Table 2.

Formation constants (K_f), solubility enhancement ratio S_t/S₀, CE, optimum molar ratio and increase in formulation bulk of phenylpropanoids.

Guest	S0 (mg/L)	CD	Kf (M−1)	St/S0a	CE	Molar ratio (PP:CD)	Increase in formulation bulk
trans-Anethole (1)	22	α-CD	1274	11	0.19	1:6.38	42
		β-CD	537	3	0.08	1:13.75	106
		HP-β-CD	1510	14	0.22	1:5.54	56
		RAMEB	2157	17	0.31	1:4.18	38
		CRYSMEB	1782	15	0.26	1:4.84	40
Estragole (2)	48	α-CD	682	4	0.22	1:5.54	36
		β-CD	882	3	0.28	1:4.51	35
		HP-β-CD	1412	11	0.46	1:3.19	32
		RAMEB	1694	12	0.55	1:2.83	26
		CRYSMEB	1512	10	0.49	1:3.05	25
Isoeugenol (3)	665	α-CD	110	2	0.45	1:3.24	19
		β-CD	210	1.5	0.85	1:2.18	15
		HP-β-CD	449	2.7	1.82	1:1.55	14
		RAMEB	428	2.6	1.73	1:1.58	13
		CRYSMEB	312	2.5	1.26	1:1.79	13
Eugenol (4)	1038	α-CD	246	2	1.56	1:1.64	10
		β-CD	513	2.1	3.25	1:1.31	9
		HP-β-CD	445	2.2	2.81	1:1.36	12
		RAMEB	550	2.2	3.48	1:1.29	11
		CRYSMEB	440	2.1	2.78	1:1.36	10
p-Coumaric acid (5)	344	α-CD	1988	4.8	4.17	1:1.24	7
		β-CD	306	2.8	0.64	1:2.56	18
		HP-β-CD	1099	4.4	2.30	1:1.43	13
		RAMEB	1228	4.4	2.57	1:1.39	11
		CRYSMEB	900	4	1.89	1:1.53	11
Caffeic acid (6)	300	α-CD	1819	5.5	3.03	1:1.33	7
		β-CD	425	3.5	0.71	1:2.41	15
		HP-β-CD	534	3.8	0.89	1:2.12	18
		RAMEB	825	4.4	1.37	1:1.73	13
		CRYSMEB	552	3.8	0.92	1:2.09	14
Ferulic acid (7)	333	α-CD	1737	5.2	2.98	1:1.34	7
		β-CD	326	3.1	0.56	1:2.79	16
		HP-β-CD	833	4.4	1.43	1:1.70	13
		RAMEB	1045	4.8	1.79	1:1.56	11
		CRYSMEB	512	3.8	0.88	1:2.14	13

^aS_t and S₀ are the guest solubility in 10 mM CD solution and in water, respectively.