Table 1

Mean (SE) sialic acid content in saliva of breast fed and formula fed infants.

Breast fed (n=18)Formula fed (n=15)p
Free (mg/l)16.0  ( 2.7)8.2  (2.1)0.036
Bound (mg/l)31.5 (3.9)24.3 (3.4)0.175
Total (mg/l)47.3 (3.9)32.2 (4.4)0.014