Received 04.08.2025, Revised 17.11.2025, Accepted 26.12.2025 Published 02.01.2026
The accumulation of plastic waste, particularly from single-use food packaging, poses a significant environmental challenge, making it essential to explore alternative, sustainable packaging materials to reduce ecological impact and preserve product quality. The aim of the study was to comparatively evaluate the effectiveness of paper, biopolymer, polypropylene and experimental non-woven flax packaging in preserving the freshness of wheat and rye bread using weight loss as an indicator of moisture exchange. The paper analysed the environmental burden in Ukraine caused by the use of polymer materials in the baking industry, where packaging consumption reaches about 9 billion units annually. It has been experimentally established that polypropylene film provides the highest barrier properties, maintaining stable weight and high organoleptic indicators for 7 days. Traditional paper packaging proved to be the least effective due to high vapour permeability, leading to a loss of up to 21% of moisture and rapid staling of products. Biopolymer bags demonstrated the ability to retain moisture only for a short period (up to 3 days), after which their protective properties decrease significantly. As an environmentally safer and functional alternative, paper made from oil flax cellulose can be considered promising. Due to the dense structure of long fibres and the presence of natural antiseptic compounds (lignans), such packaging may help extend bread freshness while aligning with the principles of the circular economy. The practical value of the study lies in the scientific justification of the selection of biodegradable packaging materials based on flax cellulose for bakery products, which can be applied in the food industry to reduce plastic waste while maintaining product quality
bakery products; staling kinetics; shelf life; biodegradable materials; flax cellulose; organoleptic quality; barrier properties