Table 1.

Main properties of native cyclodextrins (CDs). Created based on information from [34,41,42,43].

	Cyclodextrins	α-CD	β-CD	γ-CD
Properties
Number of glucopyranose units		6	7	8
Hydrogen donors		18	21	24
Hydrogen acceptors		30	35	40
Molecular weight (Da)		972	1135	1297
Internal diameter (nm)		0.47–0.53	0.60–0.65	0.75–0.83
Outer diameter (nm)		1.46	1.54	1.75
Height of torus (nm)		0.79	0.79	0.79
Internal volume (nm3)		0.174	0.262	0.427
Solubility in water (g/100 mL, 25 °C)		14.5	1.85	23.2
Water of hydration (wt %)		10.2	13.2–14.5	8.13–17.7
Number of water molecules taken by cavity		6	11	17