Abstract

Fresh dried and old (6-12months) dried kachri (Cucumis callosus) were treated with 0, 2.5, 5 and 7kGy of gamma radiation in a cobalt 60 gamma cell (GC-1200). The irradiated samples of kachri were stored at room temperature (28 ± 2°C). Total bacterial count and nutrient composition were evaluated immediately after irradiation and at regular intervals of 1month during 3months of storage. Results indicated that gamma radiation reduced the total bacterial counts of dried samples of both fresh and old dried kachri. Dose of 5.0kGy was sufficient to eliminate total bacterial count and there was no microbial growth in 5.0kGy irradiated samples during the storage period. No significant differences were observed in the proximate composition of both types of kachri at all irradiation doses. It was concluded that irradiation treatments of kachri improves keeping quality of both freshly dried and old dried Kachri.

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