Metabolomic profiling is a relatively new method used to distinguish between subpopulations within a general sample population, by identifying specific biomarkers. This technique was used to create a metabolomic profile for organic chicken eggs, towards an effort to combat food fraud. Organic chicken eggs are produced by chickens that were not administered any hormones nor drugs, thus their metabolic products should be different from non-organic chickens. Metabolites were extracted from the egg yolks of three brands (two organic brands and one regular brand), and analyzed using Principal Component Analysis (PCA) of the 1H Nuclear Magnetic Resonance (1H NMR) data. This analysis resulted in a statistical plot within a high confidence interval, which showed a definite difference between organic and regular chicken eggs. The data was also analyzed using Partial Least Squares Discriminant Analysis (PLS-DA) which confirmed this difference, therefore we are able to create a metabolomic profile for organic chicken eggs.

Is it organic? Principal component analysis of chicken eggs using 1H NMR spectra

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.