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Table 4 ACE-inhibitory activity of anthocyanins and phenolic acids

From: Potential anti-inflammatory, anti-adhesive, anti/estrogenic, and angiotensin-converting enzyme inhibitory activities of anthocyanins and their gut metabolites

Sample IC50 (μM)
Gallic acid 332.4 ± 40.1
Caffeic acid 157.3 ± 16.1
Coumaric acid 504.2 ± 31.5
Malvidin-3-O-glucoside 83.9 ± 5.1
Delphinidin-3-O-glucoside 65.4 ± 4.0
Cyanidin-3-O-glucoside 70.8 ± 2.0
Pelargonidin-3-O-glucoside 77.7 ± 2.3
Peonidin-3-O-glucoside 104.6 ± 5.8
  1. IC50: concentration of compound needed to inhibit the original ACE activity by 50%