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Principal Component Analysis (PCA) score plots of (A) intracellular metabolites and (B) extracellular metabolites. Red circles (1–6) represent untreated P. globosa cells; blue circles (7–12) represent P. globosa cells treated with 34.29 μg/mL luteolin-7-O-glucuronide for 48 h. The confidence ellipse is 95%.
