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Determination of tomato quality attributes using portable NIR-sensors

: Goisser, S.; Krause, J.; Fernandes, M.; Mempel, H.

Fulltext ()

Beyerer, Jürgen (Ed.); Puente Leon, Fernando (Ed.); Längle, Thomas (Ed.):
OCM 2019, 4th International Conference on Optical Characterization of Materials : March 13th-14th, 2019, Karlsruhe, Germany
Karlsruhe: KIT Scientific Publishing, 2019
ISBN: 978-3-7315-0864-9
ISBN: 3-7315-0864-8
DOI: 10.5445/KSP/1000087509
International Conference on Optical Characterization of Materials (OCM) <4, 2019, Karlsruhe>
Conference Paper, Electronic Publication
Fraunhofer IOSB ()
NIR; portable; tomato; brix; firmness; dry matter

As part of a research project a multidisciplinary approach of different research institutes is followed to investigate the possibility of using a commercially available miniaturized NIR-sensor for the determination of tomato fruit quality parameters in postharvest. Correlation of spectra and tomato reference values of firmness, dry matter and total soluble solids showed good prediction accuracy. Additionally the decline of firmness over storage time with respect to storage temperature of tomatoes could be modelled. Therefore, the decline of firmness as an indicator for shelf-life can be predicted using this portable NIR-Sensor.