PRESERVATION OF STRAWBERRIES BY Co$sup 60$ GAMMA-RADIATION (in Japanese)
Strawberries packed in shallow wooden cases were sealed in polyethylene bags and irradiated at room temperature by Co/sup 60/ gamma rays at dosages of 0, 5, 10, 20 and 40 x 10/sup 4/ r. Preservation tests were performed at 4 deg C for 45 days after irradiation. The deterioration of qualities by irradiation was not too serious and even at the high dosage up to 40 x 10/sup 4/ r, only a little decoloration of the fruit juice and slight softening of the texture was observed. A low dosage of 5 x 10/sup 4/ r was fairly effective in retarding the appearance of visible fungus growth. The polyethylene seal seemed to prevent a microbial post-infection. Possibilities of radiopreservation of strawberries at a comparatively low level dose are also discussed. (P.C.H.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-17-036099
- OSTI ID:
- 4653075
- Journal Information:
- Tokyo Metropolitan Isotope Centre Ann. Rept., Vol. Vol: 1; Other Information: Orig. Receipt Date: 31-DEC-63
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
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