Water-soluble pigments that produce red, purple, and blue colors in plant tissues, particularly in flowers, fruits, and leaves. They serve as antioxidants and help attract pollinators and seed dispersers.
From Greek 'anthos' meaning 'flower' and 'kyanos' meaning 'blue.' The term was coined in 1835 by German botanist Ludwig Marquart, who first described these blue flower pigments, though the family includes red and purple pigments as well.
Anthocyanins are nature's mood rings! Their colors change based on pH - the same pigment can be red in acidic conditions and blue in alkaline conditions, which is why hydrangea flowers can be different colors depending on soil chemistry.
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