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Table 2 Calibration curve parameters, limit of detection (LOD), limit of quantification (LOQ) for the standards

From: Extraction optimization of medicinally important metabolites from Datura innoxia Mill.: an in vitro biological and phytochemical investigation

Standard Retention time (min) Calibration curve equation Correlation coefficient (r2) LOD (μg/ml) LOQ (μg/ml)
Gallic Acid 4.19 y = 24.857x – 45.174 0.9979 7.23 21.93
Catechin 7.10 y = 7.9854x – 17.565 0.9995 3.52 10.69
Caffiec Acid 9.66 y = 26.097x + 95.435 0.9924 13.67 41.45
Rutin 3.12 y = 8.3367x + 22.217 0.9966 9.91 27.85
Myrisitin 15.44 y = 5.2278x – 6.3043 0.9988 5.40 16.37
Quercitin 18.52 y = 12.21x – 20.348 0.9978 7.35 22.29
Kaempherol 21.328 y = 9.9944x + 15.261 0.9998 2.30 6.99
Apigenin 22.156 y = 18.111x + 25.565 0.997 5.04 15.29