Comparative Metabolite Fingerprinting of Four Different Cinnamon Species Analyzed via UPLC-MS and GC-MS and Chemometric Tools.

Citation:
Farag, M. A., E. M. Kabbash, A. Mediani, S. Döll, T. Esatbeyoglu, and S. M. Afifi, "Comparative Metabolite Fingerprinting of Four Different Cinnamon Species Analyzed via UPLC-MS and GC-MS and Chemometric Tools.", Molecules (Basel, Switzerland), vol. 27, issue 9, 2022.

Abstract:

The present study aimed to assess metabolites heterogeneity among four major species, including true cinnamon () and less explored species (, , and ). UPLC-MS led to the annotation of 74 secondary metabolites belonging to different classes, including phenolic acids, tannins, flavonoids, and lignans. A new proanthocyanidin was identified for the first time in along with several glycosylated flavonoid and dicarboxylic fatty acids reported for the first time in cinnamon. Multivariate data analyses revealed, for cinnamates, an abundance in versus procyandins, dihydro-coumaroylglycosides, and coumarin in . A total of 51 primary metabolites were detected using GC-MS analysis encompassing different classes, . sugars, fatty acids, and sugar alcohols, with true cinnamon from Malaysia suggested as a good sugar source for diabetic patients. Glycerol in , erythritol in , and glucose and fructose in from Malaysia were major metabolites contributing to the discrimination among species.

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