Structure of anthocyanidins

structure of anthocyanidins
Choose an anthocyanidin from the drop-down menu list.
Name            R3 R5 R6 R7 R3' R5' colour

A UV/Vis spectrum of E163 in JCAMP-DX format shows a dilute solution of the anthocyanine dye (E163). The molar absorbance [extinction coefficient] ε (1% solution in 1 cm cell) is 1120 at 537 nm.
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The Department of Chemistry, University of the West Indies,
Mona Campus, Kingston 7, Jamaica.
Created April 1997. Links checked and/or last modified 8th August 2014.
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