For maximum medicinal benefit, agar should be prepared in the summer after the alga has been scorched as much as possible.
This alga is tasteless, reduces inflammation of erysipelas21 patients; an extract of it is good for al-niqris (rheumatism).
Two phases of the life cycle were typical for this alga : non-motile mature vegetative and motile generative cells.
While the interpretation of these ribbon-like megascopic remains as a eukaryotic alga seems plausible and attractive, they may be colonial cyanobacteria.
The few specimens taken are doubtless from unkilled patches of this alga in tanks.
The evidence is that blooms of toxic algae are naturally occurring and are triggered primarily by combinations of calm water and good sunlight.
Nitrogen and phosphorus take oxygen from the seabed and feed poisonous algae at the surface.
Dimethyl sulfide is believed to arise in surface water from the natural biochemistry of certain species of marine algae.
