PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY
Algal pigment extract. Researcher holding a flask of an extract (purple) from the blue-green alga (cyanobacterium) Arthrospira platensis (green, in larger flask). Also called Spirulina platensis, extracts from Spirulina are being studied for medical and health uses, which include protein and energy drinks, skin gels and also anti-cancer properties. Photographed at the French research company Alpha-Biotech, France.
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