Fatty acid
Saturated
C10:0
C12:0
C14:0
C15:0
C16:0
C17:0
C18:0
Unsaturated
C15:1 ω5c
C16:1 ω7c alcohol
C16:1 ω7t alcohol
C16:1 ω5c
C16:1 ω6c
C16:1 ω8c
C16:1 ω9c
C17:1 ω7c
C17:1 ω7c
C17:1 ω8c
C18:1 ω5c
C18:1 ω6c
C18:1 ω7c
C18:1 ω7t
C18:1 ω8c
C18:1 ω9c
C18:1 ω13c
C19:1 ω12t
C20:1 ω9t
C20:2 ω6,9c
Branched -chain fatty acid
C10:0 iso
C11:0 iso
C11:0 iso 3OH
C12:0 iso 3OH
C13:0 iso
C13:0 iso 3OH
C14:0 iso
C15:0 iso
C15:0 iso 3OH
C15:1 iso G
C16:0 iso
C16:0 iso 3OH
C17:0 iso
C17:0 iso 3OH
Iso C17:1 ω7c
Iso C17:1 ω9c
C18:0 iso
C19:0 iso
C20:0 iso
C11:0 anteiso
C15:0 anteiso
C17:0 anteiso
Hydroxy fatty acids
C12:0 2OH
C13:0 2OH
C14:0 2OH
C16:0 2OH
C18:1 2OH
C10:0 3OH
C12:0 3OH
C16:0 3OH
CYCLO
C17:0 cyclo
C18:0 cyclo
C19:0 cyclo
C19:0 cyclo ω8c
Summed feature
1; C14:1 ω5t/C14:1 ω5c
2; C15:1 isoH/C13:0 3OH
3; C14:0 3OH/C16:1 isoⅠ
4; C16:1 ω7c/C15:0 iso 2OH
6; C18:0 ante/C18:2 ω6,9c
7; C18:1 ω7c/ω9t/ω12t
8; unknown 18.756/C19:1 ω11c
Methyl ester
C15:1 iso F
Unknown
11.798
16.580
17.909
18.079
18.447
20.093
Total
Total Area
Summed features represent groups of two of three fatty acids that could not be separated by GLC with the MIDI system.
Summed features ? Contained **
Values are percentage of total fatty acids; values less than 0.5% are not shown.
* The double bond position indicated by a capital letter is unknown.
algae1-1 algae1-2 algae2-1 algae 2-2
Fatty acid
Saturated
C12:0 0.41 1.81
C14:0 0.78 1.09 4.35 5.03
C16:0 14.50 13.15 45.92 42.36
C18:0 2.79 2.74 4.16 1.98
C20:0 0.23
Unsaturated
C15:1 ω8c 0.53 1.34
C17:1 ω7c 0.24 0.53
C18:1 ω9c 34.40 30.97 20.51 9.30
C20:4 ω6,9,12,15c 1.60
Branched -chain fatty acid
C19:0 iso 0.69
C14:0 anteiso 0.27 0.94 1.39 2.24
Hydroxy fatty acids
C16:0 2OH 0.54
C18:1 2OH 0.51 2.09
Summed feature
C16:1 ω7c/C15:0 iso 2OH 0.39 0.46 1.41 Summed feature 4
C18:0 ante/C18:2 ω6,9c 45.78 46.42 20.58 21.85 Summed feature 6
C19:0 CYCLO ω10c
0.56 1.48 2.83 4.05 Summed feature 9
/un 18.858/18.846
10-Methyl
C16:0 10 methyl 0.65
C17:0 10 methyl 0.54
C19:0 10 methyl 0.83 2.03
Total 99.99 100.00 99.74 99.50