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Postharvest hexanal vapor applications on strawberry fruit

2021    Oz, A. T.; Kafkas, N. E.

Hexanal is successfully used in preharvest and postharvest applications in fruits and vegetables. It is commonly known as a volatile aroma substance that is mostly used in foods and considered as natural (GRAS) found in plants. Hexanal has an organic origin and environmentally friendly compounds and plays an important role against stress factors and regulates growth and development process in plants. In addition, it has an alternative potential instead of application of chemical fungicides due to having antifungal protection effects. It can be used to reduce the losses of pathogen-induced decay in fruits and vegetables. Strawberry is a soft fruit, characterized by rapid loss of texture during ripening. The significant postharvest loss in such fruits due to rapid and excessive softening have evoked considerable attention into the mechanism that governs the fruit softening process. For this purpose, in this study, efficiacy of various concentrations of hexanal vapor applications were studied to prolong the shelf life of 'Fortuna' strawberries with reducing of the fruit quality losses. According to obtained results, the concentration of postharvest hexanal applications have positive effect on the fruit quality and to extent the shelf life of the 'Fortuna' strawberry cultivar.