Abstract
SummaryAntifungal effectiveness of potassium sorbate (KS) incorporated into edible coating composed of carboxymethyl cellulose and candelilla wax blend (CMC‐CnW) was tested on apricots inoculated with fungi. The efficiency of KS‐added coating was higher than KS‐free formulation. The antifungal action of KS‐free coating was likely associated with a reduced access of oxygen to the infection sites and, consequently, modification of the gaseous atmosphere within the fruit tissues. Rhizopus nigricans as the fastest growing fungus was the most resistant to the coating treatment. In turn, KS‐loaded coating was very effective against Botrytis cinerea and Monilinia fructigena. Coating significantly delayed softening of apricots. The results of this study demonstrate that KS can be incorporated into coating to control common fungal diseases of apricots. Nevertheless, the CMC‐CnW coating treatment inhibited the respiratory functions and caused deterioration in the fruit sensory quality.
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