INVESTIGATION OF THE EFFECT OF PACKAGING WITH MODIFIED ATMOSPHERE AND HUMIDITY ON SHELF LIFE AND QUALITY DURING STORAGE OF HASS AVOCADO FRUITS
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DOI:
https://doi.org/10.25712/ASTU.2072-8921.2025.01.003Keywords:
avocado, Hass variety, fruit packaging films, quality markers, shelf life, climatic conditions, physio-logical conditionAbstract
In the current conditions of growing demand for healthy nutrition in Russia, the volume of sales of fresh fruit and vegetable products in 2024 increased by more than 3.5 %, while the volume of avocado consumption grew by 10 %. The volume of avocado imports is increasing annually. Avocados are supplied to Russia from subtropical and tropical growing regions, the most important of which are Peru, Mexico, Colombia, Kenya, Chile and China. Avocado belongs to tender preferential imported fruits with short shelf life. Avocado fruits are climacteric fruits, they are harvested at mature green stage of maturity and ripen during storage. The fruits are very sensitive to temperature deviations from the optimal recommended climatic regime. At temperatures below 6-80 ºC they get cold and lose the ability to ripen. When the temperature rises, fruits activate ethylene synthesis and quickly become overripe, soften and lose their quality. Taking into account the distance of deliveries, there is a problem in preserving the necessary level of consumer properties and homogeneous degree of maturity at the stages of goods transportation. This paper presents the results of the research of the influence of packaging materials made of polymer films with different barrier characteristics, affecting the composition of the modified gas environment and relative humidity of the atmosphere during storage, on the activity of physiological processes, ripening rate, consumer properties and shelf life of avocado fruits of Hass variety. Physiological state and potential shelf life of the fruits were determined by indicators characterizing the activity of fruit respiration, dynamics of ethylene release, hardness of fruit pulp, sugar content, color of peel, level of natural loss and organoleptic quality indicators during fruit storage at 8 and 20 ºC. The individual influence of the investigated types of film packaging materials on the activity of physiological processes, shelf life and product losses at the stages of commodity circulation was established.
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Copyright (c) 2025 Ludmila G. Eliseeva, Nikita O. Rakov, Petr I. Tokarev, Daria S. Kokorina, Angela H. Sokolova, Tatiana A. Santuryan
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