One of the mysteries of the English language finally explained.
An anthocyanin (usually isolated as the red chloride, C₂₇H₃₁O₁₅Cl) that is the colouring matter of zonal pelargoniums, and on hydrolysis gives pelargonidin and glucose.
Early 20th century; earliest use found in Chemical Abstracts. From German Pelargonin from scientific Latin Pelargon- (in Pelargonium) + German -in.
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