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Trans-galactooligosaccharides in Food Products


Prebiotics are nondigestible food ingredients that provide numerous health benefits and help maintain a healthy and balanced gut microflora. They beneficially affect the host by selectively stimulating the growth or activity of health promoting bacteria in the colon, such as bifidobacterial [1]. Trans-galactooligosaccharides (TGOS) are prebiotic water-soluble carbohydrates consisting of a chain of 1-7 galactose units with a terminal glucose. TGOS are not broken down by human digestive enzymes and are therefore available as a nutrient for beneficial bacteria. As a prebiotic, TGOS has a wide application in human and animal foods.

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