Influence of different storage methods on the chemical composition and quality of flue-cured tobacco strips after aging

doi:10.16178/j.issn.0528-9017.20240260

Abstract

Abstract:

To investigate the impact of different storage methods on maintaining the quality of Longjiang 911 tobacco strips after aging, four treatments were established: T0 (natural storage in a conventional warehouse); T1 (oxygen-reduced controlled atmosphere storage in a conventional warehouse, O₂ concentration ≤ 2%); T2 (natural storage in a cave warehouse); T3 (oxygen-reduced controlled atmosphere storage in a cave warehouse, O₂ concentration ≤ 2%). Changes in chemical composition and quality of the Longjiang 911 tobacco strips under these storage methods were analyzed. The results indicated that over time, the pH value, total sugar, reducing sugar, total nitrogen, total alkaloids, polyphenols, and starch content of the tobacco strips in all treatments showed a fluctuating downward trend, while the iodine absorption value exhibited an increasing trend. The magnitude of change was the smallest in T3 and the largest in T0. After 24 months, the sensory quality scores of the tobacco strips decreased by 8.1, 5.3, 5.8, and 3.8 for treatments T0, T1, T2, and T3, respectively. Regarding quality preservation, the storage methodsT1, T2, and T3 were all superior to T0. Specifically, the T3 treatment resulted in the slowest decline in tobacco strips quality, better maintaining the quality of the tobacco strips and extending its usability period.

Key words: aging, quality, chemical components, tobacco strips, tobacco

CLC Number:

S572

SHEN Hongtao, BI Shan, E Zhiying, ZHU Fuguo, ZHANG Xianguang, HU Haitian, JIANG Changyu, CHEN Yu, WANG Yanfang, LIU Ling. Influence of different storage methods on the chemical composition and quality of flue-cured tobacco strips after aging[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(9): 2243-2247.

Figures/Tables 6

Fig.1 Sensory quality score in the process of tobacco quality preservation

Fig.2 Changes of pH value and iodine absorbency values in the process of tobacco quality preservation

Fig.3 Changes of total sugar and reducing sugar contents in the process of tobacco quality preservation

Fig.4 Changes of ratio of reducing sugar to total sugar in the process of tobacco quality preservation

Fig.5 Changes of total nitrogen and total alkaloid contents in the process of tobacco quality preservation

Fig.6 Changes of polyphenols and starch contents in in the process of tobacco quality preservation

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