Research Article

Fatty Acid Profiles of Stipe and Blade from the Norwegian Brown Macroalgae Laminaria hyperborea with Special Reference to Acyl Glycerides, Polar Lipids, and Free Fatty Acids

Table 1

Fatty acid content in the lipid fractions (mean ± SD, µg/g DW) of stipe and blade from L. hyperborea (, two injection parallels for each of these four sampling events).

Fatty acidStipeBlade
NLFFAPLNLFFAPL

C7:0 5 1.32 ± 0.09n.d.n.d.0.49 ± 0.03n.d.n.d.
C8:01.47 ± 0.110.70 ± 0.04n.d.5.36 ± 0.630.65 ± 0.03n.d.
C9:0n.d.0.41 ± 0.06n.d.n.d.0.64 ± 0.03n.d.
C10:00.76 ± 0.05n.d.n.d.4.98 ± 0.630.39 ± 0.06n.d.
C12:00.53 ± 0.091.66 ± 0.220.13 ± 0.010.73 ± 0.032.87 ± 0.120.09 ± 0.01
C13:0n.d.0.19 ± 0.01n.d.0.17 ± 0.010.96 ± 0.030.07 ± 0.01
C14:0101.28 ± 1.8021.94 ± 0.78272.39 ± 9.92223.80 ± 4.6594.20 ± 4.02312.39 ± 5.60
C14:0 13 methyln.d.0.33 ± 0.05n.d.n.d.0.39 ± 0.02n.d.
C14:1 trans-9n.d.0.20 ± 0.02n.d.n.d.1.86 ± 0.12n.d.
C14:1 cis-90.89 ± 0.040.13 ± 0.020.27 ± 0.032.45 ± 0.030.46 ± 0.020.38 ± 0.01
C15:00.95 ± 0.051.00 ± 0.052.52 ± 0.038.73 ± 0.186.40 ± 0.1810.43 ± 0.14
C16:0163.36 ± 5.0882.19 ± 3.08276.64 ± 6.91900.21 ± 17.85298.88 ± 12.12417.29 ± 5.39
C16:n.d.n.d.n.d.0.77 ± 0.101.31 ± 0.030.65 ± 0.02
C16:n.d.0.53 ± 0.040.37 ± 0.052.24 ± 0.092.75 ± 0.091.05 ± 0.02
C16:1 cis-974.99 ± 2.5614.38 ± 0.2154.60 ± 1.02179.65 ± 1.9474.12 ± 2.11104.78 ± 1.14
C17:00.32 ± 0.020.52 ± 0.060.57 ± 0.046.62 ± 0.241.73 ± 0.071.83 ± 0.05
C16:2 cis or trans-7,10(n-6)0.62 ± 0.040.13 ± 0.020.49 ± 0.072.00 ± 0.071.72 ± 0.052.53 ± 0.05
C17:1 cis-90.33 ± 0.030.10 ± 0.040.35 ± 0.34.14 ± 0.242.02 ± 0.051.96 ± 0.06
C18:05.95 ± 0.2817.35 ± 0.712.54 ± 0.0984.00 ± 2.0121.04 ± 0.704.42 ± 0.06
C18:1 cis-9234.12 ± 5.8747.46 ± 0.43418.07 ± 10.331200.51 ± 29.95219.90 ± 5.17546.84 ± 11.59
C18:1 cis-113.37 ± 0.312.27 ± 0.044.85 ± 0.2211.39 ± 0.216.64 ± 0.147.68 ± 0.14
C18:2 all-cis-9,12 (n-6)44.67 ± 1.762.70 ± 0.0948.39 ± 101183.66 ± 4.1927.79 ± 0.6788.57 ± 1.19
C18:3 all-cis-6,9,12(n-6)3.23 ± 0.22n.d.3.59 ± 0.1314.02 ± 0.183.02 ± 0.0612.29 ± 0.19
C20:06.67 ± 0.541.35 ± 0.071.52 ± 0.1049.59 ± 1.199.80 ± 0.254.79 ± 0.09
C18:3 all-cis-9,12,15 (n-3)7.31 ± 0.310.65 ± 0.032.37 ± 0.1583.56 ± 1.3821.99 ± 0.5325.22 ± 0.68
C20:1 cis-9n.d.0.39 ± 0.083.34 ± 0.187.87 ± 0.404.17 ± 0.059.75 ± 0.19
C20:1 cis-11n.d.0.16 ± 0.040.39 ± 0.050.89 ± 0.050.39 ± 0.020.95 ± 0.03
C18:4 all-cis-6,9,12,15 (n-3)5.6 ± 0.30.93 ± 0.0310.74 ± 0.2468.90 ± 1.2964.62 ± 1.33259.58 ± 2.77
C20:2 all-cis-11,14(n-6)3.73 ± 0.350.27 ± 0.054.88 ± 0.1810.35 ± 0.332.87 ± 0.128.57 ± 0.17
C20:1.93 ± 0.160.12 ± 0.020.90 ± 0.071.91 ± 0.050.50 ± 0.031.08 ± 0.03
C20:1.49 ± 0.140.07 ± 0.011.04 ± 0.064.50 ± 0.590.72 ± 0.042.71 ± 0.05
C20:n.d.0.04 ± 0.010.43 ± 0.031.20 ± 0.630.28 ± 0.020.79 ± 0.03
C20:3 all-cis-8,11,14(n-6)3.63 ± 0.350.16 ± 0.025.19 ± 0.2018.23 ± 1.290.80 ± 0.024.46 ± 0.08
C22:0n.d.0.06 ± 0.01n.d.0.93 ± 0.130.41 ± 0.02n.d.
C20:4 all-cis-5,8,11,14 (n-6)344.56 ± 11.4617.39 ± 0.3982.89 ± 1.49516.97 ± 11.5266.32 ± 2.11139.90 ± 1.25
C20:n.d.n.d.0.44 ± 0.042.80 ± 0.140.92 ± 0.043.21 ± 0.07
C20:4 all-cis-8,11,14,17(n-3)3.29 ± 0.26n.d.2.39 ± 0.1313.52 ± 0.333.76 ± 0.1710.12 ± 0.17
C20:5 all-cis-5,8,11,14,17 (n-3)81.72 ± 3.282.91 ± 0.0740.62 ± 0.87409.27 ± 9.5181.58 ± 1.90339.09 ± 3.60
C24:0n.d.0.29 ± 0.02n.d.0.64 ± 0.081.45 ± 0.06n.d.
C22:5 all-cis-7,10,13,16,19(n-3)3.01 ± 0.280.18 ± 0.011.56 ± 0.0915.37 ± 0.504.97 ± 0.1211.29 ± 0.26
C22:6 all-cis-4,7,10,13,16,19 (n-3)n.d.0.08 ± 0.010.33 ± 0.06n.d.1.67 ± 0.060.22 ± 0.02
C26:0n.d.0.27 ± 0.02n.d.n.d.1.08 ± 0.07n.d.

Total1101.14219.511244.774042.451033.022334.99

Fatty acids are identified by NIST library search only; unknown isomer of fatty acid, identified by NIST library search only; LA: linoleic acid; ALA: alpha linolenic acid; SDA: stearidonic acid; AA: arachidonic acid; EPA: eicosapentaenoic acid; DHA: docosahexaenoic acid; n.d. = not detected. NL, neutral lipid; FFA, free fatty acid; PL, polar lipid.