Table 1.

Physical and chemical properties of α-, β- and γ-cyclodextrin (CD).

Property	α-CD	β-CD	γ-CD
Glucopyranose units	6	7	8
Molecular weight (Da)	972	1135	1297
Solubility in water (mg/mL)	145	18.5	232
Inner diameter (Å)	5.7	7.8	9.5
Safety (orally)	High *	Acceptable daily intake of 5 mg/kg/day	High *
Chemical structure

* According to the Regulatory Status of Cyclodextrins, they can be taken without restrictions [21].