Determination of Sodium N-Cyclohexylsulfamate in Food

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Determination of sodium N-cyclohexylsulfamate in food Author Chromatogram Ping Wang, SinoUnison Technology Co., Ltd Experimental background Sodium N-cyclohexylsulfamate, also known as "Sodium cyclamate", is commonly used as food sweeteners in food prodution. It is a non-nutritional sweetener with the sweetness that is 30-40 times of regular table sugar. It serves as an internationally accepted food additives that can be used in refreshing beverages, juices, ice cream, pastry food, preserved fruit, etc. If consumers often have beverages or other foods with excess sweetener content, it may harm the liver and nervous system due to excessive intake. Figure 1: Standard chromatogram of sodium cyclamate. At present, the detection methods of food sweetener content include: LC, GC, LC-MS, ion-exchange Results chromatography, etc. This method refers to "GB/T 5009.97-2016 determination of Sodium N- cyclohexylsulfamate in food". The sample was extrated with water, followed by reaction with sodium hypochlorite in strong acidic solution, forming N,N- Dichlorocyclohexanamine. High performance liquid chromatography (HPLC) was used for analysis after extraction with n-heptane. Retention time is used for Conclusion qualitative analysis, and external reference method is This method uses SVEA C18 Gold 5μm 110Å 250*4.6mm used for quantitive analysis. HPLC Column for the analysis of Sodium cyclamate. The Experimental analysis only takes 10min. This method is fast and simple with reliable results and good reproducibility. The Column: SVEA C18 Gold 5μm 110Å 4.6*250mm recovery rate is between 80%-110% that is suitable for Instrument: HPLC most analysis of sodium cyclamate in foods. Mobile phase: Methanol:water=90:10(v:v) Flow rate: 1.0 mL/min Column temperature: 35 °C Detector: UV 314 nm Extractant: Water Injection volume: 10μL Analyte: Sodium cyclamate 10 μg/mL Nanologica AB (publ)|556664-5023|Forskargatan 20G, SE- 151 36 Södertälje, Sweden|[email protected] .

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