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. 2021 May 16;59(7):2517–2526. doi: 10.1007/s13197-021-05141-1

Table 3.

Commonly used methods for CPA detection

Method of detection Technique LOD LOQ References
Capillary electrophoresis Capillary electrophoresis 20 ppb Prasongsidh et al. (1998)
Spectrophotometry Visible spectrophotometry 0.08 mg/kg Chang-Yen and Bidasee (1990)
Chromatography Thin layer chromatography 0.3 ng Matsudo and Sasaki (1995)
Liquid chromatography 4 ng Lansden (1984)
LC/UV (PDA) 0.01 µg/ml 0.03 µg/ml Saito et al. (2015)
LC–MS/MS 2.17 µg/kg 7.15 µg/kg Vulić et al. (2021)
Solid phase micro-extraction coupled to HPLC 3–12 ng/ml 7-29 ng/ml Aresta et al. (2003)
HPLC–MS/MS 0.2 µg/kg 0.5 µg/kg Ansari and Haeubl (2016)
Immunochemical techniques Competitive enzyme-linked immunosorbent assay (CI-ELISA) 2 µg Maragos et al. (2017)
Immunoassay utilizing Imaging Surface plasmon resistance 6–17 µg/kg Hossain et al. (2019)

LOD Limit of detection; LOQ Limit of Quantification