Validation study of rapid analytical method for determination of cyclamate in various kinds of foods by LC-MS/MS
2019
Daimon, T. (Koshigaya City Public Health Center Hygiene Inspection Section, Koshigaya, Saitama (Japan)) | Saito, K. | Takahashi, K. | Hamada, Y.
A rapid, sensitive and selective analytical method by LC-MS/MS was developed and validated for the determination of cyclamate in various kinds of foods. The Preparation of test solutions was performed by heat extraction technique in accordance with an official notification method in Japan. We aimed to reduce the matrix effects in LC-MS/MS only by diluting extracts without clean-up using solid phase column. This method was assessed for 30 kinds of foods fortifying cyclamate at the concentration level of 0.5 μg/g. As a result, trueness was 85.0 to 106.6%, repeatability (RSDr) ranged from 1.7 to 9.4%, and within-laboratory reproducibility (RSDWR) ranged from was 4.1 to 9.7%. These date supported the reliability our method. Thus, this method could be useful for a rapid determination of cyclamate in various kinds of foods.
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