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      a: Fatty acid was identified based on the retention time of standard fatty acids
        | Fatty acidsa | Relative    content (%)b |  
        | 0.01    CO2 | 0.03    % CO2 | 3.0 % CO2 | 9.0 % CO2 | 12 .0 % CO2 |  
        | C12:0 | 0.23 | 0.20 | 0.10 | 1.24 | 1.52 |  
        | C14:0 | 4.11 | 6.25 | 8.57 | 9.01 | 10.12 |  
        | C16:0 | 24.85 | 25.32 | 26.51 | 26.60 | 27.26 |  
        | C18:0 | 1.81 | 1.24 | 0.67 | 1.05 | 1.30 |  
        | C18:1 | 1.81 | 3.63 | 2.42 | 3.70 | 3.81 |  
        | C18:2 | 9.34 | 6.05 | 6.47 | 4.22 | 2.11 |  
        | gC18:3 | - | 4.81 | 5.20 | 6.65 | 4.79 |  
        | C18:4 | 3.11 | 1.55 | 2.17 | 1.84 | 1.45 |  
        | C18 | 49.68 | 46.04 | 44.26 | 41.41 | 40.16 |  
        | C20:0 | 2.13 | 1.80 | 1.81 | 1.48 | 1.66 |  
        | C22:0 | 2.19 | 1.15 | 1.08 | 1.21 | 0.98 |  b: The amount of the fatty acid wasevaluated through the peak area
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