Oligosaccharides such as lactulose, galacto-oligosaccharides, fructo-oligosaccharides, inulin and other food carbohydrates are some well-known examples. There is an obvious potential for a synbiotic effect of probiotics and prebiotics, since prebiotics promote the growth and activities of probiotics. Inuline,lactulose, oligofructose and polydextrose are prebiotics with proven
ability to increase the growth and the counts of probiotic strains