Page 222 - Analytical method for food addtives
P. 222

Analytical methods for food additives
              148
                           Sample preparation Reference Method conditions  11 mM berate buffer Additives were separated using a 20 Butyl paraben was used as an  mM sodium dodecyl mM sodium cholate, 15  with 35 internal marker sulphate and 10 % methanol added at pH 9.3  12 4 antioxidants were separated completely with excellent resolution and efficien







                               Cola beverages and




                           Matrix  jams  Antioxidants  Foods       Foods




                     Table 11.1 cont’d  (b)  Method  Micellar electrokinetic  chromatography  (MECC)  MECC vs HPLC  Stopped flow mixing  and a T-format  luminescence  spectrometer  Stopped flow mixing  and diode-array
   217   218   219   220   221   222   223   224   225   226   227