Levan beta 2→6

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This article is about the sugar polymers known as levans. For a city of that name, see levan

Levans are a group of fructans; polymers of fructose forming a non-structural carbohydrate, which in the case of levans can themselves link together to form super-molecules comprised of even hundreds of thousands.

The shortest levan is 6-kestose, essentially a chain of three fructose molecules with a few extra atoms in one segment. Levans are produced in almost all bacterial versions of fructan production, as well as being possible to produce by fracturing soybean mucilage.