Reference [2] in other study anthocyanins and their breakdown metabolites, protocatechuic, syringic, gallic, and vanillic acids were evaluated on different parameters involved in atherosclerosis, including inflammation, cell adhesion, chemotaxis, endothelial function, estrogenic/antiestrogenic activity and angiotensin-converting enzyme (ACE) inhibitor activity. Here, ACE is linked to atherosclerosis.