Table 2.
Number of functional milk peptides identified by LC–Orbitrap MS/MS in each commercial dairy products, grouped by function
| Product name | Anti-hypertensive | Anti-microbial | Anti-oxidant | Anti-thrombotic | Immunomodulatory | Opioid agonist | Calcium-binding activity |
|---|---|---|---|---|---|---|---|
| Deluxe Organic Milk | 20 | 15 | 2 | 1 | 2 | 0 | 1 |
| Huanqing for bone | 28 | 20 | 4 | 1 | 1 | 0 | 1 |
| Pure Milk | 24 | 17 | 2 | 1 | 2 | 0 | 1 |
| Original Yoghurt | 14 | 13 | 0 | 1 | 1 | 1 | 0 |
| Xin Yang Dao | 25 | 15 | 3 | 1 | 1 | 0 | 1 |
| Chunzhen (Yoghurt) | 18 | 15 | 3 | 1 | 1 | 1 | 0 |
| Future Star for brain | 25 | 15 | 2 | 1 | 2 | 0 | 1 |
| Future Star for bone | 23 | 15 | 1 | 1 | 2 | 0 | 1 |
| Deluxe Milk | 21 | 14 | 1 | 1 | 2 | 0 | 1 |
| Huanqing for heart | 25 | 16 | 2 | 1 | 1 | 0 | 1 |
Peptide sequences identified in the samples were matched against an in-house milk bioactive peptide database search program, which compares the identified peptides with sequences that are known to be bioactive