Interesting facts: Isomalto - oligosaccharide is a carbohydrate made up of glucose molecules joined in a particular type of glycosidic linkage which can not be broken down by saliva or digestive enzymes. (sugar-and-sweetener-guide.com)
These three fructans are composed of fructose molecules bound with indigestible glycosidic linkages. (sugar-and-sweetener-guide.com)
Polysaccharides: like starch are composed of long chains of monosaccharide units bound together by glycosidic linkages. (nutritionalpearlspodcast.com)