γ-Irradiation effects on appearance and aroma of 'Kensington Pride' mango fruit (original) (raw)

San, A. T., Smyth, H., Joyce, D. C., Webb, R., Li, G.Q., Hofman, P. J. and Macnish, A. J. (2016)γ-Irradiation effects on appearance and aroma of 'Kensington Pride' mango fruit. Acta Horticulturae, 1111 . pp. 393-398. https://doi.org/10.17660/ActaHortic.2016.1111.56

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Article Link: http://dx.doi.org/10.17660/ActaHortic.2016.1111.56

Abstract

γ-Irradiation doses of 0.5 (target) and 1.0 (high) kGy were applied as insect disinfestation treatments to 'Kensington Pride' mango fruit. The effects of these treatments on fruit physicochemical properties and aroma volatile production were investigated and compared to non-irradiated controls. There were no significant effects of the irradiation treatments on flesh total soluble solids content. However, the loss of green skin colour usually associated with fruit ripening was inhibited by irradiation at both 0.5 and 1.0 kGy by approximately 32 and 52%, respectively, relative to non-irradiated fruit. Fruit exposed to 0.5 and 1.0 kGy exhibited a 58 and 80% reduction in emission of a-terpinolene volatiles, respectively. Thus, γ-irradiation at 0.5 and 1.0 kGy can have an adverse effect on 'Kensington Pride' mango fruit aroma volatile production and skin colouration.

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