: any of a class of complex cyclic sugars that are products of the enzymatic decomposition of starch and that can catalyze reactions between simpler molecules which come together within the cylindrical body of the sugar.

What is a cyclodextrin and what is it used for?

Cyclodextrins are cyclic oligosaccharides used for the improvement of water-solubility and bioavailability of drugs.

What is another name for cyclodextrin?

Cyclodextrins, as they are known today, were called "cellulosine" when first described by A. Villiers in 1891.