Table 1.

Hydroxycinnamate contents in roots and leaves of Cichorium intybus and in vitro cultures of the plant, harvested at a stationary phase of growth (means of four measurements ± SD)

Plant material	Hydroxycinnamate content [% dry weight]
	CTA	5-CQA	DCTA	3,5-DCQA	4,5-DCQA	uCA	Total
C. intybus roots	–	0.062 ± 0.001	0.031 ± 0.001	0.152 ± 0.001	0.005 ± 0.001	0.003 ± 0.001	0.25 ± 0.01
C. intybus Dageraad roots	0.010 ± 0.001	0.118 ± 0.006	0.092 ± 0.005	0.285 ± 0.011	0.009 ± 0.002	0.022 ± 0.003	0.54 ± 0.03
C. intybus Sabau 3 roots	0.007 ± 0.001	0.128 ± 0.005	0.060 ± 0.004	0.229 ± 0.023	0.008 ± 0.001	0.021 ± 0.002	0.45 ± 0.04
C. intybus leaves	0.388 ± 0.015	0.467 ± 0.002	2.489 ± 0.125	0.108 ± 0.001	0.016 ± 0.002	0.130 ± 0.010	3.60 ± 0.16
C. intybus callus	–	0.310 ± 0.016	0.014 ± 0.001	0.990 ± 0.086	0.050 ± 0.003	0.064 ± 0.004	1.43 ± 0.11
C. intybus hairy roots	–	0.935 ± 0.078	0.132 ± 0.016	5.567 ± 0.512	0.190 ± 0.028	0.185 ± 0.018	7.00 ± 0.65
C. intybus hairy roots dark grown	0.006 ± 0.001	0.875 ± 0.107	0.052 ± 0.008	4.240 ± 0.409	0.199 ± 0.017	0.200 ± 0.009	5.57 ± 0.55

CTA caftaric acid, 5-CQA chlorogenic acid, DCTA cichoric acid, 3,5-DCQA 3,5-dicaffeoylquinic acid, 4,5-DCQA 4,5-dicaffeoylquinic acid, uCA unidentified caffeic acid derivatives