Indicators Principal component Principal component
PC1 PC2
Oil content -0.435 0.859
C16:0 0.916 -0.089
C18:0 0.883 0.301
C18:1n9c 0.802 -0.011
C18:2n6c 0.941 0.229
C18:3n3 0.782 0.3
C20:1 0.964 -0.018
C22:1n9 0.939 -0.046
C24:1 0.895 -0.215
Eigen value 6.56 1.027
Contributive percentage/% 72.884 84.293