Moms, the protein contained in milk is certainly coming from the milk, not from egg yolk. >While the yellowish color is due to the heating process carried out during the milk production, so the color can turn out to be light or slightly dark yellow. This still falls under the standard application of a growth milk and certainly does not cause allergies to children who are allergic to eggs. However, children with cow’s milk protein allergy is advised to not consume Morinaga Chil Kid Platinum & Gold since the protein comes from cow’s milk. It is better for them to consume Morinaga Chil Kid Soya.