Table 5.

Mean of the concentration expressed as µg/g of the low molecular weight phenolic compounds found in green woods of different botanical origin.

Species	Acids						Aldehydes					Coumarins		Total *
	Ellagic	Gallic	Syringic	Vanillic	Ferulic	Total *	Coniferyl	Sinapic	Syringic	Vanillin	Total *	Scopoletin	Aesculetin
Alternative woods
Q. pyrenaica (A) [11,14]	696	180	6.5	5,0	ns	888	4.07	4.74	8.94	5.87	24	1.08	ns	912
Q. pyrenaica (B) [11,14]	626	112	5.01	4.33	ns	747	3.9	4.24	8.52	7.22	24	4.42	ns	776
Q. pyrenaica (C) [11,14]	877	143	7.39	3.88	ns	1031	3.84	3.86	10.32	5.63	24	5.61	ns	1061
Q. pyrenaica (D) [11]	890	99.5	4.93	3.3	ns	998	2.34	3.2	7.27	3.61	16	4.23	ns	1018
Q. pyrenaica (D) [14]	890	124	4.93	3.8	ns	1023	3.06	5.62	7.67	3.69	20	9.55	ns	1052
Q. pyrenaica (E) [20,33]	183	63	1.59	1.84	0.51	250	3.26	2.48	1.79	1.91	9	2.04	0.83	262
Q. pyrenaica (J) [14]	692	83.5	4.19	2.15	ns	782	3.48	3.86	10.42	4.15	22	6.52	ns	810
Q. pyrenaica (K) [14]	654	15.99	3.88	1.57	ns	675	2.99	3.33	6.61	3.36	16	5.39	ns	697
Q. faginea (A) [20,33]	213	176	1.66	1.72	0.5	393	4.26	3.53	2.03	1.54	11	1.35	1.26	407
Q. humboldtti (A) [10]	286.88	77.6	3.56	4.18	ns	372	2.52	4.9	9.43	6.33	23	ns	ns	395
Traditional Quercus
Q. petraea Matts. [10,20,33]	560.73–195	145–16.17	8.40–2.31	6.66–1.9	1.16–ns	722–215	3.85–0.78	4.92–2.48	12.29–3.55	5.30–2.77	10–26	1.07–ns	2.54–ns	752–225
Q. robur L. [20,33]	186–253	100–341	2.69–9.51	1.98–4.74	1.3–1.06	292–609	3.77–6.32	3.94–4.29	3.75–11.4	2.91–6.81	14–29	2.27	1.83	647
Q. alba L. [10]	352.72	87.9	6.09	6.18	ns	453	3.08	5.57	14.4	9.27	32	ns	ns	485

Q. pyrenaica Willd. from: (A) Gata/Peña de Francia; (B) Guadarrama; (C) Cantabrian mountains; (D) Iberian System; (E) Álava; (J) Alitse–Maragatería; (K) Gredos/Ávila mountains. Q. faginea Lam. from: (A) Álava. Q. humboldtti Bonpl. from: (A) Colombia. The number superscript in the first column is the reference. *: total is calculated as the sum of all those presented in the table; ns: not studied compound.