cyclodextrin
"The shape of cyclodextrin is like a hollow, truncated cone (Fig. 2) [4]. The cavity is hydrophobic and the exterior rims are hydrophilic. Therefore, nonpolar molecules or parts of the molecules will form inclusion complexes with the hydrophobic cavity in the aqueous or hydro-organic solutions "
"Inclusion complexation with cyclodextrin is like a "host-guest interaction". In this interaction cyclodextrin act as host molecule and the drug molecule to be entrapped in host cavity act as
guest molecule."
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