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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/225067
Application of HPLC-UV combined with chemometrics for the detection and quantification of ‘true cinnamon’ adulteration
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Cinnamon is one of the most popular spices used in cuisines worldwide. Among its different species, Ceylon cinnamon (“true cinnamon") is the one with the most health benefits due to its high concentration in the antioxidant eugenol and the ultra-low content of the hepatotoxic compound coumarin. However, the higher price of Ceylon cinnamon makes it vulnerable to fraudulent adulteration with more economic species of cinnamon, such as Cassia and Saigon. Thus, for the detection of frauds in cinnamon samples, a HPLC-UV method was developed for the determination of 4 characteristic cinnamon compounds: eugenol, cinnamaldehyde, coumarin and cinnamic acid. The obtained data were analyzed by PLS to attain not only the authentication of cinnamon species but also the detection and quantification of partial adulterations. Several mixtures prepared in the laboratory using different cinnamon powder samples considered ‘pure’ Ceylon, Cassia or Saigon were tested, concluding that the proposed approach allows a clear identification of Ceylon cinnamon and a suitable quantification of the Ceylon: non-Ceylon ratio regardless of the commercial sample selected (RMSE <0.06 for both training and test sets).
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PAGES-REBULL, J., SAGRISTÀ, Gemma, PÉREZ RÀFOLS, Clara, SERRANO I PLANA, Núria, DÍAZ CRUZ, José manuel. Application of HPLC-UV combined with chemometrics for the detection and quantification of ‘true cinnamon’ adulteration. _Talanta_. 2024. Vol. 271. [consulta: 15 de gener de 2026]. ISSN: 0039-9140. [Disponible a: https://hdl.handle.net/2445/225067]