Table 3.

Fatty acid composition of the PC and PE classes of phospholipid extracted from plasma membranes of C. maenas walking legs of crabs heterothermally acclimated with their CNS at 8°C

FA	PC		PE
	8°	22°	8°	22°
16:0	16.2  ± 0.63	17.53  ± 0.63∗∗	7.65  ± 0.23	9.03  ± 0.59∗∗
16:1	9.37  ± 0.32	6.68  ± 0.22∗∗∗	4.04  ± 0.23	3.34  ± 0.32
17:1	1.77  ± 0.19	1.38  ± 0.23∗∗	1.6  ± 0.07	1.21  ± 0.16∗
18:0	1.46  ± 0.08	2.29  ± 0.16∗∗	5.18  ± 0.11	5.37  ± 0.22
18:1	26.23  ± 0.37	24.24  ± 0.77∗∗	19.54  ± 0.43	17.39  ± 0.64∗
20:4	2.87  ± 0.76	2.87  ± 0.68	4.68  ± 1.05	3.9  ± 0.7
20:5	21.62  ± 0.91	21.41  ± 0.98	28.23  ± 0.85	26.35  ± 1.43
22:6	10.0  ± 0.75	12.1  ± 1.24∗	19.09  ± 1.15	20.57  ± 2.1
SFA	21.22  ± 1.2	23.7  ± 1.16∗∗∗	16.12  ± 0.56	18.22  ± 0.9∗
MUFA	39.46  ± 2.69	34.9  ± 0.57∗∗∗	27.14  ± 0.82	25.22  ± 0.55
PUFA	36.91  ± 0.95	39.09  ± 1.07∗	54.67  ± 1.18	54.89  ± 0.7
S/U	0.271  ± 0.02	0.319  ± 0.02∗∗	0.192  ± 0.01	0.230  ± 0.01∗

Values are given as mean ± SEM. Abbreviations are as in Table 1.∗P < 0.05; ∗∗, P < 0.01; ∗∗∗, P < 0.001. n = 6.