TABLE 3.
ACE-inhibitory activities of crude peptide fractions and synthesized peptides
| Crude peptide fraction or synthesized peptide | IC50
|
|
|---|---|---|
| mg/liter | μmol/liter | |
| Crude peptide fraction 15 from L. delbrueckii subsp. bulgaricus SS1 | 11.2 | NDa |
| Crude peptide fraction 16 from L. delbrueckii subsp. bulgaricus SS1 | 10.3 | ND |
| Crude peptide fraction 13 from L. lactis subsp. cremoris FT4 | 8.0 | ND |
| β-CN f6-14 from crude peptide fraction 15 | 290.7 | 300.1 |
| β-CN f73-82 from crude peptide fraction 16 | 179.8 | 173.3 |
| β-CN f47-52 from crude peptide fraction 13 | 193.9 | 256.8 |
| κ-CN f152-160 from crude peptide fraction 13 | >1,000.0 | >1,000.0 |
a
ND, not determined.