Porphyridium cruentum

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Scientific classification
Domain: Eukaryota
(unranked): Archaeplastida
Phylum: Rhodophyta
Class: Porphyridiophyceae
Order: Porphyridiales
Family: Porphyridiaceae
Genus: Porphyridium
Species: P. cruentum
Binomial name
Porphyridium cruentum
(S.F.Gray) Nägeli

Porphyridium cruentum is a species of red alga in the family Porphyridiophyceae.

The microalga Porphyridium sp. (Rhodophyta) is a potential source for several products like fatty acids, lipids, cell-wall polysaccharides and pigments . The polysaccharides of this species are sulphated and their structure gives rise to some unique properties that could lead to a broad range of industrial and pharmaceutical applications. Additionally, P. cruentum biomass contains carbohydrates of up to 57 % have been reported. Thus, the combined amount of carbohydrates in biomass and exopolysaccharides of this microalga could potentially provide the source for bio-fuel and pharmaceutical [1][2]

The genus Porphyridium has been classified among blue-green, red, and green algae.[3]