Influenza del trattamento postraccolta con etilene sulla disidratazione e macerazione su uve di Aleatico
Author(s)
Lodola, Luigi
Date Issued
February 16, 2010
Type
Doctoral Thesis
Abstract
The objective of this experimental work has been to evaluate the effect of ethylene on weight loss of Aleatico grape during dehydration and during grape maceration.
Pectinmethylesterase, polygalacturonase, α-galactosidase increased significantly their activities soon after the ethylene treatment. In parallel, the increase of weight loss was measured and at the end of dehydration period,
ethylene-treated berries lost approximately 5-6% more water than untreated samples. VOCs increased at the end of dehydration period in both samples above all in untreated one. Ethylene had negative effect on enzyme activities during maceration.
Additional information
Dottorato di ricerca in Biotecnologia degli alimenti
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