The inventions discloses an oligosaccharide mixture comprising 5-70 wt% of at least one N-acetylated oligosaccharide, 5-90 wt% of at least one neutral oligosaccharide, 2-50 wt% of at least one sialylated oligosaccharide, and/or 5-70 wt% of at least one fucosylated oligosaccharide. The inventions also discloses a food product, especially an infant formula, comprising said oligosaccharide mixture.本發明揭示一種寡醣混合物,其包含5 wt%至70 wt%之至少一種N-乙醯基化寡醣、5 wt%至90 wt%之至少一種中性寡醣、2 wt%至50 wt%之至少一種唾液酸基化寡醣及/或5 wt%至70 wt%之至少一種岩藻醣基化寡醣。本發明亦揭示一種包含該寡醣混合物之食品,特別是嬰兒配方。