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Table 3 Comparison of the proposed method with other methods for the determination of ASP

From: PCN-222 metal–organic framework: a selective and highly efficient sorbent for the extraction of aspartame from gum, juice, and diet soft drink before its spectrophotometric determination

SorbentDetection techniqueLOD (mg.L−1)Sorbent capacity (mg.g−1)linear range (mg.L−1)Enhancement factorRSD (%)Ref.
Sephadex G-25Spectrophotometry-FIA0.3NM0.001 –0.2NM1[36]
C18cartridgesHPLC/UVNMNMNMNM3.1[37]
Monolithic molecularly imprinted polymerCapillary electrophoresisNMNM0.0001–0.0004NM2.7[38]
Tetraethylenepentamine functionalized Fe3O4 magnetic polymerHPLC0.14NM0.005–0.05NM3.8[39]
Ethylenediamine-functionalized magnetic polymerUltra-fast liquid chromatography–mass spectrometry0.15NM0.005–0.5NM1.1–2.8[40]
PCN-222(Fe) MOFSpectrophotometry0.0193560.0–1003571.7This work
  1. NM Not mentioned