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Formation constant (Kf, M−1) values of cyclodextrin/volatile guest inclusion complexes determined by NMR spectroscopy.
| Guest | Observed Signal | α-CD | β-CD | γ-CD | HP-α-CD | HP-β-CD | HP-γ-CD |
|---|---|---|---|---|---|---|---|
| Benzoic acid | δ | 842 a | 306 a | - | 731 a | 447 a | 551 a |
| Carvacrol | δ + D | - | 1736 b | - | - | - | - |
| m-Cresol | δ | 48 c | 125 c | 97 c | - | 130 c | - |
| (+)-Fenchone | δ | - | 550 d | - | - | - | - |
| (−)-Fenchone | δ | - | 523 d | - | - | - | - |
| Nootkatone | δ + D | - | 5750 e | - | - | - | - |
| Phenol | δ | 19 c | 60 c | 3 c | - | - | - |
| Thymol | δ + D | - | 1344 b | - | - | - | - |
| Vanillin | D | - | 9.8 f | - | - | - | - |
