Cyanidin-3-O-rutinoside is the main anthocyanin in the tested sour cherries.
Sour cherry extracts inhibit competitively the human salivary 伪-amylase enzyme.
All the tested anthocyanin compounds are competitive inhibitor of 伪-amylase.
Malvidin-diglucoside fits better to the active site than cyanidin glycosides.