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Table 1 – Fatty acid profiles of food and ants at the beginning and end of the experiment

From: Patterns and dynamics of neutral lipid fatty acids in ants – implications for ecological studies

  Formica fusca Myrmica rubra Myrmica rubra larvae Food
NLFA Week 0 Week 8 Queens Week 0 Week 8 Queens Week 0 Week 8  
+ - + - + - + - + - + - + - + - + -
C12:0
lauric
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.6
(t)
0.4
(t)
0.2
(t)
0.3
(t)
0.1
(1)
0.2
(t)
3.9
(t)
2.4
(t)
0.4
(t)
1.0
(t)
t
(t)
t
(t)
C14:0
mystric
0.5
(t)
0.3
(t)
0.3
(t)
0.6
(t)
0.1
(t)
0.3
(t)
1.9
(1)
1.6
(t)
0.6
(1)
0.5
(1)
0.1
(1)
0.4
(1)
8.8
(1)
5.0
(1)
1.2
(1)
2.7
(1)
t
(t)
t
(t)
C16:0
palmitic
59.0
(25)
40.6
(25)
95.2
(12)
129.8
(18)
25.5
(11)
30.5
(18)
55.7
(18)
54.0
(18)
23.1
(32)
31.3
(30)
3.0
(26)
10.3
(17)
532.7
(54)
397.1
(59)
48.9
(33)
50.1
(25)
9.2
(8)
0.8
(32)
C16:1n9
palmitotelic
4.1
(1)
0.9
(t)
2.6
(t)
4.6
(1)
0.9
(t)
2.4
(1)
6.7
(2)
2.6
(1)
1.1
(1)
1.8
(1)
0.1
(1)
1.6
(3)
11.3
(1)
2.7
(t)
1.2
(1)
8.1
(4)
0.1
(t)
t
(1)
C18:0
stearic
11.6
(10)
11.4
(12)
26.5
(3)
22.3
(3)
7.2
(3)
5.3
(3)
13.1
(5)
17.4
(6)
7.6
(15)
7.7
(13)
1.7
(15)
1.3
(3)
242.2
(25)
209.2
(31)
29.8
(20)
23.4
(12)
6.6
(6)
0.1
(4)
C18:1n9
oleic
284.7
(64)
224.6
(62)
523.7
(67)
570.3
(78)
151.4
(66)
135.4
(77)
273.5
(74)
251.7
(74)
80.0
(48)
129.2
(55)
4.4
(26)
46.1
(76)
202.6
(19)
51.5
(8)
39.4
(27)
112.2
(56)
1.8
(2)
1.5
(59)
C18:2n6
linoleic
0.4
(t)
0.4
(t)
4.2
(1)
0.2
(t)
3.0
(1)
0.5
(t)
1.3
(1)
1.6
(1)
2.4
(2)
0.3
(t)
1.1
(7)
0.4
(1)
3.2
(t)
2.1
(t)
3.4
(2)
1.3
(1)
5.3
(4)
0.1
(2)
C18:3n3
α-linolenic
0
(0)
0
(0)
138.8
(17)
0
(0)
30.8
(14)
0
(0)
0
(0)
0
(0)
3.9
(2)
0
(0)
3.1
(18)
0
(0)
0
(0)
0
(0)
20
(14)
0
(0)
80.9
(72)
t
(1)
C18:3n6
γ-linolenic
0
(0)
0
(0)
22.5
(3)
0
(0)
9.1
(4)
0
(0)
0
(0)
0
(0)
1.3
(1)
0
(0)
0.9
(5)
0
(0)
0
(0)
0
(0)
1.7
(1)
0
(0)
8.9
(8)
0
(0)
C20:0
arachidic
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0
(t)
0.2
(t)
0.2
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.1
(t)
0.7
(t)
0.6
(t)
0.2
(t)
0.1
(t)
t
(t)
t
(t)
Total 360.3 278.4 813.9 728.0 228.0 174.5 353.1 329.7 120.3 171.2 14.5 60.3 1005.5 670.6 146.3 198.9 112.8 2.6
Sample size 3 3 3 3 3 3 3 3 3 3 2 3 3 3 1 1 3 2
  1. Average amounts are given in μg of NLFA/mg of dry weight (fresh weight for food). Values in brackets are average percentages of the total composition of NLFAs per sample. +: high-fat treatment; −: low-fat treatment; t: detected in trace amount (less than 0.1 μg/mg or 1% of composition)