Relating to or containing two gallate groups or gallic acid components.
From di- (two) + gallic (relating to gallic acid from oak galls). This chemical term developed in 19th-century organic chemistry to describe compounds with double gallic acid molecules.
Digallic compounds are being studied for anti-cancer properties because they can stop cancer cells from multiplying—all thanks to humble oak tree parasites that create ink-making galls.
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