Abstract
Abstract The objective of this work was to evaluate the influence of the use of UV-C radiation at an intensity of 0.53 KJ m-2, during strawberry (Fragaria x ananassa) cultivation, on the physicochemical and phytochemical parameters of the fruits. The used experimental design was completely randomized, in a single-factor arrangement with 11, 19, 29, and 39 UV-C applications and without UV-C application. The hue of the fruits was smaller at the end of the study period. pH varied in strawberries that received 39 applications of UV-C, and the soluble solids content differed with 19 applications. Antioxidant activity was lower in fruits with 11, 19, and 29 UV-C applications, whereas vitamin C content was lower only in fruits that received 29 applications. The use of UV-C radiation at an intensity of 0.53 KJ m-2, during strawberry cultivation, affects the physicochemical and phytochemical parameters of the fruits, but does not cause losses in their quality.
Highlights
The objective of this work was to evaluate the influence of the use of UV-C radiation at an intensity of 0.53 KJ m-2, during strawberry (Fragaria x ananassa) cultivation, on the physicochemical and phytochemical parameters of the fruits
Antioxidant activity was lower in fruits with 11, 19, and 29 UV-C applications, whereas vitamin C content was lower only in fruits that received 29 applications
The objective of this work was to evaluate the influence of the use of UV-C radiation at an intensity of 0.53 KJ m-2, during strawberry (Fragaria x ananassa Duch.) cultivation, on the physicochemical and phytochemical characteristics of the fruits
Summary
The Brazilian production of strawberries of approximately 100 thousand tons per year does not meet the demand for internal consumption (Reisser Junior & Antunes, 2016), which has been. One of the environmentally friendly approaches to control undesirable microorganisms, including pathogens, in strawberry plants is the UV-C treatment (Takeda et al, 2019). In fruit farming, it has either been used in postharvest treatments to decrease disease incidence and severity (Chitarra & Chitarra, 2005) or applied to plants in the fructification stage (preharvest) to stimulate their resistance and potentialize compounds that are beneficial to health (Ramakrishna & Ravishankar, 2011). The intensity of UV-C radiation needed to reach positive effects on the control of pathogens and insects varies, as well as plant tolerance to radiation (Chitarra & Chitarra, 2005)
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