Cyclic low dose UV-C treatments retain strawberry fruit quality more effectively than conventional pre-storage single high fluence applications
- Ortiz Araque, Leidy Carolina
- Rodoni, Luis Maria
- Darré, Magalí
- Ortiz, Cristian Matias
- Civello, Pedro Marcos
- Vicente, Ariel Roberto
DOIAbstract
UV-C irradiation has been shown to reduce fruit decay and delay ripening. Based on an expected higher impact and applicability, UV irradiation treatments have been almost exclusively done before storage at relatively high doses. We evaluated the influence of the pattern of repeated short dose UV-C exposure on quality maintenance of strawberry fruit. Strawberries were subjected to the following treatments: Single-step UV: single 4 kJ m−2 irradiation prior to storage; two-step UV: two consecutive 2 kJ m−2 UV irradiations at harvest and after 4 days of storage and multi-step UV: five 0.8 kJ m−2 after 0, 2, 4, 6 and 8 days of storage respectively. A non-irradiated group was left untreated. Samples were stored at 0 °C for 13 days. All UV-C treat...
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