(2011). Effect of Beta Irradiation on Quantitative and Qualitative Changes in Potatoes During Storage. , 12(3), 45-56. doi: 10.22092/jaer.2011.100318
. "Effect of Beta Irradiation on Quantitative and Qualitative Changes in Potatoes During Storage". , 12, 3, 2011, 45-56. doi: 10.22092/jaer.2011.100318
(2011). 'Effect of Beta Irradiation on Quantitative and Qualitative Changes in Potatoes During Storage', , 12(3), pp. 45-56. doi: 10.22092/jaer.2011.100318
Effect of Beta Irradiation on Quantitative and Qualitative Changes in Potatoes During Storage. , 2011; 12(3): 45-56. doi: 10.22092/jaer.2011.100318

Effect of Beta Irradiation on Quantitative and Qualitative Changes in Potatoes During Storage

تحقیقات مهندسی صنایع غذایی
Article 4, Volume 12, Issue 3, January 0, Pages 45-56    PDF (3.1 M)
Document Type: Research Paper
DOI: 10.22092/jaer.2011.100318
Abstract
Post-harvest management of potatoes is a major challenge in Iran. Approximately 30% of the harvest is lost
after a few months of storage. The chemical methods for long term storage are not adequate to control
deterioration and also produce undesirable side effects. To address this issue, a study on radiation
preservation of potatoes was carried out. Agria potato bulbs were irradiated using beta beams at dosages of
0 (control) to 150 Gray and then kept in conventional storage for 7 months. Irradiation was done at 1, 4 and
8 weeks after the date of harvest. Every six weeks moisture content, reduced sugar, sprouted tubers and
darkening of peeled potatoes were examined. The results showed that decreased sugar accumulation,
sprouting, weight loss and darkening of peeled tubers irradiated at 120 Gray decreased more significantly
(P ≤ 0.05) than for the less-irradiated tubers. Irradiation time had a significant effect on these parameters.
The best results were obtained for potato tubers irradiated before one month after harvest. The effect of
irradiation on nitrate content of the tubers was not clear. As the storage time increased, the moisture content
of the tubers decreased and, conversely, the reduced sugar and sprouted tubers increased. This treatment is
recommended as a method to decrease potato waste to less than 10%. None of the treatments are
recommended for treating seed potato tubers.
Keywords
Beta beam; irradiation; Potato; quality; Storage
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