Abstract
Excess fungicides can trigger many human health problems. Hence, measures for the degradation of fungicide residues are needed. In the present study, the efficiency of gamma radiation (0.5, 1.0, 1.5, 2.0 and 4.0 kGy) in the decomposition of carbendazim and azoxystrobin levels in strawberries was monitored. Irradiated strawberry samples were extracted using the QuEChERS (Quick, Easy, Cheap, Effective, Rugged, Safe) protocol. Quantification of carbendazim and azoxystrobin was performed using high-performance liquid chromatography. The radiation doses of 1.5, 2.0, and 4.0 kGy degraded 13.17, 15.95, and 27.99% of carbendazim and 25.53, 32.32 and 56.70% of azoxystrobin, respectively. Determination of the radiation dose required to decrease the fungicides by 50% (RD50) revealed that carbendazim was more resistant than azoxystrobin to gamma radiation.
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