Table 1.
Molecular Size and Concentration of Major Human Milk Glycoproteins
| Glycoprotein | Molecular size (kDa) | Concentration (mg/L) |
|---|---|---|
| Mucins | 200–2,000 | 729±756 |
| sIgA | 160 | 200–6,2007 |
| Xanthine dehydrogenase/oxidase | 146 | Not reported |
| BSSL | 120–140 | 100–2008 |
| Lactoferrin | 80 | 1,000–7,0009 |
| Lactoperoxidase | 77.5 | 0.77±0.3810 |
| Butyrophilin | 66 | 41±36 |
| Lactadherin | 46 | 93±106 |
| Adiponectin | 30 | 4–8811 |
| β-Casein | 24 | 4,670±89012 |
| κ-Casein | 19 | 100–4,6007 |
| Leptin | 16 | 0.00313 |
| Lysozyme | 14.4 | 21±1314 |
| α-Lactalbumin | 14.2 | 2,440±64015 |
BSSL, bile salt-stimulated lipase; sIgA, secretory immunoglobulin A.