Safety improvement and quality retention of gamma irradiated spinach leaves
- Finten, Gabriel
- Garrido, Juan Ignacio
- Cova, María C.
- Narvaiz, Patricia
- Jagus, Rosa Juana
- Agüero, Maria Victoria
DOIAbstract
The purpose of this work was to evaluate γ‐irradiation effects on native microbiota, some phytochemicals and sensory attributes of fresh spinach (Spinacia oleracea L.) throughout 15 days of storage (6 °C ± 1 °C). The proposed treatment (1.5 kGy) effectively reduced native microbiota extending shelf life under refrigeration to 14 days, and the evaluated phytochemicals (polyphenols, compounds with antioxidant capacity, chlorophyll, carotenoids) were preserved with the exception of ascorbic acid, which was reduced by more than 80% after treatment. Sensory acceptability, evaluated by a consumer panel, of samples irradiated either at 1.5 or 3.0 kGy was good till the last analysis date (day 14). The target dose had a great performance, presenting...
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