Identification of carotenoids using mass spectrometry

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2014Suggested citation
Rivera Vélez, Sol Maiam;
Christou, Paul;
Canela i Garayoa, Ramon;
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(2014)
.
Identification of carotenoids using mass spectrometry.
Mass Spectrometry Reviews, 2013, núm. 9999, p. 1-20.
https://doi.org/10.1002/mas.21390.
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The present review compiles positive MS fragmentation data of selected carotenoids obtained using various ionization techniques and matrices. In addition, new experimental data from the analysis of carotenoids in transgenic maize and rice callus are provided. Several carotenes and oxygen-functionalized carotenoids containing epoxy, hydroxyl, and ketone groups were ionized by atmospheric pressure chemical ionization (APCI)-tandem mass spectrometry (MS/MS) in positive ion mode. Thus, on the basis of the information obtained from the literature and our own experiments, we identified characteristic carotenoid ions that can be associated to functional groups in the structures of these compounds. In addition, pigments with a very similar structure were differentiated through comparison of the intensities of their fragments. The data provide a basis for the structural elucidation of carotenoids by mass spectrometry (MS).
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Mass Spectrometry Reviews, 2013, núm. 9999, p. 1-20European research projects
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