Anthocyanins (from Ancient Greek ἄνθος (ánthos) 'flower' and κυάνεος/κυανοῦς (kuáneos/kuanoûs) 'dark blue'), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, pink, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart named a chemical compound that gives flowers a blue color, Anthokyan, in his treatise Die Farben der Blüthen (English: The Colors of Flowers).
Anthocyanins (from Ancient Greek ἄνθος (ánthos) 'flower' and κυάνεος/κυανοῦς (kuáneos/kuanoûs) 'dark blue'), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, pink, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart named a chemical compound that gives flowers a blue color, Anthokyan, in his treatise Die Farben der Blüthen (English: The Colors of Flowers).
Source: Wikipedia "Anthocyanin" · CC BY-SA 4.0
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