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Electronic nose analysis of sesame oil with different treatments: (A) aromatic species analysis, (B) principal component analysis. Note: Sensors (R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10) represented sensitivity for aromatic, nitrogen oxide, ammonia–aromatic, hydrogen, alkane–aromatic, broad-methane, sulfide, broad-alcohol, organic sulfur–aromatic, and broad-alkane compounds, respectively.
