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PCA Score plots analysis. PC1 vs. PC2 score plot for each extraction method. The total explained varience is >93%. The ovals represent 95% confidence intervals. Each oval represents a sample group and each point in the oval represents a single sample. All three extraction methods are compared where red oval is AAM (ammonium acetate methanol), blue oval is WM (water methanol), and green oval is PM (phosphate buffer methanol) extraction method.
