The Effect of Alcoholic Extract of Propolis and Hydro Cooling on Some Postharvest Characteristics of Cucumis sativus

Introduction  Cucumber is a vegetable with a low capacity for storage; it usually loses quality 14 days from the beginning of storage. The benefits of cold storage are not the same for all the fruit or vegetables, some given vegetables are more suitable for cold storage than others. However, pre-coo...

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Veröffentlicht in:Majallah-i ʻulūm-i bāghbānī 2022-05, Vol.36 (1), p.117-133
Hauptverfasser: V. Anisi, Y. Selahvarzi, M. Kamali, B. Abedi
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Sprache:per
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Zusammenfassung:Introduction  Cucumber is a vegetable with a low capacity for storage; it usually loses quality 14 days from the beginning of storage. The benefits of cold storage are not the same for all the fruit or vegetables, some given vegetables are more suitable for cold storage than others. However, pre-cooling is always advisable, because the products takes profit from the benefits of low temperatures in cold storage rooms. Due to the short shelf life of cucumber and the high speed of reducing its quality, various methods are used to maintain the quality of cucumber, such as edible coatings. Propolis, also called “bee-glue,” is a natural resinous substance produced by honeybees from plant exudates, beeswax, and bee secretions in order to defend the hives. Propolis has an important role in prevention of food loss weight and waste, thus helping to ensure food safety and security. The concoction of aqueous propolis extracts has a lower cost as compared to hydroalcoholic extracts and it is believable that both, aqueous and hydro alcoholic extracts, present similar concentrations of phenolic compounds resulting in a product of appropriate functional characteristics. Herein, the biochemical composition and efficacy of propolis in maintaining the postharvest storability of food products were discussed to provide a comprehensive guide to farmers and food processing and storage sectors and to scientists. Materials and Methods  In order to investigate the effect of two factors of hydro cooling and propolis as an edible coating on cucumber shelf life, this study was conducted in the spring and summer of 2019 in the laboratories of horticultural sciences, Faculty of Agriculture, Ferdowsi University of Mashhad. The factorial experiment was based on a completely randomized design. Experimental treatments included three levels of propolis alcoholic extract (0, 4 and 8%) and two temperature treatments (4 (hydro cooling temperature) and 25 ° C) in 4 replications. Weight loss, tissue firmness, extract pH, total soluble solids, chlorophyll a, chlorophyll b, total chlorophyll, total phenol and antioxidant activity were measured. The experimental data were analyzed using Jump-8 statistical software and the means of treatments were compared by LSD test at 5% probability level. Results and Discussion  Results showed that the interaction of treatments had an effect on fruit weight loss percentage, firmness, and antioxidant activity, chlorophyll and total soluble solids. Thus, the highes
ISSN:2008-4730
2423-3986
DOI:10.22067/jhs.2021.68874.1020