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説明

Fructooligosaccharides (FOS) are a form of water-soluble carbohydrate. Composed of short fructose chains, they cannot be digested by the human body. As well as being considered a prebiotic, FOS are commonly used as an alternative sweetener in certain foods and even used as a medicine.
Fructooligosaccharides (FOS) are oligosaccharides that occur naturally in plants such as onion, chicory, garlic, asparagus, banana, artichoke, among many others. They are composed of linear chains of fructose units, linked by beta (2-1) bonds. The length of the fructose chain varies from 2 to 60 with an average degree of polymerization of >10. Fructooligosacchrides are resistant to hydrolysis by the intestinal enzymes, and have been shown to be indigestible by enzymes in the human small intestine but are fermented extensively by microflora in the lower digestive tract.