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Table 1 Method performance parameters of HPLC method for the quantification of aflatoxins (AFB1, AFB2, AFG1 and AFG2) in betel nuts

From: Comparison of aflatoxins contamination levels in betel nuts (Areca catechu L.) imported from Asian countries

Toxins Correlation coefficient (R2) LOD (µg/kg) LOQ (µg/kg) Recovery range (%) RME (%) (n = 20) RSD (%) (n = 20) Measurement uncertainty (µg/kg)
AFB1 0.9994 0.04 0.12 94.8–98.9 2.25 1.21 0.12
AFB2 0.9997 0.03 0.09 93.1–97.1 1.65 1.37 0.14
AFG1 0.9995 0.06 0.18 93.2–97.2 1.12 0.84 0.09
AFG2 0.9998 0.05 0.15 92.8–96.2 0.98 1.04 0.12
Total AFs 0.9993 0.13 0.39 92.8–98.9 1.88 1.42 0.18
  1. HPLC high-performance liquid chromatography, AFB1 aflatoxin B1, AFB2 aflatoxin B2, AFG1 aflatoxin G1, AFG2 aflatoxin G2, LOD limit of detection. LOQ limit of quantification, RME relative mean error, RSD relative standard deviation