Table 3.

Effect of MWCNT on changes in the lipid composition of the plasma membrane of roots of broccoli plants grown for 7 days with distinct treatments

	Control	MWCNTs	NaCl	NaCl + MWCNTs
Fatty acids
DBI	137.5 ± 5.53 a	151.8 ± 4.14 c	143.6 ± 4.41 b	153.4 ± 2.45 c
RUFA	0.75 ± 0.08 a	1.68 ± 0.01 b	0.95 ± 0.09 a	1.78 ± 0.12 b
Sterols
Stig/sitos	0.21 ± 0.01 b	0.09 ± 0.01 a	0.63 ± 0.07 b	0.08 ± 0.08 a
Prot/lipid ratio	1.25 ± 0.04 a	1.96 ± 0.09 b	1.38 ± 0.11 a	1.82 ± 0.046 b

Values with different letters are significantly different (n = 6, Tukey, P < 0.05)

RUFA ratio of unsaturated fatty acids = (18:2 + 18:3/18:1); DBI double bond index = ∑ (unsaturated fatty acids x number of double bonds)