Processing wet seaweed to dry powder only takes 24 hours ... medicine and paint. “For many, alginate is a well-kept secret,” says Per Magne Olsen, Technology Manager at FMC Biopolymer.

Hsu and the team used an alginate-glycerol powder formula that, when added to a traditional menstrual pad, allows the accumulated blood to turn into a gel. The pad can then absorb more blood and ...

Cut and mixed with water to make a thick gel. Diluted with more water and filtered. Mixture evaporated and further processed to make sodium alginate powder.