. 2017 Jun 15;54(10):3050–3057. doi: 10.1007/s13197-017-2740-3

Table 3.

Fatty acid composition of acorn samples from different Quercus species (%)

	QF	QS	QP	QC	QB
C14	0.19 ± 0.05^bc	0.31 ± 0.06^a	0.18 ± 0.02^c	0.30 ± 0.09^ab	0.18 ± 0.04^c
C15	0.15 ± 0.02^a	0.15 ± 0.03^a	0.15 ± 0.01^a	0.16 ± 0.03^a	0.08 ± 0.01^b
C16	11.69 ± 1.19^b	14.27 ± 1.48^ab	12.17 ± 0.55^b	16.22 ± 0.99^a	12.28 ± 1.55^b
C16:1 (n-7)	0.36 ± 0.12^ab	0.26 ± 0.03^ab	0.38 ± 0.02^a	0.37 ± 0.15^a	0.17 ± 0.04^b
C17	0.16 ± 0.01^a	0.19 ± 0.01^a	0.15 ± 0.01^a	0.18 ± 0.01^a	0.19 ± 0.03^a
C18	3.50 ± 0.66^a	2.74 ± 0.54^a	3.23 ± 0.66^a	3.31 ± 0.44^a	4.03 ± 0.86^a
C18:1 (n-9)	62.44 ± 2.46^ab	56.25 ± 6.84^bc	57.46 ± 3.46^ab	48.02 ± 4.55^c	65.83 ± 3.75^a
C18:1 (n-7)	2.49 ± 0.24^a	2.23 ± 0.41^ab	2.36 ± 1.18^a	3.11 ± 0.76^a	1.40 ± 0.31^b
C18:2 (n-6)	16.42 ± 0.22^bc	20.73 ± 4.43^abc	21.30 ± 3.54^ab	25.38 ± 2.54^a	14.17 ± 2.98^c
C18:3 (n-3)	0.74 ± 0.21^b	1.34 ± 0.42^a	0.80 ± 0.10^b	1.57 ± 0.25^a	0.54 ± 0.18^b
C20	0.58 ± 0.18^a	0.26 ± 0.06^b	0.54 ± 0.15^a	0.29 ± 0.03^b	0.36 ± 0.04^ab
C20:1 (n-9)	0.43 ± 0.12^a	0.39 ± 0.08^a	0.39 ± 0.07^a	0.38 ± 0.04^a	0.36 ± 0.04^a
C20:2 (n-6)	0.04 ± 0.03^bc	0.08 ± 0.02^a	0.04 ± 0.04^bc	0.06 ± 0.02^ab	0.03 ± 0.05^c
C20:3 (n-6)	0.11 ± 0.04^a	0.09 ± 0.03^a	0.11 ± 0.02^a	0.09 ± 0.02^a	0.07 ± 0.01^a
C22	0.34 ± 0.17^a	0.35 ± 0.15^a	0.41 ± 0.11^a	0.28 ± 0.06^a	0.18 ± 0.01^a
C23	0.12 ± 0.05^ab	0.14 ± 0.07^a	0.12 ± 0.03^ab	0.10 ± 0.02^a	0.05 ± 0.06^b
C24	0.22 ± 0.10^a	0.23 ± 0.12^a	0.21 ± 0.04^a	0.16 ± 0.04^a	0.09 ± 0.01^a
Σ SFAs	16.96 ± 0.88^b	18.64 ± 1.87^ab	17.15 ± 1.44^b	21.01 ± 1.35^a	17.44 ± 1.01^b
Σ MUFAs	65.73 ± 2.36^a	59.13 ± 6.50^ab	60.59 ± 3.55^ab	51.89 ± 4.05^b	67.76 ± 3.93^a
Σ PUFAs	17.31 ± 2.14^bc	22.24 ± 4.74^ab	22.26 ± 3.61^ab	27.11 ± 2.80^a	14.80 ± 3.12^c

The mean ± standard deviation

^a–cDifferent superscripts in the same row indicate significant differences p < 0.05

% ∑SFAs, total saturated fatty acids; ∑MUFAs, total mono-unsaturated fatty acids; ∑PUFAs, total poly-unsaturated fatty acids, QF, Portuguese oak (Q. faginea Lam.); QS, Cork oak (Q. suber L.); QP, Pyrenean oak (Q. pyrenaica Wild), QC, Kermes oak (Q. coccifera L.); QB, Holm oak (Quercus ilex L. subsp. ballota [Desf.])