The use of an array of chemical sensors to monitor the degree of maturity of Hass avocado fruits
https://doi.org/10.20914/2310-1202-2026-2-
Abstract
The article presents the results of a study of the effectiveness of using the method of non-destructive testing to determine the degree of maturity of Hass avocados using an electronic nose sensor system based on a multichannel piezo gas analyzer MAG-8. The relevance of the study is due to the need to assess the physiological activity and potential shelf life of climacteric fruits by replacing subjective organoleptic assessments with objective instrumental online control methods in the supply chain in order to minimize the loss of perishable products. The purpose of this study was to evaluate the possibility of using a multiselective array of piezoquartz sensors of the multichannel gas analyzer MAG-8. to develop an express non-destructive method for assessing the degree of maturity of avocado fruits, which minimizes product losses at all stages of the supply chain. The obtained results made it possible to differentiate fruits by stages of maturation (immature, ripe, overripe) based on the analysis of profiles of volatile organic compounds (VOCs) released by fruits during maturation. The paper presents data confirming the correlation of the accepted organoleptic and physico-chemical methods (ethylene emission, respiration rate, hardness, dry matter content, color, aroma). assessment of the degree of maturity of avocado fruits and evaluation results. The results confirmed the presence of statistically significant correlations between the parameters of sensory signals and the physiological status of fetuses. The proposed approach makes it possible to quickly and reproducibly classify avocados according to the degree of maturity and determine the potential remaining shelf life of products, which opens up prospects for automating warehouse monitoring, optimizing sales dates and reducing economic costs during import and storage of fruit and vegetable products.)
About the Authors
N. O. Rakov
Voronezh State University of Engineering Technologies
Russian Federation
Russian Federation
109992.), assistant professor, Bakery technology, confectionery, pasta and grain processing industries department, Revolution Av., 19 Voronezh, 394036, Russia
L. G. Eliseeva
Plekhanov Russian University of Economics
, Department of Quality Industry, 36 Stremyanny Lane, Moscow, 109992, Russia
T. A. Kumchenko
Voronezh State University of Engineering Technologies
Dr. Sci. (Chem.), professor, physical and analytical chemistry department, Revolution Av., 19 Voronezh, 394036, Russia
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Review
For citations:
Rakov N.O., Eliseeva L.G., Kumchenko T.A. The use of an array of chemical sensors to monitor the degree of maturity of Hass avocado fruits. Proceedings of the Voronezh State University of Engineering Technologies. 2026;88(2):132-141. (In Russ.) https://doi.org/10.20914/2310-1202-2026-2-
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