气相色谱法检测瓜子中环己基氨基磺酸钠含量的优化方法

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Optimization of Determination Conditions of Sodium N-cyclohexylsulfamate Content in Melon Seeds by Gas Chromatography

WANG Bingqiang （Liaocheng Inspection and Testing Center，Liaocheng 252ooo， China）

Abstract： This study optimized a gas chromatography method for determining Sodium N-cyclohexylsulfamate content in melon seeds. Results demonstrated that under the optimized conditions of 4mL sulfuric acid solution， 4mL sodium nitrite solution，and 5 shaking cycles，sodium N-cyclohexylsulfamate exhibited good linearity in the range of 6μg⋅mL-1 to 600μg⋅mL-1 ，with a correlation coefficient of 0.999 7. The recovery rate ranged from 93.5% to 99.2% ，and the relative standard deviations were 1.96% to 2.41% .The optimized method demonstrated advantages including lowreagent consumption，stable reproducibility，and high detection efficiency， efectively meeting the requirements for quantitative analysis of sodium N-cyclohexylsulfamate in melon seeds.

Keywords： gas chromatography; melon seeds; sodium N-cyclohexylsulfamate; optimization method

环己基氨基磺酸钠，别名甜蜜素，是一种典型的人工合成甜味剂，因其独特的化学特性被广泛应用于食品工业[]。（剩余3317字）