Dairy milk contains trace gas mixture, including: dissolved milk in cow milk； monosaccharide with total sugar content less than 5%p/V； lactose supply: trace gas with a total content of less than 10； use； and SO is used to produce an odor mixture produced by cows.
The invention discloses an oligosaccharide mixture derived from cow's milk that can be easily spray dried comprising (a) a soluble oligosaccharide population which is the same as that of soluble oligosaccharides found in cow's milk and (b) ²-galactooligosaccharides formed by the action of ²-galacotsidase on lactose and the milk oligosaccharides. The mixture having a total monosaccharide content of less than 5% w/v and a lactose:oligosaccharide ratio of less than 20. A process for obtaining such a mixture, which includes a nanofiltration step, is disclosed. Nutritional compositions, especially infant formula, comprising said oligosaccharide mixture are also disclosed.MEZCLA DE OLIGOSACARIDOS DERIVADA DE LA LECHA DE VACA QUE COMPRENDE: UNA POBLACION SOLUBLE DE OLIGOSACARIDOS DE LA LECHE DE VACA； GALACTOOLIGOSACARIDOS BETA, CON UN CONTENDIO TOTAL DE MONOSACARIDOS DE MENOS DE 5% DE P/V Y UNA PROPORCION DE LACTOSA: OLIGOSACARIDOS TOTALES DE MENOS DE 10； USOS； PROCESO PARA LA PRODUCCION DE UNA MEZCLA DE OLIGOSACARIDOS DERIVADA DE LA LECHA DE VACA.
