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Characterization of aroma profile and microbial community of cigar tobacco leaves from different aging periods and varieties and their correlations analysis

文献类型： 外文期刊

作者： Liu, Jian 1 ; He, Zelin 3 ; Lin, Qing 4 ; Lyu, Can 3 ; Zhao, Junwei 1 ; Li, Xiang 1 ; Wang, Xueying 5 ; Xiao, Yansong 2 ; Ning, Yang 3 ;

作者机构： 1.Beijing Life Sci Acad, Beijing 102209, Peoples R China

2.Hunan Tobacco Co Chenzhou Co, Chenzhou 423001, Peoples R China

3.Chinese Acad Agr Sci, Inst Tobacco Res, Qingdao 266101, Peoples R China

4.Fujian Tobacco Co Nanping Co, Nanping 353000, Peoples R China

5.Anhui Wannan Tobacco Leaf Co Ltd, Xuancheng 242000, Peoples R China

关键词： Cigar; Microbial community; Aroma; Aging period; Variety

期刊名称：BIORESOURCES AND BIOPROCESSING （ 影响因子：5.1； 五年影响因子：5.5 ）

ISSN：

年卷期： 2025 年 12 卷 1 期

页码：

收录情况： SCI

摘要： In this study, the CTLs from Hainan, China, were used, the aroma profiles of CTLs from five years (2017-2021) and three varieties [Hainan2 (HN2), Jianheng3 (JH3), and Guyin4 (GY4)] were analyzed, and the microbial communities of these CTLs and the relation with aroma constituents were explored. Results revealed the contents of total aroma constituents (3.55-7.67 mg/kg), esters (47.4-824 mu g/kg), alcohols (123-561 mu g/kg), aldehydes (51.4-97.1 mu g/kg), and nitrogen heterocycles (1.86-4.25 mg/kg), firstly increased and subsequently declined with the increase of years, whereas ketones (1.07-3.56 mg/kg) exhibited an inverse trend. Among the different varieties, the highest aldehyde (142 mu g/kg) content was observed in JH3, while the highest total aroma constituents, acids, ketones, and nitrogen heterocycles were found in GY4, reaching 10.5, 0.604, 1.86, 6.43 mg/kg, respectively. Furthermore, the bacterial communities of CTLs from different years exhibited discernible succession with increasing years. The abundances of Staphylococcus (3.03-47.5%) and Sphingomonas (1.18-10.2%) first increased and then decreased, whereas Pseudomonas (1.63-11.5%), Ralstonia (0.669-20.2%), and Pantoea (6.07-10.5%) exhibited the opposite trend, and Aspergillus and Cladosporium with total abundances of 90.2-94.2% were predominant in all years. The dominant bacteria and fungi of CTLs from different varieties were identified as Staphylococcus (15.0-81.1%) and Aspergillus (45.6-85.0%), respectively. However, the dominant microbial abundances in JH3 were significantly lower than those in HN2 and GY4, while other microorganism abundances were increased. Partial least square-regression analysis demonstrated that Paracoccus, Staphylococcus, Aerococcus, Pantoea, Methylobacterium-Methylorubrum, and Bacillus of CTLs from different years were associated with aroma constituents.

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