicochemical comparison of crude carrageenans from Mastocarpus stellatus: Exploring enzymatic, hydrothermal, and ultrasonication pathways

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Explores extraction pathways for carrageenan, evaluating yield and purity in seaweed, suggesting efficient biorefinery design.

The aim is to evaluate different extraction methods for carrageenan from Mastocarpus stellatus and assess their properties.
Evaluated hydrothermal, enzymatic, and ultrasound-assisted extractions for crude carrageenan.
Analyzed extraction yield, purity, chemical composition, and rheological properties of films and gels.
Used combinations of extraction methods to enhance yield and reduce contaminants.
Hydrothermal extraction yielded low ash content but limited recovery.
Enzymatic extraction provided the highest yield with good molecular weight.
Combination of enzyme and ultrasound increased recovery but also ash and protein content.

Baltrusch et al. (2026) studied this question.

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