This document specifies the method principles, reagents and materials, instrumentation and equipment, sample preparation and storage, determination, result calculation, and detection limits for the determination of adenine, guanine, xanthine and hypoxanthine by ultra-high performance liquid chromatography-tandem mass spectrometry. , limit of quantification and precision. This document is applicable to the determination of purine based on the four purine contents (including adenine, guanine, xanthine and hypoxanthine) in fermented soy products and non-fermented soy products processed from soybeans or miscellaneous beans as the main raw material. .
T/SSFS 0007-2023 history
2023T/SSFS 0007-2023 Determination of purines in bean products Ultra performance liquid chromatography-tandem mass spectrometry