Table 1.

Specific results of HPLC-MS/MS analysis of fifteen lucerne extracts, where quantities are expressed as µg g⁻¹ of purified extract.

Compounds	Number of Extraction Experiments
	E1	E2	E3	E4	E5	E6	E7	E8	E9	E10	E11	E12	E13	E14	E15
Coumaric acid	5.98	3.93	0.64	5.22	2.69	2.41	2.38	2.70	2.63	1.18	4.25	2.49	1.85	0.45	4.07
Salicylic acid	103.18	225.70	54.80	87.86	64.48	84.84	66.38	2.00	96.87	43.07	58.49	91.34	119.56	45.01	221.41
Caffeic acid	0.78	0.97	0.42	0.36	0.58	0.47	0.60	0.61	0.38	0.27	0.15	0.26	0.60	0.25	1.24
Syringic acid	9.64	6.81	3.34	8.13	5.07	5.56	4.97	5.18	7.79	4.49	4.59	4.99	6.84	2.34	6.75
Ferulic acid	108.73	101.86	26.89	119.73	69.04	74.12	78.90	75.64	117.76	32.10	73.91	78.69	119.59	34.60	87.75
Protocatechuic acid	0.31	0.30	0.19	0.29	0.25	0.22	0.24	0.25	0.23	0.17	0.12	0.09	0.26	0.07	0.43
Sinapic acid	1.32	1.27	0.23	1.52	0.95	0.86	0.99	0.95	1.05	0.25	0.27	0.33	1.62	0.24	0.80
4-hydroxybenzoic acid	0.86	0.97	2.36	1.17	1.86	1.12	1.93	2.02	3.16	0.51	n.d.	n.d.	n.d.	0.24	0.36
Biochanin A	0.34	0.12	0.04	0.10	0.15	0.08	0.16	0.15	0.14	0.06	0.05	0.16	0.45	0.07	0.19
Esculetin	0.22	0.12	0.07	0.07	0.11	0.08	0.10	0.11	0.13	0.09	0.04	0.03	0.06	0.08	0.15
Esculin	0.01	n.d.	n.d.	n.d.	0.01	n.d.	0.01	0.01	0.01	n.d.	0.01	0.01	0.02	n.d.	n.d.
Naringenin	0.28	0.18	0.03	0.09	0.16	0.14	0.17	0.17	0.15	0.07	0.02	0.12	0.23	0.03	0.26
Naringin	0.01	0.01	n.d.	0.01	0.01	0.01	0.01	0.01	0.01	0.01	n.d.	n.d.	0.02	n.d.	0.01
Quercetin	2.04	0.86	0.28	0.96	0.55	0.73	0.56	0.59	0.73	0.32	0.66	0.68	2.23	0.40	1.36
Rutin	n.d.	n.d.	n.d.	0.01	0.02	0.00	0.02	0.02	n.d.	n.d.	n.d.	n.d.	0.01	n.d.	n.d.
Luteolin	0.14	0.17	n.d.	0.02	0.05	0.08	0.05	0.05	0.10	n.d.	n.d.	0.01	0.13	n.d.	0.11
Apigenin	2.60	1.22	0.08	0.02	0.46	0.98	0.55	0.49	1.57	0.47	n.d.	0.89	2.19	0.22	1.33
Σ=	236.44	344.49	89.37	225.56	146.44	171.7	158.02	90.95	232.71	83.06	142.56	180.09	255.66	84.00	326.22