Page 235 - Analytical method for food addtives
P. 235

Carrier gas N 2  at 4 mL/min
                                                               programmed 140–300 ºC.
                                                               mm,
                                                               m × 0.53
                                                                 1.5 µm)
                                                               (30
                                                                   ether and 0.2 % tetradecanol added and
                                                               60–80 mg oil sample and vortex-mixed
                                                                 for 20 min methylation. Extracted with
                                                                     mixed thoroughly. 0.3 µL ether layer
                   Summary of methods for BHA in foods  Reference Detection Conditions  Column Sample preparation/extraction  1 FID at 210 ºC Injection size 3.0–9.0 µL, 2 columns: QF-1 and Ground sample placed in chromato- flash heater 200 ºC, N 2  flow Apiezon L/gas-chrom graphic column and eluted with CS 2 , rate: 40 mL/min for Apiezon Q at 160 ºC















                   Table 12.1  (a)  Matrix  Method  Cereals  GC  Fatty foods  GC  Foods  GC–MS   (SIM)  Edible fats  GC  and oils
   230   231   232   233   234   235   236   237   238   239   240