**15. Angiotensin I-converting enzyme inhibitory peptide derived from glycinin**

The pentapeptide Val-Leu-Ile-Val-Pro derived from glycinin has an IC50 of 1.69 +/- 0.17 M and a Ki of 4.5 +/- 0.25 x 10-6 M for ACE inhibition. This peptide was resistant to digestion by gastrointestinal proteases [18].
