#phycocolloids

2 articles

Gelidium (Agar Weed): The Little Red That Gels the World's Kitchens and Labs

Gelidium, the agar weed: how to recognise this small red seaweed, where it grows, and why its gels run from dessert moulds to microbiology labs.

Dr. Theo Nakamura · September 26, 2026

Science10 min read

Phycocolloids Explained: The Gels Hidden in Seaweed Walls

Alginate, agar and carrageenan: the gelling polysaccharides inside seaweed cell walls, why each species gives a different gel, and how extraction works.

Dr. Theo Nakamura · September 26, 2026

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