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Radiation treatment for mangoes

Staff Reporter

SANGAREDDY: After globalisation took over economies and markets the world over, standardisation has become a part and parcel of it. Keeping this in view, the Fruit Research Station (FRS) at Sangareddy, the only mango research centre in the State, has initiated a project on standardisation of radiation technology for the improvement of shelf life of mangoes.

The project was sanctioned by the Board of Research in Nuclear Science in Mumbai two years ago for an amount of Rs. 14 lakh for the study.

The study is nearing completion. Under this project the irradiation doses were standardised for mango cultivators like Dashehari, Suvarnarekha and Totapari. The fruits were treated with irradiation at post-harvest technology laboratory. According to senior scientist and principal investigator of the project A. Bhagwan, it was proved in the study that the shelf life of the irradiated mango varieties has increased by 8-10 days when compared to the un-irradiated mango fruits.

Further, the irradiation has reduced the spoilage of the mango fruits during storage which is one of main constraint of export of the mango. According to senior scientist G. Satyanarayana Reddy, this would be helpful to increase the export of mango as many countries are demanding irradiated mango as a result of stringent quarantine regulations.

“During irradiation, foods are exposed briefly to a radiant energy source such as gamma rays or electron beams within a shielded facility. It helps kill harmful bacteria, greatly reducing potential hazards from spoilage bacteria, insects and parasites,” he told The Hindu.

Irradiation was approved in 2002 as an effective treatment for major pests in some fruits and vegetables entering the United States.

During last year, irradiated mangoes (Alphonso) from India were exported to the USA after 17 long years through irradiation facility of Krushak Irradiator at Lasalgaon in Nashik.

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