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Proceedings Paper

Vibrational spectroscopy in the monitoring of chilling injury in fruits and vegetables
Author(s): Alessandro Bertoluzza; G. Bottura; P. Filippetti; M. R. Tosi; M. Vasina
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Paper Abstract

Vegetable marrows (cv. Seme Bolognese) and peach fruits (cv. Suncrest) were stored at different chilling temperatures in order to evaluate, by vibrational spectroscopy, the unsaturation degree of the total lipidic component and other possible markers of chilling injuries. Capillary Gas Chromatography also has been applied to evaluate the unsaturation degree of the esterified fatty acids. Both methodologies indicate a general increase of the unsaturation degrees with storage time. This can be interpreted as a better adaptation capability of the fruits to low temperatures. Moreover, the FTIR-ATR methodology points out the onset of a hydrolysis reaction of the esteric phosphate group of phospholipids during storage.

Paper Details

Date Published: 17 June 1993
PDF: 6 pages
Proc. SPIE 1922, Laser Study of Macroscopic Biosystems, (17 June 1993); doi: 10.1117/12.146162
Show Author Affiliations
Alessandro Bertoluzza, Univ. di Bologna (Italy)
G. Bottura, Univ. di Bologna (Italy)
P. Filippetti, Univ. di Bologna (Italy)
M. R. Tosi, Istituto di Citomorfologia Normale e Patologia/CNR (Italy)
M. Vasina, Univ. di Bologna (Italy)

Published in SPIE Proceedings Vol. 1922:
Laser Study of Macroscopic Biosystems

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