Page 212 - Analytical method for food addtives

140 Analytical methods for food additives

Reference 3 13 2 12 24 7 4

Recoveries were >93 %. 30 apple juice samples analysed from various countries. 15 samples analysed (n=3) Fumaric acid content 1.94±0.07 mg/g dry weight (n=3)

Statistical parameters RSD 1.1–6.4 % (n=6). See Table 10.4 Fumaric acid levels ranged from ND–4.3 mg/L RSD 0.13 % Recovery 98.2–104.5 % Recovery 92 %

Extent of validation Performance of method established on spiked samples No performance data available. Method used for survey No performance data available. Method used for survey (30 samples) No performance data available. Method used for survey No performance data available. Method applied to samples No details give

Matrix Orange juice Lager beers Apple juice Apricot cultivars Strawberry tree fruits Apple drinks Fruits, juices

Table 10.2 cont’d Method HPLC HPLC LC HPLC GC–MS HPLC IEC