Phycocyanin (also called Spirulina Blue, Blue Spirulina, Spirulina Extract) is a pigment-protein complex from the light-harvesting phycobiliprotein family, along with allo- phycocyanin and phycoerythrin. It is an accessory pigment to chlorophyll. Phycocyanin powder is a natural, water soluble and non-toxic food pigment extracted and processed from Spirulina platensis. It is a characteristic bright blue color, absorbing orange and red light, particularly near 620nm, and emits fluorescence at about 652nm.
Spirulina.
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