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Gambella, Filippo and Piga, Antonio <1965- > and Agabbio, Mario Carlo Salvatore and Leccis, Luisanna (2000) Essiccazione in corrente d'aria calda e conservazione di frutti della cultivar autoctona di susina "Sighera". In: Biodiversità: germoplasma locale e sua valorizzazione: atti del 4. Convegno nazionale, 8-11 settembre 1998, Alghero, Italia. Sassari, Carlo Delfino editore. p. 611-614. ISBN 88-7138-191-2. Conference or Workshop Item.
AbstractPlums of the local cultivar "Sighera" were harvested in Sardinia at the end of August, dried with hot air at
50C and 67 m3/min, vacuum packaged with a 95 μm tickness plastic film and stored for more than 270 days.
Fruits have been dipped in water alone at 60°C for 20 min or in 0.025% water solutions of NaCl, potassium
meta-bisulphite and potassium sorbate, respectively, before being dryed. Fresh and processed fruit were
inspected for: pH, titratable acidity, total soluble solids, water activity, percent dry matter and moisture, total microbial count and vitamin C content, with the latter two at certain intervals on stored product as well.
Technological means adopted turned out in a good overall appearance and taste product. In particular,
blanching with potassium sorbate stabilized dried fruits from the microbiological point of view and slowed down
vitamin C degradation.
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