Fresh Pressed

FP Juice was obtained of fresh strawberries, apples and grapes. The FP juice was clarified and then cryoconcentrated to different water activities (0·96-0·87). A 60Co radiation source was used for treatment. The samples were stored at 20–22°C. The storage life, colour and sensory quality of the samples were studied as a function of radiation dose and water activity. It was established that a cryoconcentrate of 0·90–0·92 water activity when treated with 0·8–1·3 Mrad, dependent on the initial cell count, may be considered microbiologically stable at a storage temperature of 20–22°C and its organoleptic quality is satisfactory.

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