Table 1. Composition of whey growth factor extract.
| Compositional components |
Content |
| Protein |
| Total protein content (% w/w)* |
97.5 |
| Lactoperoxidase (% w/w)* |
41.2 |
| Lactoferrin (% w/w)* |
23.8 |
| RNase 5 (% w/w) † |
8 |
| IgG (% w/w)* |
6.7 |
| IgA (% w/w) † † |
6.1 |
| RNase 4 (% w/w) † |
4 |
| Growth factors |
| Transforming growth factor-β2 (ng/mg protein) † † |
45.8 |
| Insulin-like growth factor I (ng/mg protein) † † |
27.1 |
| Insulin-like growth factor II (ng/mg protein) † † |
20 |
| Platelet derived growth factor (ng/mg protein) † † |
4 |
| Betacellulin (ng/mg protein) † † |
.4 |
| Fibroblast growth factor 1 (ng/mg protein) † † |
.4 |
* Analysis performed by *Dairy Technical Services Ltd, Melbourne, Australia† Murray Goulburn Co-operative Ltd, Melbourne, Australia† † TGR Biosciences, Adelaide, Australia.
