55 results about "Torsemide" patented technology

The invention provides a method for qualitatively and quantitatively detecting torasemide illegally added into food and application. The method comprises the following steps: preparing a to-be-detected sample and a standard solution of torasemide; respectively measuring theto-be-detected sample and the standard solution by adopting a high performance liquid chromatography-tandem mass spectrometer; recording the chromatographic retention time of each compound in the food sample and the standard solution, taking the percentage relative to the strongest ion abundance as the relative abundance of a qualitative ion pair, and recording the relative ion abundance of corresponding components in the to-be-detected sample and the standard solution with equivalent concentration; and when a chromatographic peak consistent with the chromatographic peak retention time of the torasemide standard substance is detected in the sample to be detected, determining that the corresponding compound and the content are detected in the sample to be detected. The detection method disclosed by the invention is simple, convenient and rapid in pretreatment, strong in specificity and high in sensitivity, can be used for simultaneously carrying out qualitative and quantitative analysis on the torasemide in foods such as tablet candies, biscuits, drinks, oral liquid and tea drinks, and can be applied to screening illegal addition of the torasemide in food safety supervision.