Page 241 - Analytical method for food addtives

Analytical methods for food additives
160

Sample preparation Reference Method conditions 15 mM berate buffer Additives were separated using a 20 Butyl paraben was used as an internal mM sodium dodecyl mM sodium cholate, 15 with 35 marker sulphate and 10 % methanol added at pH 9.3 16 4 antioxidants were separated completely with excellent resolution and efficiency w

Cola beverages Antioxidants

Matrix and jams Foods Foods

Table 12.1 cont’d (c) Method Micellar electrokinetic chromatography (MECC) MECC vs HPLC Stopped-flow mixing and a T-format luminescence spectrometer Stopped-flow mixing and diode-array