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Table 2 SIM, regression data, LOD, LOQ and recovery of 11 investigated compounds analyzed by GC-MS

From: Comparison of sterols and fatty acids in two species of Ganoderma

Analytes SIM Linear regression data R2 LOD
(ng)
LOQ
(ng)
Recoverya
(%, n = 3)
   Regressive Equation Linear range (ng)     
Lauric acid 257 y = 55788x - 7172 0.2-4.7 0.9991 0.070 0.132 99.5
Myristic acid 285 y = 92491x - 9626 0.2-4.7 0.9994 0.039 0.073 99.9
Pentadecanoic acid 299 y = 100984x - 19569 0.3-8.6 0.9998 0.065 0.123 98.5
Palmitoieic acid 311 y = 107565x - 28765 0.4-11.8 0.9994 0.084 0.231 99.1
Palmitic acid 313 y = 13939x - 713 0.5-15.1 0.9990 0.064 0.118 101.4
Linoleic acid 337 y = 16543x - 9768 1.3-6.3 0.9982 0.220 0.413 101.3
Oleic acid 339 y = 36027x - 9874 0.4-7.0 0.9992 0.119 0.155 101.1
Stearic acid 341 y = 68023x - 67 0.3-37.7 0.9995 0.141 0.268 96.9
Docosanoic acid 397 y = 103013x - 88418 1.5-4.9 0.9990 0.485 0.971 100.2
Lignoceric acid 425 y = 103037x - 35337 0.6-9.3 0.9984 0.223 0.527 97.3
Ergosterol 363 y = 40732x - 6971 0.5-3.8 0.9989 0.251 0.471 101.9
  1. a Recovery (%) = (amount found-original amount)/amount spiked.