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Articles

CHARACTERIZATION OF STRAWBERRY GENOTYPES BY PTR-MS SPECTRAL FINGERPRINTING: A THREE YEAR STUDY

Article number
708_87
Pages
497 – 500
Language
English
Abstract
Proton Transfer Reaction Mass Spectrometry (PTR-MS) fingerprinting has been used to accurately and rapidly identify the cultivar of single intact strawberry fruits.
The technique has been applied in a 3-cultivar experiment with 70 fruits harvested in 2002, 2003 and 2004. The proposed models correctly predicted the cultivar.
Cross-validation tests verified 100% correct classification.
The data indicated the possibility of correctly characterizing single fruit by fast non-invasive measurements without any pre-treatment and/or concentration of the headspace gas mixture.
This is a necessary preliminary step in view of correlation studies of PTR-MS data with
genetics and other characterization of fruits, in particular, sensory analysis.
Extension to more cultivars is envisaged.

Publication
Authors
F. Biasioli, F. Gasperi, D. Mott, E. Aprea, F. Marini, T.D. Märk
Keywords
VOCs analysis, Fragaria × ananassa, cultivar, PTR-MS, chemometrics
Full text
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