Effect of gamma irradiation on the qualitative characteristics of freeze dried forest fruits | Влияние на гама облъчването върху качествените характеристики на лиофилизирани горски плодове
2012
Nacheva, I., Institute of Cryobiology and Food Technology, Sofia (Bulgaria) | Miteva, P., Institute of Cryobiology and Food Technology, Sofia (Bulgaria) | Metodieva, P., Institute of Cryobiology and Food Technology, Sofia (Bulgaria) | Todorova, Ya., Institute of Cryobiology and Food Technology, Sofia (Bulgaria) | Loginovska, K., Institute of Cryobiology and Food Technology, Sofia (Bulgaria)
The purpose of the present investigation was to establish the effect of a combined technological processing - freeze drying and gamma sterilization - with irradiation doses of 2 and 4 kGy on the qualitative characteristics on a set of forest fruits - blackberry, blueberry, aronia, strawberry and black elder. The results prove that the freeze drying technology and the applied irradiation dose of 2 kGy is sufficient to preserve the quality and prolong the shelf life of the studied products without damage of their physical-chemical and microbiological characteristics.
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