An oligosaccharide mixture comprising 5-70 wt% of at least one
N-acetylated oligosaccharide selected from the group comprising GalN
Ac.alpha.1,3Gal.beta.1,4Glc and Gal.beta.1,6GalN
Ac.alpha.1,3Gal.sym.1,4Glc, 20-90 wt % of at least one neutral
oligosaccharide selected from the group comprising Gal.beta.1,6Gal,
Gal.beta.1,6Gl.beta.1,4Glc Gal.beta.1,6Gal.beta.1,6Glc,
Gal.beta.1,Gal.beta.1,3Glc, Gal.beta.1,3Gal.beta.1,4Glc,
Gal.beta.1,6Gal.beta.1,6Gal.beta.1,4Glc,
Gal.beta.1,6Gal.beta.1,3Gal.beta.1,4Glc,
Gal.beta.1,3Gal.beta.1,6Gal.beta.1,4Glc and
Gal.beta.1,3Gal.beta.1,3Gal.beta.1,4Glc and 5-50 wt % of at least one
sialylated oligosaccharide selected from the group comprising
NeuAc.alpha.2,3Gal.beta.1,4Glc and NeuAc.alpha.2,6Ga.beta.1,4Glc; food
products comprising said oligosaccharide mixture.