Table 5.

Lipophilicity parameters determined by chromatographic methods (the logarithm of the retention factor, logk_w) and octanol/water partition coefficients logP obtained for chlorogenic acid and chlorogenates.

Compound	logkw						logP
	C18	C8	CN	IAM	PHE
5-CQA	3.88	1.11	2.09	0.74	1.45	Exp.	0.6 [1]
						Calc.	−0.45 [2] 0.07 [3] 0.69 [4]
Li 5-CQA	1.84	0.21	0.84	1.24	1.23
Na 5-CQA	2.24	1.11	1.35	1.84	1.43
K 5-CQA	2.36	1.24	1.84	1.91	1.84
Rb 5-CQA	3.21	1.84	2.23	2.84	2.24
Cs 5-CQA	3.74	2.13	2.64	3.84	2.64