Betacyanin
From Wikipedia, the free encyclopedia
Betacyanin is the nitrogen-containing red pigment of beets (Beta spp.) and other Chenopodiaceae. Betacyanins are also present in flowers of Cactaceae, Portulacaceae, and even some fungi. They are found in the vacuoles as water-soluble protein complexes. The most important betacyanins are amaranthine and isoamaranthine.
Betacyanin is commercially used as a natural food dye. It can cause beeturia (red urine and faeces) in some people who are unable to break it down.
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